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. 9360344
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9360344
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Audi S8 D3 Digital Radio DAB Tuner Receiver Module Kenwood 4E0035583C
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BMW E90 E91 E92 N52 N52N Engine Starter Motor Valeo 7616500
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Mini Cooper R60 Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456987
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BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 90847906
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BMW F20 F21 F30 F31 F32 Radio Professional CD DAB Head Unit 9299268
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BMW F06 F12 F25 Wireless Charger Centre Console Phone Charging Module 6826897
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BMW 3 5 7 X5 E39 E46 E53 E65 GPS Receiver Control Unit Module Japan 6905921
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VW Volkswagen Audi Seat Skoda Relay Black 5 Pins 12V 50A Set 433 3D0951253A
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On-Board Screen BMW F45 F46 Central Information Display Monitor 6,5" 9317941
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BMW E90 Light Control Footwell Module ECU MAX Brose FRM3R PL2 Lear 9390491
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Mercedes W212 E63 AMG Drive Unit Extended Control Module ECU A0009009903
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Part no. 7648190-1
Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Key 7648190 Manual
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Part no. 1K0959433AJ
Volkswagen Golf Mk5 V Body Control Comfort Unit Module 1K0959433AJ
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Part no. 6987997-1
BMW 1 Series E90 Footwell Light Control Module (LCM) NSW 6987997
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Part no. 8386932
BMW E46 Inclination Indicator Alarm Tilt Sensor Control Module 8386932
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SAM Module Mercedes W211 C219 Front Body Comfort Control Unit ECU A2115456532
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BMW 5 6 Series E60 E61 E63 E64 Power Steering Speed Sensor 6774039
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Ford B-Max Mk1 Air Module ECU Module Control Unit AV1T-14B321-CE
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Mercedes W140 Seat Heated Heating Control Unit Module ECU A1408201526
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BMW F10 F11 F01 Control Unit Module ECU Fuel Pump 7276384
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Part no. A2139008123
Mercedes A238 SAM Control Module Unit ECU A2139008123
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Part no. 7806779-1
MINI Cooper One D R55 R56 Alternator Generator Diesel 150A 7794970
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Part no. 8512499-2
BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Key
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Peugeot 207 CD Player Radio Stereo Head Unit 96643697XT00
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Part no. 9192124
BMW Z4 E89 Power Distribution Box Control Unit Module With Fuse 9192124
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Chrysler Grand Voyager 2.8CRD Diesel 163HP Engine Unit ECU P04727770AC Automatic
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Part no. 02M911024R
Seat Ibiza 6J Starter Motor Petrol Engine Electrical Unit Actuator 02M911024R
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Part no. 9675878480
Fuse Box Citroen Berlingo Peugeot Partner BSM Control Unit Module 9675878480
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Part no. 9263459
BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD Player 9263459
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Part no. 2754325
Mini Cooper R55 R56 Wiring Cable Seat Heating Seat Occupancy Set 2754325
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Part no. 7553735
Mini Cooper R50 R52 DME Petrol Engine Control Unit ECU 7553735 Automatic
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Part no. 9257036
CAS4 Module BMW F01 F10 F11 Key Reading Control Unit 9257036
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Part no. 8579478
BMW F20 F30 F32 120dX 320dX 420dX Diesel N47N 184HP ECU Unit DDE 8579478 Manual
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Part no. 7L6937049N
Volkswagen Touareg 7L Onboard Supply Comfort Unit Module Unit ECU 7L6937049M
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Part no. 9H22-10E889-AA
Land Rover Discovery 3 L319 Sat Nav Radio Display Screen Unit 9H22-10E889-AA
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Part no. 7801124
BMW X5 E70 Alternator Generator Engine Unit Valeo 220A 14V 7801124
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Part no. 8W0035502B
Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502B
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Part no. 04C903023M
Audi A3 8V A1 S1 8X VW Jetta A6 Golf 5G Golf R 5G Petrol Alternator 04C903023M
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Part no. 6928267
BMW E65 E66 E67 Gateway Sensor Air Module Control Unit 6928267
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Part no. 070911023C
Volkswagen Touareg Diesel Engine Starter Motor Actuator Starter 070911023C
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Part no. 6784961
BMW E81E88 E90 E92 Speed Sensor Yaw Rotary Rate Sensor Adaptive Steering 6784961
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BMW 5 6 Series E60 E61 E63 6-disc Compact CD Changer Without Magazine 6986081
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Part no. 9140177-1
Mini Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
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Part no. A0045452905
Mercedes Relay Fuse Unit Module 4 Pins Grey A0045452905
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Mercedes Vito W639 Suspension Level Control Unit Module ECU A6394460317
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Part no. 8631668-Aquamist
BMW F20 F21 LCI M140i B58 Engine Wiring Cable Aquamist Water Methanol 8631668
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BMW E87 E90 116i 316i Petrol Engine N45 ECU Kit DME 7557809 + CAS2 + Key Manual
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Mini F56 Active Sound Design Radio Audio Amplifer Control Unit Module 9366112
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Part no. 8510221-10
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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VW Polo Mk6 Seat Ibiza Mk5 KJ1 Battery Negative Cable Earth Wiring 2Q0971537AB
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Part no. 8610635-1
BMW F20 F30 F32 120i 320i 420i N20 184HP ECU Kit DME 8610635 + Key + FEM Manual
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Part no. 04L907309L
Audi A4 B9 2.0 TDI DETA Quattro Engine Control Unit ECU 04L907309L Automatic
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Audi Q7 4L 3.0 TDI BUG 233HP Quattro Engine ECU Kit 4L0910401M Lock + Key
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Part no. 7557395-20
Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 + EWS + Key
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Part no. 8519663-6
Mini Cooper D R56 LCI N47N Diesel Engine ECU Kit DDE 8519663 CAS3 Keys Manual
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Part no. A2229002921
Mercedes W205 W213 Head Unit Navigation Radio DAB High Control Unit A2229002921
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Porsche Cayenne 9PA Body Gateway Module ECU Control Unit 7L5907530D
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Part no. 7796819-1
Engine Wiring BMW X5 E53 3.0d M57N Loom Cable Harness Injector Module 7796819
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Part no. 7520019-11
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Part no. K1BT-18B955-FD-1
Ford Transit Custom Mk8 Dashboard Display Screen Touchscreen K1BT-18B955-FD
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Radar Unit Mercedes W176 W205 W246 GLC C253 Front Bumper Sensor A0009058104
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Mercedes W246 B180 CDI 651.901 109HP Engine ECU Kit A6519007600 Ignition + Key
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Part no. 8H0035225R
Audi A4 B7 Aerial Antenna Amplifier Module 8H0035225R
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Part no. 04L903018A
Audi A4 B9 A5 F5 Q5 FY A6 C8 A7 C8 Alternator Generator Valeo 04L903018A
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Part no. 8506374-4
BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Automatic
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Part no. A2829062400
Starter Mercedes W177 M282 Petrol Engine Starter Motor A2829062400
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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. 4H0035670T
Audi A8 D4 Reader Radio CD System Audio MMI Multimedia Head Unit 4H0035670T
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Part no. A2115456701
Mercedes C219 Fuse Box Rear Relay Control Unit Module A2115456701
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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. 8P0907530B
Audi A3 8P Gateway Control Unit Module ECU 8P0907530B
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Part no. 6945661-1
Navigation Monitor Screen BMW E60 E90 On-board Information Display 6,5" 6945661
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Part no. 6921593-1
BMW MINI Cooper One R50 R53 1 Wave Radio Cassette Headunit Tape Player 6921593
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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. A1569003303
Mercedes X156 GLE W166 Surround View Camera Control Unit Module A1569003303
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Part no. 06E903016S
Audi A4 B8 3.2 FSI Alternator Generator 06E903016S
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Part no. 9390483
BMW 1 E87 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9390483
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Part no. 6944844
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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Mercedes W207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
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Audi Seat Skoda Volkswagen Gateway Control Unit Module ECU 3Q0907530AA
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Part no. A2115457301
Mercedes C219 Front Fuse Box SAM Relay Control Module A2115457301
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Mercedes W213 C238 C257 Parking Brake Actuator Motor A0009061004
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Part no. 6948351
BMW E60 M-Audio System Controller Navigation Head Unit 6948351
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Land Rover Discovery L550 Cover Fuse Box Battery Trim Panel FK72-5162-A
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Volkswagen Golf Mk5 1K Module BCM Body Control Unit Module ECU 3C0937049AE
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BMW 1 2 3 4 5 F10 F20 F22 F30 F32 Navigation Sat Nav DAB Head Unit High 9327318
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Part no. 9286796
BMW E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9286796
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BMW 5 7 Series E60 E61 E65 E66 Front Driver Seat Angle Adjustment Drive 7075948
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Part no. 7565300-2
BMW Z4 E85 2.0i N46 150HP ECU Control Unit Module Kit DME 7565300 EWS Key Manual
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Part no. 8361584
BMW 5 Series E39 6-disc CD Changer Without Magazine 8361584
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Part no. 8T2035186P-1
Audi A4 B8 Radio Media Player Audio CD Head Unit Player Concert 8T2035186P
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Part no. 4L0910401T
Audi Q7 4L 3.0 TDI BUG 233HP Engine Contol Unit ECU 4L0910401T Automatic
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Part no. 7576921
Mini Cooper R55 R56 R57 Mitsubishi Engine Alternator Generator Petrol 7576921
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Part no. 9226711
BMW E60 E87 E90 E91 Hands Free Electronics Charging MULF2 Module 9226711
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Part no. 7565300-18
BMW Z4 E85 2.0 N46 150HP Engine Module ECU Kit DME 7565300 + EWS + Key Manual
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Part no. A1685453340
Mercedes-Benz A-Class W168 Fuse Box Unit Holder Bracket Frame A1685453340
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Part no. 9263800
BMW E90 LCI ECU Footwell Light Module FRM3R Rear Led Basis 9263800
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Part no. 8518424-3
BMW F20 F30 116d 316d N47N 116HP Engine ECU Kit DDE 8518424 + FEM + Key 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 .