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. 7230669
Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7230669
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Earth Ground Cable BMW E90 E91 E92 Negative Battery Lead Wiring 7549396
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Mercedes W639 Automatic Gearbox EGS Control Unit Transmission Module A0005458916
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Audi A6 C7 Front Lamp Headlight Control Module Unit ECU Controller 4H4907357E
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Front Apron BMW F30 F31 F32 Front Bumper PDC Wiring Cable Loom Set 9283653
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Mercedes W176 A180 CDI OM607.951 BE 109HP Engine ECU A6079002200 Manual
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BMW Z4 Series E89 ECU Body Control Module H4 Electronic Box 61359329799 9329799
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Keyless Module Mercedes W205 W213 C253 ECU Door Lock Control Unit A2229004213
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BMW E87 E90 E90N E91 E92 E93 Alternator Generator Diesel 7802471
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Mini Cooper R58 High PL3 SPEG H8 Fuse Distribution Box Control Unit 3456859
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BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608
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Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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BMW 5 6 7 E60 E63 E65 Adaptive Light Control Unit Module LM E6X 9153273
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Mercedes S205 Estate W213 W222 Towing Hitch Trailer Hook Module Unit A2139009216
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Mercedes R171 W204 W212 Starter Motor Bosch M272 Engine Petrol A0061516001
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Part no. V23134-J52-X207
Relay Black 12V V23134J52X207 V23134-J52-X207
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Part no. 6967641-2
BMW 1 3 Series 2 E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6967641
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Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705
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Engine Wiring Mercedes W169 W245 Loom Cable Harness Injector Module A6401503733
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Key Reading Module BMW E60 E87 E90 CAS 3 ECU Control Unit 6943830
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BMW Z4 E85 2.5si N52 218HP Engine ECU Control Unit DME 7561684 Manual
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Volkswagen Touareg 7L Power Supply Control Module Unit ECU 7L6937049AF
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Engine Wiring BMW F10 F11 F30 F31 X1 E84 N20 Loom Module Harness Cable 7619139
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BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Basic Module 9399431
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Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 8T0971365Q
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9258164
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Part no. 9243913
BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9243913
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Part no. 9372743
Central Gateway BMW F01 F06 F10 LCI Module ECU Control Unit 9372743
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Mercedes ML W164 Fuse Box Relay Control Unit Module A1645403272
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9317175
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Head Unit BMW F07 GT Car Infotainment Computer Sat Nav Multimedia DAB 9275510
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Starter Motor Ford Galaxy Mondeo S-Max TDCi Diesel Engine Starter 6G9N-11000-FA
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BMW F22 F23 Active Front Bumper Sensor Pedestrian Protection Unit 9196020
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Part no. 03L906018HJ-1
VW Volkswagen Sharan 7N 2.0 TDI 140HP CFFB Engine ECU Kit 03L906018HJ Key Lock
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Part no. 6814187-1
Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187
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Part no. A2115457332
Mercedes W211 PDC Parking Sensor Module Control Unit A2115457332
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BMW F11 Touring Trunk Lid Rear Reversing Camera Cable Wiring 9240351 9182930
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BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9134483
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Part no. A2038703389
Mercedes W203 W209 W639 CD 6 Disc Changer With Magazine A2038703389
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Part no. 7938190
Parking Sensor BMW F20 F21 F22 F23 F30 F34 GT PDC Module Control Unit 7938190
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Part no. A2711500620
Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711500620
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Part no. 9217853
BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9217853
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Mercedes W176 180 CDI OM607 Engine Control Unit Module ECU 237101754R Automatic
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Volkswagen Polo Mk5 6R 1.2 CGPB Engine Wiring Harness Cable 03E971612AN
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME + CAS3 + Key 7600020 Automatic
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Mini Cooper F55 F56 F60 Windscreen Rain Light Solar Sensor Control Unit 9877611
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
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Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296
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Part no. 6948729
BMW 5 Series E60 Wiring Switch Engine Hood Bonnet Cable 6948729 61126948729
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Part no. 4H0907553E
Audi A8L 4H Air Suspension Control Unit Module ECU 4H0907553E
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Part no. 9671583580
Peugeot 207 1.6 HDI Diesel Glow Plug Wiring Loom Cable Wiring 9671583580
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Part no. 9191554
Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9191554
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Part no. 9249083-1
BMW E90 LCI Footwell Light Control Module LCM LED Basis 9249083
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Part no. A2129008507
Mercedes W212 Front Fuse Box SAM Relay Control Unit Module A2129008507
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BMW X5 E70 Footwell Light Control Module Unit LEAR PL4 FRM II 9176824
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Mercedes A209 Fuse Box SAM Control Module Relay Box A2095451701
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Mercedes Vito W447 Comfort SAM Control Unit Module Fuse Box A4479001707
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Part no. 9133083-1
BMW E81 E87 E90 E91 E92 6-disc CD Changer 9133083
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Part no. 33243N
Ford Transit Custom 2.2 TDCi Diesel Starter Motor WaiGlobal 12V 33243N
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Part no. 04L907309B-1
Audi A3 8V 1.6 TDI CLHA 105HP Engine Unit ECU Kit 04L907309B Key Ignition
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BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness 3452217 3452220
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9282286
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Part no. 4E0910553L
Audi A8 4E S8 D3 Adaptive Air Suspension Control Module 4E0910553L
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BMW F30 F32 LCI 335dX 435dX N57Z Engine Wiring Cable Loom Harness 8574019
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Part no. 9664843780
Peugeot Partner 1.6 HDI 9H03 Engine Control Unit ECU EDC 9664843780 Manual
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Engine Wiring Mercedes W168 668942 Diesel Module Loom Harness Cables A6681500033
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Part no. 6827064
BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Part no. 6C1112A650AN
Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual 6C1112A650AN
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Part no. 8674260-1
BMW F46 218i B38 136HP Engine Control Unit ECU Kit DME 8674260 FEM + Key Manual
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Part no. 9176078
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9176078
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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. 8065118
Differential Lock Module BMW F13 M6 F80 M3 Rear Axle Control Unit ECU 8065118
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Part no. A2125400382
Mercedes W212 Cover Fuse Box Trim Panel Lid A2125400382
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Mercedes W213 C238 Tyre Pressure Monitor Sensor Module Unit TPMS ECU A0009002013
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Mini Cooper R50 R52 R53 Starter Motor W10 1.6 Petrol Engine 1489995
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Part no. 5B31359
BMW i4 G26 Fuse Box Front Body Control Module ECU BCM Unit 5B31359
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Part no. 9179808
BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5" 9179808
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Part no. 02E911024A
Audi A3 8V 2.0 TDI Engine Starter Motor Bosch 02E911024A
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Fuse Relay Renault Laguna Master Vauxhall Vivaro 4-Pin Fuse Unit 8200308271
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CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional Head Unit 9258167
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BMW E60 E61 PDC Parking Ultrasonic Sensor Rear Le Mans Blau Blue 381
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Mini R52 R53 Battery Cable Wiring Lead Positive Plus Pole 6942507
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Audi A4 B9 Voltage Converter Module Auxiliary Battery Unit 8W0915101A
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BMW 5 Series E60 E61 Cable Loom Driver's Door Wiring Harness 6972569 6972564
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Audi TT 8J Radio CD Player Professional Audio Concern Head Unit 9199439
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Audi A5 8T Gateway Control Module Unit ECU 8T0907468F
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BMW 1 Series E87 ECU Footwell Light Module Control Unit PL2 FRMFA 6955491
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Renault Trafic 3 BSI BSM Body EMM-T4 L3 Control Unit Module 231A08052R
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BMW F01 F02 F03 LCI F06 F10 F13 Antenna Amplifier Diversity 868 MHZ 9346806
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Part no. 9119496
BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 9119496
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Citroen Berlingo Peugeot Partner CD Player MP3 Radio Stereo Head Unit 9666968177
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Part no. 6913896-1
BMW Z4 Series E85 E86 Aerial Antenna Amplifier Module Rod
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Part no. A2711540902
Alternator Generator Mercedes W203 W209 M271 Engine Valeo 120A 14V A2711540902
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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. A2118702626
Air Module Mercedes W211 CLS C219 SRS Control Unit ECU A2118702626
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Part no. A2469067200
Fuse Box Mercedes CLA C117 X156 W176 W246 Relay Unit A2469067200
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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. 8377939
BMW X5 E39 E53 Sunroof Sliding Roof Drive Unit Motor Actuator 8377939
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Part no. A0061517201
Motor Engine Starter Mercedes R172 W204 C207 W212 M271 Petrol A0061517201
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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 .