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. 6949899
BMW E65 E66 Air Module Control Unit Information ECU 6922464
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Volkswagen VW Golf IV Body Control Module BCM Comfort Control Unit 5DK008214
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BMW 3 5 Series E60 E90 330d 530d M57N2 ECU Engine Kit DDE 7801712 CAS2 + Key
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Alternator Generator Peugeot 208 308 Partner Diesel 12V 9678048880
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Battery Box Bracket Mercedes W205 W213 W238 Trim Holder Right O/S A2056200018
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BMW E39 X5 E53 3.0i M54 Alternator Generator 90A 14V Valeo 7501592
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Mercedes C205 Fuse Box Relay Control Unit Module A0035421819
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Mini Cooper One R55 R56 R57 Cable Adapter iPod Connection 0415047
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Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702751
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Mercedes W140 Parking Control Unit Module Sensor A0205457832
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BMW Z4 Series E85 Roadster Driver's Side Door Wiring Loom Cable 6933950
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FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9348361
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Mercedes GLE 250 AM Tailgate Trunk Control Module Unit A1669008512
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BMW 3 Series E93 Negative Battery Lead Cable 7599959
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BMW F45 X1 F48 i3 I01 Airbag Module Control Unit ECU Air Bag 9495910
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Audi A4 B7 Front Door Wiring Harness Loom Cable Left N/S 8E1971035DJ
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BMW F45 F48 F49 Mini Cooper F60 Earth Ground Cable 8648840
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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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Navigation Headunit BMW F20 F21 F30 F31 Mini F56 Head Unit Basic Media 9139895
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BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Automatic
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BMW 3 Series E36 Electrical Fuse Relay Box Cover Panel Trim 1387613
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Glow Plug Relay Mercedes W177 Diesel OM654 Preglow Module A6549009900
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Ford Galaxy Mondeo MK4 2.0 TDCi Alternator Bracket Mount Support 4M5Q-10239-CC
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BDC Module BMW X5 F15 Body Domain Controller BDC Unit 9355750
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BMW 3 E91 ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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BMW E60 E61 M-ASK M-Audio System Controller CD Player 9117532
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Audi A4 B8 3.0 TDI CAPA Diesel Starter Motor 059911021C
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Mercedes Vito W639 Sprinter W906 CD Audio Stereo Radio Head Unit A9068201186
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Part no. E82 Wiring Loom Set PDC rear -1
BMW 1 Series E82 Wiring Loom Set Rear Complete Harness PDC Parking Sensor
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 6970685
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Mercedes Sprinter W906 Mechatronic Automatic Gearbox Control Unit A9062700060
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Skoda Octavia 5E MMI Multimedia Interface Unit Module Control ECU 5E0035842A
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Glow Plug Wiring BMW F20 LCI F45 F48 B37 Wiring Harness Engine 8511958
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BMW 3 Series E90 ECU Body Control Module H1 PL2 JBBFE Junction Box 9131776
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Audi A4 B9 Body Gateway Module ECU Control Unit 8W0907468C
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511502790
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Reversing Camera Module BMW F10 F20 F30 Rear View Unit 9393953
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Part no. 7557395-4
Mini One R50 R52 W10 1.6 90HP Engine Control Unit ECU Module 7557395 Automatic
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Mercedes X253 Front Bumper Parking Sensor Wiring Loom Cable Harness A2535402400
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Seat Module Mercedes C238 Front Right Seat Control Unit A2139008409
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Mercedes-Benz A-Class W169 SAM Control Module Fuse Box Unit A1695454232
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Part no. 7527072-3
BMW Z4 E85 2.5i Engine M54 192HP ECU Kit DME 7527072 + EWS3 + Key Automatic
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Audi A4 B8 2.0 TDI CAGA Diesel Engine Starter Motor Bosch Unit 03L911021C
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Renault Trafic Vauxhall Vivaro Relay 4-Pin Blue Unit 252301716R
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BMW M3 F80 LCI VDC Controler Adaptive M Suspension Mode Control Module 6881597
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BMW 3 Series E46 Ultra Sonic-Module 8379938
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BMW E65 E66 Dashboard Control Display Screen 8,8" Control Unit 9130563
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Audi A5 8T 2.0 TDI CGLC Engine Unit ECU Kit 03L906018JH Key Ignition Lock
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Navigation Player Mercedes W211 W219 DVD CD Reader Control Unit A2208703589
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MINI Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Automatic
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Audi A6 C7 Front Seat Control Module Unit Right O/S 4G8959760
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Hands Free Bluetooth Module BMW E81 E87 E90 E91 Electronics MULF2 9204545
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Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718207126
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Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889
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Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802
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Mercedes C209 Door Control Module Front Left N/S A2098201926
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Mercedes Vito W447 Front Fuse Box Relay Control Unit Module A4479060117
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Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
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BMW X5 E53 Radio Stereo Screen Multi Functional Display Head 6914606
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Part no. 7515391
Starter BMW E60 Starter Motor Bosch 7515391 0001108401
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Control Unit BMW F07 F10 F11 F12 F13 F25 Air Module ECU Unit Continental 9385025
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GPS Navigation Unit BMW E38 E39 E46 X5 E53 System Computer 6920759
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Mini Cooper One R56 LCI Footwell Light Module High EKS PL3 FRM3R Lear 3456952
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Part no. 7579142-4
BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU Kit DME 7579142 CAS3 Key Manual
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Part no. 03C906016BG-1
Audi A1 8X 1.4 TSI CAXA 122HP Engine Control Unit ECU Kit 03C906016BG BCM + Key
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Part no. 9283653
Front Apron BMW F30 F31 F32 Front Bumper PDC Wiring Cable Loom Set 9283653
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Part no. 9177987
BMW E91 ECU Body Control Module H4 Electronic Box 61359177987 9177987
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Part no. 7583225-14
BMW E87 LCI E90 Petrol N43 DME Engine Control Unit 7583225 Automatic
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Part no. 7802471
BMW E87 E90 E90N E91 E92 E93 Alternator Generator Diesel 7802471
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Part no. 3455235
Mini Cooper R56 Fuse Box SPEG High DC/DC H4 3455235
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BMW 3 Series E92 LCI Headlight Inner LED Module Unit 1301328884 1307329329
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BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9395177
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BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608
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Part no. A2139009722
Mercedes W213 SAM Body ECU Control Module Unit A2139009722
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Mercedes R171 W204 W212 Starter Motor Bosch M272 Engine Petrol A0061516001
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Audi Q2 GA Air Module Control Unit 5QF959655BQ
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Mercedes W221 Seat Control Module Front Right O/S A2218707493
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Audi A3 8V 30 TDI DGTE Diesel Fuel Pump Module Control Unit ECU 3Q0906121B
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Engine Wiring Mercedes W169 W245 Loom Cable Harness Injector Module A6401503733
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Engine Wiring BMW F10 F11 F30 F31 X1 E84 N20 Loom Module Harness Cable 7619139
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BMW F20 F30 Head Unit Display Screen Sat Nav Navigation Set 033830N 10,25"
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Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 8T0971365Q
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BMW E87 LCI E90 320i N43 170HP ECU Engine Control Unit DME 7580279 Manual
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BMW 5 Series E39 Left N/S Air Box Pollen Microfilter Service Cover 8379627
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Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200
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BMW X3 Series E83 LCI 2.0d N47 Engine ECU Kit DDE 8506356 + EWS4 + Key Manual
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Starter Motor Ford Galaxy Mondeo S-Max TDCi Diesel Engine Starter 6G9N-11000-FA
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Part no. 6827072-1
Mini Cooper R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R 6827072
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Mercedes W205 Front Door Module Right O/S Control Unit ECU A1679008711
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BMW E39 E46 E53 E83 Control Unit EWS IV 9127086
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Mercedes W212 E350 CDI OM642.850 Engine Control Unit Module ECU A6429002900
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Audi A3 8P 2.0 TDI 170HP CBBB Engine ECU Unit Kit 03L906022FD Key + Ignition
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Part no. 9240351-2
BMW F11 Touring Trunk Lid Rear Reversing Camera Cable Wiring 9240351 9182930
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020
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Mercedes CL203 Antenna Amplifier Control Module Unit Aerial Booster A2038701689
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Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711500620
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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 .