Lambda probes and O2 sensors
More informationAt Global Parts, we offer a wide selection of original used car parts, including lambda sensors and O2 sensors for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our lambda sensors and O2 sensors undergo quality control to ensure you receive a top-quality product.
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Condition
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Price
-5%
Part no. 7791600
BMW E60 E63 E87 E90 Lambda Probe Exhaust Oxygen Sensor 7791600
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7789219
BMW X5 E53 E60 E70 E87 E90 E91 Pressure Sensor Exhaust Sensor Unit 7789219
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7569930
BMW E81 E87 LCI E90 E91 Lambda Monitor Probe Sensor Petrol N43 7569930
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7569968
Lambda Probe Sensor BMW E87 LCI E65 E66 E81 E82 E88 E90 E91 Petrol 7569968
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7539123
Lambda Probe BMW E60 E61 E63 E65 E81 E87 E91 LCI Exhaust Sensor Black 7539123
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7558055
Exhaust Lambda Probe BMW E60 E87 E90 E91 Exhaust Sensor Wiring 7558055
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7545074
BMW 1 3 Series E81 E87 E90 E91 E92 Exhaust Lambda Monitor Sensor Probe 7545074
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7804369
Exhaust Lambda Probe BMW E60N E61N E81 E81 E87 E90 E91 N47 Oxygen Sensor 7804369
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7548961
Mini Cooper R55 R56 R57 R58 Exhaust Lambda Monitor Probe 7548961
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-15%
Part no. 7587130
Lambda Oxygen Sensor BMW E81 E87 LCI E90 E91 E92 E93 Petrol N43 NOx 7587130
Promo price
PLN 379.95
PLN 322.96
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7545075
BMW E81 E87 E90 E91 E92 Petrol N52 N52N N53 N54 Lambda Monitor Sensor 7545075
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
Part no. 7530283
Lambda Probe BMW E87 E90 E91 118i 318i Monitor Sensor Black 7530283
PLN 85.95
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7537984
BMW E60 E61 E65 E66 E87 E90 E91 Regulating Lambda Probe Petrol
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7798486
BMW E60 E61 X5 E70 X6 E71 X3 E83 E91 E92 Exhaust Temperature Sensor 7798486
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 1433940
BMW E46 E60 E61 E65 M52 M54 Lambda Probe Sensor Petrol Engine 1433940
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7518495
BMW 5 7 Series E60 E61 E65 E66 Regulating Lambda Probe M54 Petrol 7518495
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 8576316
BMW E90 LCI F10 F11 N47N Temperature Sensor Exhaust L=216MM 8576316
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7503441
BMW 3 5 7 Series E46 E60 E61 E65 Regulating Lambda Probe Petrol L=570MM 7503441
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 8631049
BMW F20 F21 F30 F31 LCI Petrol Oxygen Sensor Exhaust Lambda 8631049
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7513963
BMW E60 E61 E65 X3 E83 Z4 E85 Lambda Monitor sensor L=990MM 7513963
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-15%
Part no. 7558087
BMW E82 E88 E90 E91 E92 N54 Regulating Lambda Probe L=1200MM 7558087
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 8507790
BMW F30 F32 LCI 335dX 435dX N57Z Exhaust DPF Filter Backpressure Line Pipe
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7544654
Lambda Sensor BMW E60 E61 523i 525i Monitor Sensor L= 430MM PETROL N52 7544654
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 7791592
BMW 3 5 X3 Series E60 E83 F30 Exhaust Catalytic Converter Oxygen Sensor 7791592
Promo price
PLN 93.95
PLN 79.86
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 8570230
BMW 1 3 Series F20 F21 F30 E31 LCI Oxygen Sensor Exhaust Lambda 8570230
Promo price
PLN 56.95
PLN 54.10
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7512975
BMW X3 E46 E83 N42 N46 Regulating Lambda Probe Petrol 7512975
Promo price
PLN 142.95
PLN 135.80
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7557710
BMW E81 E82 E90 E91 E92 Temperature Sensor Exhaust 7557710
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7545243
BMW E81 E90 Sonda Monitor Lambda Sensor Probe L=470MM 7545243
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 8513997
BMW F10 F20 F22 F30 F32 Diesel B47 Bracket Sensor Holder Exhaust Probe 8513997
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-15%
Part no. 8589104
BMW F20 F21 F30 F31 LCI Diesel Oxygen Sensor Lambda L=540 8589104
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 7539125
BMW 3 5 6 Series E60 E61 E63 E90 E92 M3 LCI Petrol Lambda Probe Black 325mm
Promo price
PLN 46.95
PLN 39.91
Delivery: Aug 07
If paid before 14:00
-15%
Part no. 8509030
BMW 3 5 Series E90 LCI F10 330d 530d N57 Diesel Oxygen Sensor Lambda 8509030
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 8514929
BMW F10 F12 F30 F31 F32 N57Z Exhaust Temperature Sensor 8514929
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7595353
BMW F20 F21 F30 Mini R56 Petrol Engine Regulating Lambda Probe 7595353
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 8506995
BMW F10 F11 X5 E70 X6 E71 Temperature Sensor Exhaust M57N2 N57 8506995
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 1739847
BMW 3 7 Z3 X5 Series E36 E38 E46 E53 Sonda Monitor Lambda Sensor Probe 1739847
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 8589814
BMW E20 F21 F22 F30 LCI Exhaust Temperature Sensor 8589814
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7589121
BMW 1 3 Z4 Series F20 F21 F30 E89 Sensor Lambda Probe Petrol 7589121
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 8580408
BMW F20 F21 F30 F31 LCI Mini F56 F57 Nox Sensor Diesel 8580408
Promo price
PLN 189.95
PLN 161.46
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 8631047
BMW F20 F21 F30 F31 LCI Petrol Oxygen Sensor Exhaust Lambda 8631047
Promo price
PLN 66.95
PLN 56.91
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 7561410
BMW 1 3 5 6 7 Series E60 E65 E81 E87N E90 E91 Lambda Probe Sensor Black Petrol
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 7798472
BMW X3 E83 2.0d Exhaust Cat Converter Temperature Sensor 7798472
Promo price
PLN 123.95
PLN 105.36
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 8570234
BMW 1 2 3 Series F20 F21 F22 F30 LCI Exhaust Temperature Sensor 8570234
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 8589665
Oxygen Sensor BMW X3 G01 G30 G31 Lambda Exhaust Catalytic Converter 8589665
Promo price
PLN 56.95
PLN 54.10
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7823854
Lambda Probe Bracket BMW F10 F20 F30 N47S1 Plug Support Holder 7823854
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7512567
BMW E60 E63 E65 Sensor Sonda Lambda Exhaust Probe Black 7512567
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7539126
BMW 5 6 7 Series E60 E61 E64 E65 450MM Sensor Lambda Probe Grey Petrol 7539126
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7545244
BMW E60 E61 E63 N52 Lambda Probe Monitor Sensor L= 520MM Petrol
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 8595102
DPF Sensor BMW G20 G30 G12 B57 Diesel Particle Filter Oxygen Probe L=460 8595102
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7512973
Lambda Probe BMW E65 E66 E67 N62 N73 Petrol Oxygen Sensor Grey 325MM 7512973
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 8514730
BMW 3 5 X6 Series F10 F30 F31 E71 N57 N57N Temperature Sensor Exhaust 8514730
Promo price
PLN 94.95
PLN 90.20
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7835884
BMW 5 6 Series E60 M5 E63 E64 M6 Lambda Probe Cable Bracket 7835884
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-15%
Part no. 7599942
BMW 1 3 Series F20 F21 F30 Sonda Monitor Lambda Sensor Probe L=710MM 7599942
Promo price
PLN 85.95
PLN 73.06
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7805604
BMW F10 F11 X5 E70 LCI Exhaust Pressure Sensor Bracket Holder Mount N57S 7805604
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7805606
BMW 3 Series E90 E91 E92 F30 F31 LCI Temperature Sensor Exhaust 7805606
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7512002
BMW E60 E63 E64 E65 450MM Sensor Lambda Probe Grey Petrol 7512002
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-15%
Part no. 7848483
BMW F80 M3 F82 F83 M4 Lambda Probe Oxygen Monitor Sensor 7848483
Promo price
PLN 189.95
PLN 161.46
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 7596908
Lambda Sensor BMW X5 E70 LCI F10 F20 F30 N55 Oxygen Probe L= 520MM 7596908
Promo price
PLN 56.95
PLN 48.41
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7537995
BMW 1 Series E87 Sonda Monitor Lambda Sensor Probe L=270MM 7537995
Promo price
PLN 94.95
PLN 90.20
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7589122
BMW Z4 F20 F21 F30 E89 Petrol Oxygen Sensor Exhaust Lambda 7589122
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-15%
Part no. 8631393
Mini Cooper One F55 F56 F57 Exhaust Lambda Monitor Sensor Probe 8631393
Promo price
PLN 61.95
PLN 52.66
Free delivery: Aug 07
If paid before 14:00
-40%
Part no. 8570689
BMW F20 F21 F30 F31 LCI Diesel Oxygen Sensor Lambda L=540 8570689
Promo price
PLN 151.95
PLN 91.17
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7599942-1
BMW F20 F21 F30 Sonda Monitor Lambda Sensor Probe Petrol L=710MM 7599942
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 8043677
BMW F90 M5 F91 F92 M8 Regulating Lambda Probe Petrol Oxygen Sensor 8043677
Promo price
PLN 332.95
PLN 283.01
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 8570589
BMW 1 X1 Series F20 F21 LCI F48 Holder Bracket Lambda Probe 8570589
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7793825
BMW F10 F20 F30 E90 LCI Oxygen Sensor Exhaust Lambda Petrol 7793825
Promo price
PLN 94.95
PLN 90.20
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 7589968
BMW E90 E91 Lambda Sensor Petrol Exhaust Lambda Probe Sensor Wiring 7589968
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 8573155
BMW 1 3 Series F20 F21 F30 E31 LCI Diesel Oxygen Sensor Exhaust Lambda 8573155
Promo price
PLN 284.95
PLN 242.21
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7539137
BMW Z4 E85 E86 E89 F10 M5 F06 F12 F13 M6 Lambda Oxygen Sensor 7539137
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 8570232
BMW 1 2 3 Series E20 F21 F22 F30 LCI Exhaust Temperature Sensor 8570232
Promo price
PLN 66.95
PLN 63.60
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 8058648
BMW X3 M F97 X4 M F98 S58 Sonda Monitor Lambda Sensor Probe L=950MM 8058648
Promo price
PLN 379.95
PLN 322.96
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7555006
BMW 1 3 Series E88 E90 E91 E92 E93 Lambda Probe Cable Bracket 7555006
Promo price
PLN 47.95
PLN 45.55
Delivery: Aug 07
If paid before 14:00
-40%
Part no. 8611294
BMW 1 3 Series F20 F21 F30 LCI Petrol Oxygen Sensor Exhaust Lambda 8611294
Promo price
PLN 170.95
PLN 102.57
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 8570229-1
Mini F54 F60 BMW F40 F45 Diesel B37 Oxygen Sensor Exhaust L=850 Lambda 8570229
Promo price
PLN 93.95
PLN 79.86
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 7645875
Lambda Sensor BMW F20 F21 F30 F31 LCI Diesel Oxygen Probe Sensor L=550MM 7645875
Promo price
PLN 151.95
PLN 129.16
Free delivery: Aug 07
If paid before 14:00
-40%
Part no. 9454704
BMW F36 G20 G22 G80 G82 LCI Lambda Probe Sensor Petrol 9454704
Promo price
PLN 522.95
PLN 313.77
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 1743994
Lambda Sensor BMW Z4 E36 E46 M3 S54 Petrol Oxygen Exhaust Control Unit 1743994
Promo price
PLN 94.95
PLN 90.20
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 7787941
BMW X3 F25 Air Filter Heating Element Silencer Intake Unit 28dX 7787941 USA
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7526262
BMW F01 F10 F11 Z4 E89 Monitor Sensor Lambda Probe Petrol 7526262
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-15%
Part no. 8490145
BMW G11 G30 G31 LCI G20 G21 Diesel Exhaust Gas Temperature Sensor 8490145
Promo price
PLN 108.95
PLN 92.61
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7585924
Lambda Probe Bracket BMW E87 LCI E90 E91 E92 N43 Support Holder 7585924
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7544655
BMW E60 E60N E61 E61N E64N LCI E65 Lambda Monitor Sensor L= 380MM 7544655
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 8659971
Lambda Sensor BMW G20 G21 G30 G31 Exhaust Oxygen Sensor Cable Probe 8659971
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
Part no. 7567379
BMW E81 E82 E87 LCI E88 E90 E91 Lambda Probe Cable Bracket Mount Holder 7567379
PLN 70.95
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 7566156
Lambda Probe Bracket BMW E81 E82 E88 E90 Petrol N43 N46N Probe Mount 7566156
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 8589817
BMW F40 F48 Mini F56 Exhaust Heat Temperature Sensor Probe Diesel 8589817
Promo price
PLN 61.95
PLN 52.66
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 9454710
BMW F40 F45 X1 F48 Mini F55 F56 F57 F60 Lambda Sensor Oxygen Probe 9454710
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 8508071
BMW F10 F11 F01N F02N E70N F15 E71 F16 Exhaust Temperature Sensor 8508071
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 7540167
BMW E60 E61 E63 E64 E86 Lambda Sensore Oxygen Probe L=950mm 7540167
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 8571783
BMW G20 G21 G30 G31 G11 G12 B57 Diesel Exhaust Gas Pressure Sensor 8571783
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 7794634
BMW E60 E61 E90 E91 LCI F10 Lambda Probe Oxygen Sensor Control Unit 7794634
Promo price
PLN 46.95
PLN 39.91
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7843161
Lambda Probe Bracket BMW F10 M5 F12 M6 Manifold Sensor Support Holder 7843161
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
-5%
Part no. 1405324
BMW Z3M E36 E46 M3 Exhaust Oxygen Sensor L=750MM 1405324
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 8507629
BMW F30 F32 LCI 330d 430d N57N Exhaust Temperature Sensor 8507629
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00
-5%
Part no. 7530318
BMW Z4 Series E85 Exhaust Lambda Monitor Sensor Probe 765MM 7530318
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00
Part no. 6PP00840902
BMW E60 LCI 520d N47 Exhaust Gas Pressure Sensor 6PP00840902
PLN 104.95
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 7804758
BMW E60 E90 91 LCI E70 E71 M57N2 Exhaust Temperature Sensor 7804758
Promo price
PLN 284.95
PLN 242.21
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 8686978
Lambda Sensor BMW F70 F74 U06 U10 U12 Probe Oxygen Monitor 8686978
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 07
If paid before 14:00
-15%
Part no. 7540168
BMW E60 E63 540i 550i 650i Lambda Sensor Oxygen Exhaust Probe L=550mm 7540168
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 07
If paid before 14:00
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Original lambda sensors and O2 sensors – precise exhaust emission control
A wide selection of probes and sensors for BMW, Audi, Mercedes, MINI, Volkswagen and others
Lambda sensors and O2 sensors are essential components of the exhaust system that monitor oxygen levels in exhaust gases, supporting efficient fuel combustion and the reduction of harmful emissions. Their proper operation is necessary to meet emission standards and ensure optimal engine performance. In the Global Parts automotive store, you will find a wide selection of used car parts, including lambda sensors and O2 sensors, ideal for brands such as BMW, Audi, Mercedes, Volkswagen, Mini, and many others.
What functions do lambda sensors and O2 sensors perform?
Lambda sensors and O2 sensors perform key functions in a vehicle's exhaust system:
- Measuring oxygen levels in exhaust gases – Lambda sensors analyze the oxygen content in exhaust gases, providing data to the engine control unit.
- Regulating the air-fuel mixture – Based on sensor measurements, the engine control unit adjusts the fuel and air proportions, ensuring optimal combustion.
- Reducing exhaust emissions – Lambda sensors support the operation of the catalytic converter, helping to reduce the emission of harmful substances.
- Monitoring catalytic converter performance – Lambda sensors placed after the catalytic converter monitor its efficiency, reporting any potential faults. In practice, lambda sensors are divided into narrowband sensors (voltage changes in the range of 0.1–0.9 V) and wideband sensors (providing detailed data over a wider measurement range). Wideband O2 sensors are used in newer Audi and BMW models, among others, as they allow for more precise control of the fuel dose. These differences are important when matching parts – using the wrong sensor can result in engine performance errors.
Construction and purpose of lambda sensors and O2 sensors
Lambda sensors and O2 sensors are sensors mounted in the exhaust system, most often before and after the catalytic converter. Their task is to read the oxygen content in the exhaust gases and transmit a signal to the engine control unit. A typical component consists of a measuring part, a threaded body, a cable, and an electrical connector. Depending on the car version, the number of wires, plug type, and signal characteristics vary.
Comparison of lambda sensor and O2 sensor types
| Sensor type | Typical number of wires | Operating position | What to check before purchase |
|---|---|---|---|
| Narrowband | 1–4 | Mainly older petrol systems | OEM number, plug type, cable length, position before or after the catalytic converter |
| Wideband | 5–6 | Newer petrol engines and some diesels | Signal type, ECU compatibility, OEM part number, and interchangeable numbers |
| Diagnostic sensor after catalytic converter | Depends on version | Section after the catalytic converter | Mounting location, connector type, compatibility with exhaust system and engine version |
Why is it worth taking care of lambda sensors and O2 sensors?
Damage or wear of lambda sensors and O2 sensors can lead to problems with engine efficiency and exhaust emissions. Typical symptoms of failure include:
- Power loss and rough engine operation – A faulty lambda sensor can cause incorrect adjustment of the air-fuel mixture.
- Increased fuel consumption – Improper lambda sensor operation can lead to a richer fuel mixture, increasing fuel consumption.
- Higher exhaust emissions – Faulty lambda sensors can disrupt the operation of the catalytic converter, causing an increase in harmful emissions.
- Dashboard errors – Problems with lambda sensors are often signaled by the "check engine" light. The typical lifespan of lambda sensors is between 80,000 and 160,000 km, depending on the manufacturer and operating conditions. O2 sensors are exposed to high temperatures (up to 900°C) and contact with fuel residues, which is why replacing them at the right time is important for both ecology and driving economy. Correctly matching the sensor by VIN or model specification guarantees compatibility with the given car's exhaust system. At Global Parts, we offer used car parts, including used lambda sensors and O2 sensors that have undergone detailed quality tests.
The importance of the sensor signal for engine and exhaust system operation
The lambda sensor signal is used for real-time correction of the air-fuel mixture composition. When the reading is incorrect, the control unit may supply a mixture that is too rich or too lean, which affects engine smoothness, fuel consumption, and the effectiveness of exhaust purification. The O2 sensor works not only with the ECU but also with components such as catalytic converters or EGR valves and parts. Therefore, during diagnostics, it is worth looking at the entire system, not just a single error code stored in the control unit's memory.
How to choose the right lambda sensors and O2 sensors?
When choosing lambda sensors and O2 sensors, pay attention to several key aspects:
- Compatibility with the vehicle model – Every exhaust system has its specific technical requirements. In the Global Parts automotive store, you will find lambda sensors and O2 sensors perfectly matched to BMW, Audi, Mercedes, Volkswagen, Mini, and others.
- Type of lambda sensor – Ensure that the selected sensor matches your system (one-, two-, three-, or four-wire).
- Technical condition – Used lambda sensors and sensors should be free from mechanical and electrical damage, and their cables should be in good condition.
Selection by OEM number, connector, and mounting location
Selecting a lambda sensor involves comparing the OEM part number, fuel type, number of pins, and mounting location in the vehicle. The same make and model may have different sensor versions depending on the engine, year, emission standard, and whether the component operates before or after the catalytic converter. For parts such as a BMW E87 116i lambda sensor, it is worth comparing the manufacturer's marking, cable length, and plug version. When choosing a component like a BMW E60 530d lambda sensor, compatibility with the diesel system and the mounting position relative to diesel particulate filters is also important if the specific car version is equipped with one.
Cooperating elements and installation practice
The lambda sensor socket is a threaded point in the exhaust system where the sensor responsible for oxygen measurement is screwed in. During installation, it is necessary to check the condition of the thread, cable routing, distance from hot components, and connector compatibility with the car's wiring harness. If you are looking for a component such as an Audi A4 B8 temperature sensor, you should also compare the connector, seating location, and OEM number, as similar matching principles apply to several cooperating sensors in the exhaust system electronics. Diagnostic support can be found in our guide Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?, which discusses selection by VIN and equipment compatibility.
Why choose used lambda sensors and O2 sensors?
Used car parts, such as lambda sensors and O2 sensors, are a practical solution that allows for savings while maintaining high quality. By choosing used lambda sensors and O2 sensors, you gain:
- Lower costs – Used components are significantly cheaper than new ones but offer equally high quality.
- Ecology – Recycling car parts supports environmental protection and reduces waste.
- Wide selection – In our store, you will find lambda sensors and O2 sensors for the most popular car brands. It is worth noting that many O2 sensors in the Global Parts offer come from premium brand cars, where original parts are known for their high durability. This allows customers to count on excellent fitment for their model and full compliance with factory parameters. This makes purchasing such components an economical and technically safe solution.
How to take care of lambda sensors and O2 sensors?
To ensure lambda sensors and O2 sensors work reliably for a long time, it is worth following a few rules:
- Regularly check the condition of lambda sensors during exhaust system diagnostics, especially if the "check engine" light appears.
- Use high-quality fuel to reduce the amount of deposits and contaminants in the exhaust system.
- Replace lambda sensors according to the manufacturer's recommendations or in case of visible signs of failure.
- If replacement is necessary, at Global Parts you will find suitable used parts for the exhaust system.
FAQ
| Question | Answer |
|---|---|
| What is the construction and purpose of lambda sensors and O2 sensors? | Lambda sensors and O2 sensors are measuring elements mounted in the exhaust system, most often in the manifold, exhaust pipe, or near the catalytic converter. A typical sensor consists of a body with a thread, a measuring part, a cable, and an electrical connector. Their purpose is to read the oxygen content in exhaust gases and transmit data to the engine control unit. Depending on the version, they can operate as control or diagnostic sensors. |
| What are lambda sensors and O2 sensors used for? | Lambda sensors and O2 sensors are used to control exhaust gas composition and correct the air-fuel mixture. Thanks to them, the control unit can maintain proper combustion, reduce fuel consumption, and support the effective operation of the catalytic converter. Their operation also affects idle stability and engine response to load. Incorrect readings can cause emission errors, poorer dynamics, and problems with exhaust system diagnostics. |
| What role does the lambda sensor socket play? | The lambda sensor socket is a threaded mounting point made in an exhaust system component. It serves to stably seat the sensor in a place where exhaust flow allows for accurate oxygen content measurement. Its condition is important for connection tightness, proper tightening, and the safety of the sensor cable. A damaged thread or improper cable positioning can hinder installation and subsequent service. |
| How to choose the right lambda sensor for a specific car? | It is best to compare the OEM part number, interchangeable numbers, fuel type, and mounting location before or after the catalytic converter. It is also worth checking the plug type, number of wires, and compatibility with the engine version. If the car has several equipment variants, verification by VIN will be helpful. |
| What symptoms indicate a problem with a lambda sensor or O2 sensor? | Most often, rough engine operation, higher fuel consumption, poorer throttle response, and a "check engine" light appear. There may also be an increase in exhaust emissions and errors related to mixture correction or catalytic converter efficiency. Symptoms should be confirmed by computer diagnostics and live parameter monitoring. |
| What should be paid attention to when installing a used lambda sensor? | Before installation, you must check the condition of the thread, cable, shield, and electrical connector. It is also important to route the harness correctly away from very hot components and match the part to the specific mounting position. If necessary, it is also worth checking the cooperating exhaust system gaskets: tightness and engine efficiency. |
Summary: lambda sensors and O2 sensors at the Global Parts automotive store
Lambda sensors and O2 sensors are key exhaust system components that ensure optimal fuel combustion and control exhaust emissions. The Global Parts offer includes used components matched to many engine versions and many car models from brands such as Mercedes, Audi, BMW, and others. When choosing, it is worth comparing the OEM number, fuel type, mounting location, and compatibility with exhaust system equipment to select the right part for the specific vehicle configuration. We invite you to contact us – we are here to help! For more information and interesting facts, we also invite you to visit our automotive blog.