Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Part no. 7565300-13
BMW E87 E90 118i 318i N46 129HP ECU Control Unit Module DME 7565300 Automatic
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Part no. 1702103
Battery Terminal Cover BMW E39 Mini R50 R52 R53 Trim Base B + Positive 1702103
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Part no. 9224589
BMW 1 Series E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9224589
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Ventilation Valve BMW F90 M5 F91 M8 S63M Fuel Tank Pipe Cyl. 5-8 7852338
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BMW F01 730d N57 245HP Engine Control Unit ECU Module DDE 8516753 Automatic
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Part no. 8518167-1
BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8518167 Manual
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Part no. 6870360
BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6870360
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Part no. 9203081-1
BMW E61 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
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Part no. 9874338-1
BMW F20 F21 F22 F30 F31 Head Unit Basic Media Navigation Headunit 9399427
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Part no. 6938106
BMW E65 E66 Steering Wheel Electronics Control Unit Module ECU 6938106
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Part no. 8635811
BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables Set 8635811
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Part no. 7846409-1
BMW E90 E92 E93 M3 Engine S65 420HP ECU Control Unit Kit DME 7846409 + CAS3 Key
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Part no. 6907395
BMW X5 Series E53 Electrical Power Distribution Fuse Box 6907395
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Part no. 7794626
BMW X5 E53 3.0d M57N 218HP ECU Engine Control Unit DDE 7794626 Automatic
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Part no. 9237047-1
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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Part no. 6826790-2
BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 6826790
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Part no. 9257151-1
Telematics Module BMW F20 F30 Control Unit Bluetooth Combox ECU 9257151
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Part no. 6970895
BMW E65 E66 Sensor B-pillar Right O/S Air Module Crash Sensor 6970895
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Part no. 7542725
BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7542725
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Part no. 7803369-2
BMW E60 E90 330d 530d M57N2 ECU Engine KIT DDE 7803369 CAS3 + Key
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Part no. 7811701
BMW E87 LCI E90 E91 N47 DDE 7811701 Engine Control Unit Diesel ECU Automatic
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Part no. 9284974
BMW F10 F11 On-board Central Information Display Screen Monitor 10,25" 9284974
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Part no. 7490465-1
BMW F10 F20 F30 F31 Mini F55 F56 Front Heated Seat Control Module ECU 7490465
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Part no. 9285930
BMW F01 LCI Facelift Footwell Module Unit LED TEMIC FRM III 9285930
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Part no. 6962424
On Board Navigation BMW E60 E61 E90 E91 Display Monitor Screen 6,5" 6962424
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Part no. 7638193
BMW F20 F21 F30 F31 N13 114i 116i 118i 316i Petrol Engine Starter Motor 7638193
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Part no. 6928572
BMW Z4 Series E85 Roadster Cabrio Sensor B-pillar Airbag Right O/S 6928572
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Part no. 7841704
BMW 3 Series E90 E92 M3 Throttle Body Position Hall Sensor Unit 7841706 7841704
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Part no. 9338910
Mini Cooper F56 Wiring Driver's Loom Front Right O/S Door Cables 9338910
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Part no. 8518168-1
BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8518168 CAS3 + Key Manual
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Part no. 8510591-4
BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Automatic
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Part no. 8591073-4
BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8591073 CAS4 Key Automatic
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Part no. 7809000-3
BMW E60 E87 LCI E90 120d 320d 520d N47 ECU Kit Control Unit DDE 7809000 CAS3 Key
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Part no. 7508292
BMW 3 Series E46 318i Petrol N42 Engine ECU Control Unit DME 7508292 Manual
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Part no. 9383069
Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav High Control Module 9383069
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Part no. 9335347-1
Radio Player BMW F20 F21 F30 F31 CD DAB Head Unit Audio Player 9335347
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Part no. 9240530-1
BMW E91 LCI Footwell Light Control Module LCM LED Basis FRM3R PL2 9240530
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Part no. 6965047-1
BMW E87 E90 M-Audio System Controller Navigation Business 6965047
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Part no. 9251119
Distribution Box BMW F10 F11 Positive Battery Fuse Power Module B Rear 9251119
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Part no. 8379941
BMW X5 Series E53 Interior Roof Trim Cover Ultra Sonic Module Alarm 8379941
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Part no. 6774039
BMW 5 6 Series E60 E61 E63 E64 Power Steering Speed Sensor 6774039
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Part no. 7558220-1
BMW E82 E90 E91 E92 N54 135i 335i Alternator Generator 180A 7558220
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Part no. 3449688
BMW X3 E83 LCI Light Control Module Lear LM II LWR 3449688 61353449688
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Part no. 9230617-1
BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Right O/S 9230617
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Part no. 9311035
Navigation Head Unit BMW F10 F20 F21 F30 F31 Media Player High 9311035
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Part no. 8688838
High Voltage Inverter BMW i3 I01 Hybrid 60Ah Rex Electrical Machine Electronics
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Part no. 3420786
BMW X3 E83 Light ECU Control Module Unit Lear LM MAN.LWR 3420786
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Part no. 7537281
BMW Z4 Series E85 M54 Wiring Loom Harness Engine Ignition Module 7537281
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Part no. 9263800-1
BMW E91 LCI ECU Footwell Light Module FRM3R Lear Led Basis 9263800
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Part no. 6759599
BMW E60 E61N LCI E65 EDC-K Control Unit Moudule ECU 6759599
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Part no. 9278745
BMW E60 E81 E87 E90 E91 E92 E93 CAS3 Control Unit Key Reading Module 9278745
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Part no. 9399454
BMW X3 F25 X4 F26 Head Unit Basis Media Navigation System Controller DAB 9399454
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Part no. 7834160
BMW E60 M5 E63 E64 M6 S85 Alternator Generator 170A 7834160
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Part no. 6948335
BMW 1 X1 Series E81 E84 E87 RR1 Battery Lead Cable Negative IBS 6948335
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Part no. 9398997
Sound Amplifier BMW F80 M3 F82 M4 Hifi Audio Unit Active Sound Design 9398997
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Part no. 6874337
BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6874337
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Part no. 8383149
BMW E46 Radio Business Cassette Player Audio Control Head Unit 8383149
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Part no. 6983067
BMW E66 E67 Airbag ECU Control Unit Gateway Module 6983067
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Part no. 9172018
BMW E60 E61 E63 E85 Air Module Control Unit Module ECU ACSM 9172018
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Part no. 6796393
BMW F01 F07 F10 F12 HSR Active Steering Module Rear Axle Control Unit 6796393
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Part no. 6968034
BMW 3 Series E90 ECU Body Control Module H1 61356968034 6968034
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Part no. 9286943
BMW 5 F11 Touring Body Control Module ECU Junction Box V7 PL6 JBBFE III 9286943
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Part no. 8506951-2
BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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Part no. 8513184-3
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Manual
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Part no. 7583225-1
BMW E81 E87 LCI E90 116i 316i 1.6 N43 ECU Kit DME 7583225 CAS3 Key Manual
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Part no. 9157155
BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157155
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Part no. 7533651-1
BMW E60 E61 530i M54 231HP ECU Kit DME 7533651 + CAS2 + 2 Keys Automatic
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Part no. 8512047-3
BMW E90 E91 LCI N47N 320d ECU Kit Basic DDE Control Unit 8512047 + CAS3 + Key
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Part no. 9230450-2
BMW E93 LCI Footwell Light Control Unit Module Lear FRM3R PL2 9230450
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Part no. 6840399-1
Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation GPS 6840399
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Part no. 7567178-3
BMW E60 E90 523i 323i Petrol N52 177HP ECU Kit DME 7567178 CAS3 + Key Automatic
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Part no. 9218330
BMW E81 E87 E90 LCI E92 Navigation System Car Computer CIC 9218330
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Part no. 9116445
BMW Z4 E85 E86 Basic Body Control Unit Module GM5 Star12 LOW 9116445
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Part no. 8663284-1
BMW F20 F30 F31 LCI 118i 318i B38 ECU Basic DME Control Unit 8663284 Manual
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Part no. 8506566-5
BMW E90 E91 LCI 320d ed N47N 163HP Engine ECU Kit DDE 8506566 CAS3 Key Manual
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Part no. 6962671
BMW 1 3 SERIES E82 E88 E90 LCi Switch Cluster Cruise control Stalk Unit 6962671
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Part no. 9313996
BMW F10 LCI Central Looking Control Module Unit ECU 9313996
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Part no. 6851284
BMW X3 F25 ICM Control Unit Air Module SRS ECU 6851284
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Part no. 6953044
BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6953044
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Part no. 9352130
BMW F33 Driver Side Seat Wiring Loom Electric Harness 9352158
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Part no. 9193753-1
BMW E81 E87 LCI Board Monitor Central Information Display 6,5" 9193753
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Part no. 9283247-1
BMW X1 E84 Radio Stereo CD Player Navigation Nav Head Unit 9283247
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Part no. 7543083-1
BMW 1 3 5 E60 E61 E87 E90 E91 N52 WAI Alternator Generator 155A 11077N
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Part no. 6983304
BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 6983304
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Part no. 9229880-1
BMW Z4 E89 Body Control Module H3 Junction Box ECU 9229880
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Part no. 7811999-2
BMW X3 E83 LCI 2.0d N47 177HP Diesel ECU Kit DDE 7811999 + EWS4 + Key Manual
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Part no. 8509036-3
BMW X5 E70 30sd M57N2 286HP Engine ECU Unit DDE 8509036 Automatic
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Part no. 9282119
BMW F10 CAS 4 Car Access System Control Module Unit ECU CAS4 CG+ELV 9282119
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Part no. 9166706
BMW 1 Series E87N LCI Light Module LOW LCM Footwell Module PL2 FRM II 9166706
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Part no. 7577968-2
BMW E60 E90 N52 325i 525i ECU Kit Control Unit DME 7577968 CAS2 Key Automatic
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Part no. 6943437-2
BMW X3 E83 Z4 E85 E86 Radio Business CD Player Audio Head Unit 6943437
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Part no. 7579142-2
BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Manual
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Part no. 8510832-1
BMW E90 E91 LCI 318d Engine N47N 143HP ECU Kit DDE 8510832 CAS3 Key Automatic
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Part no. 6876227
BMW F32 Tyre Pressure RDC Control Unit Module ECU 6876227
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Part no. 9185524
BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9214925
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Part no. 6945146
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945146
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Part no. 9225707
On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
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Part no. 8513242-3
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS4 Key
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Part no. 7561834-8
BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Keys Manual
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Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .