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. A2539005906
Mercedes C253 Body Control Module Temic A2539005906
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Mini R55 R56 R57 Halogen Headlights Control Unit Module ECE 0420295
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Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132
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BMW Mini Cooper Convertible R57 Footwell Light Module ECU PL3 FRM II 3455701
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Mini Cooper E60 E70 E93 R55 R56 R60 IBS Negative Battery Lead
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Land Rover Range Sport L320 3.0 D Alternator Mount Support Bracket AH3210239BA
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Vauxhall Opel Astra G Display Screen Multifunction Unit Dashboard 009133265
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BMW G11 G12 G30 G31 Battery Cable Plus Pole Power Positive Wire Red 9350064
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VW Volkswagen LT 35 Immobilizer Control Unit Module Temic 2D0953257
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Roof Module BMW Z4 E85 Roadster Cabrio Convertible Folding Top 7199819
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Alarm Power Siren Horn BMW E36 E38 E39 E46 E53 E83 Alarm System Unit 8383152
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BMW F45 LCI 220i B48C 192HP Petrol Engine ECU DME 9897880 + BDC + Key Manual
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AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
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Chrysler Grand Voyager Diesel Engine 2.8 CRD Starter Motor 04868860AA
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BMW E87 E90 LCI Alternator Generator Bosch 150A Petrol Engine EAL1179
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Mini Cooper R58 R59 Dash Roof Operating Unit Light Switch 2758951
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Mini R50 R53 Body Control Unit Basic Module Controller BCM BC1RD 6934293
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BMW F20 F30 116i 316i N13 Engine ECU KIT DME 8603352 + FEM + Key Manual
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BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional CD 9177199
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Mini Cooper R55 R56 R57 Petrol N12 DME 7640005 Engine Control Unit ECU
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BMW Mini Cooper R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456395
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BMW GT G32 ECU Body Domain Controller BDC Comfort Unit Module 8715804
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Volkswagen Tiguan 5N Air Module Control Unit ECU Module 5N0959655A
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BMW E60 Light Control Module Unit Lear LM II E6X LWR LCM 9137775
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BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331
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BMW E90 Radio Professional CD Player 65126971703 6971703
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Seat Module BMW F10 F11 Front Left N/S Control Unit SM MF/M - HL 9248565
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Engine Wiring Mercedes W169 W245 Loom Cable Harness Injector Module A6401503733
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Mini Cooper One R56 High SPEG DC/DC Fuse Distribution Box H5 3455236
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Part no. A0009000104
Mercedes W176 W204 W207 Fuel Pump Module Petrol Control Unit ECU A0009000104
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Mercedes W169 A200 M266.960 136HP Engine Control Unit ECU A2661534779 Automatic
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BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 6943834
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BMW E87 E90 N45 116i Engine Control Unit DME 12147550688 7550688
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SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035453501
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Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav GPS Unit High 8780776
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Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454
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BMW F20 F21 F30 F31 PDC Parking Sensor Ultrasonic Glacier Silver A83
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BMW E60 LCI 530d X5 E70 3.0d M57N2 Engine Control Unit ECU DDE 8509035
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BMW F01 F07 F10 F11 Tyre Pressure RDC Control Unit Module 6857938
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BMW 1 3 5 7 Series E60 E61 E65 E81 E87 E90 Trailer Towing Control Module AHM 4R
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Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069006102
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BMW E60 E63 E64 530i 630i N52 258HP Engine Control Unit Module ECU DME 7546990
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BMW X3 Series E83 Rear Bumper Wiring Loom PDC Harness Towing Hitch Hook
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Mini R52 Cabrio Body Control Unit Basic Module BCM 6982115
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BMW F20 F21 F30 F31 F32 Radio Stereo Professional CD DAB Head Unit 9299268
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BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 6938943
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Antenna Amplifier BMW F40 Aeral Diversity Control Unit FM DAB Live Dash 6838609
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BMW X3 F25 ICM Control Unit Air Module SRS ECU 6851284
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Part no. A6461506378
Mercedes W906 OM646.985 109HP Engine Unit Module ECU Kit Key A6461506378
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Audi A3 8P 2.0 TDI CBBB Diesel Starter Motor 02M911024P
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Part no. 9249080-2
Footwell Module BMW E84 Light Control Unit ECU Lear FRM3R PL2 9249080
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BMW X5 E70 X6 E71 Module Control Unit Trunk LidRear Tailgate Lift 7317419
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BMW E81 E87 E90 E91 LCI Combox Telematics Module 9248179
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BMW X1 E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 Key Manual
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual AT1112A650BD
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BMW E90 Radio CD Player Professional 6975013
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CAS3 Module BMW E60 E87 E90 E91 E92 Key Reading Control Unit 9287535
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BMW E60 X3 E83 E87 E90 Unit Glow Plug Module Diesel M47N2 7786821
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Adblue Module BMW F40 SCR Control Unit ECU 9454320
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CD Changer BMW E60 E61 E63 E64 Compact 6-disc Magazine 6938975
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On Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen Display 8,8" 1138730
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Volkswagen Touareg 7L Entry Module Keyless Go Control Unit ECU 3D0909139B
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Mercedes W203 W204 W212 OM642 Glow Plug Relay Unit Control Module A6429002700
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Part no. 9249080-1
BMW E87 LCI Footwell Light Control Unit Module ECU Lear FRM3R PL2 9249080
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Part no. 2622589
Telematics Module BMW G11 G20 G30 Bluetooth Telephone Control Unit 2622589
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Part no. 9399427-1
Radio Head Unit BMW F20 F21 F22 F30 F31 Basic Media Navigation Headunit 9399427
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Part no. 7603567-1
Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357
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Part no. 7620624
Mini Cooper S R55 R56 LCI N18 Wiring Loom Harness Engine Automatic Gearbox
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Part no. 6936649-1
BMW E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936649
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Part no. 3451927-1
Mini Cooper One R55 High SPEG DC/DC H3 Fuse Distribution Box 3451927
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Part no. 7610011-3
Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME CAS3 + Key 7610011 Manual
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Part no. 03L903023A
Audi A3 8P Alternator Generator Diesel Engine Electrical Unit 03L903023A
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BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Automatic
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BMW Z4 E60 E61 E63 E85 Air Module Control Unit Module ECU 9160557
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BMW Z4 E85 E86 Basic Body Control Unit Module GM5 Star12 LOW 9116445
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BMW F20 F21 LCI M140i B58 Engine Wiring Cable Aquamist Water Methanol 8631668
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BMW F10 F11 Radio Player Alpine Audio CD Champ 2 Head Unit 9272002
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Audio Amplifier BMW F20 F21 F22 Harman/Kardon Active Sound Design System 9343317
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Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300
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BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081
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BMW F10 Champ 2 Radio CD Player Head Unit ECU 9233010
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519000700 Manual
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BMW E87 E90 E91 Professional CCC Navigation System Controller
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BMW 5 Series E39 Left N/S Air Box Pollen Microfilter Service Cover 8379627
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Audi Q7 4M Front PDC Parking Distance Sensor Mythical Black Metallic - Y9T
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CD Radio Player BMW X3 Z4 E83 E85 E86 Radio Business CD Audio Unit 9205278
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Audi A6 C7 Voltage Converter Stabilizer Control Module Unit ECU 8K0959663F
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BMW 5 Series E39 Right O/S Air Box Pollen Microfilter Service Cover 8379626
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BMW E46 X3 E83 Diesel Auxiliary Heating Electric Flow Heater 9145439
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BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 9866982
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Mini Cooper R55 R56 Petrol N12 120HP Engine Control Unit ECU DME 7589971 Manual
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BMW E92 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
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BMW E60 E61 LCI M5 E63 M6 Generator Oil Pump Cable Harness Wiring
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Part no. 9313656-1
BMW 3 Series F30 F80 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9260012
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Part no. A6395450301-1
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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BMW Mini Cooper S R55 R56 Automatic Gearbox ECU Control Unit EGS Module 7600562
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Audi A4 B8 Body Control Comfort Unit Module BCM ECU 8K0907063AH
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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 .