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. 9217912
BMW E82 E90 LCI Trunk Shelf Left Right Speaker Tweeter Harman Kardon 9217912
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BMW 3 Series E91 E91N LCI Antenna Amplifier Diversity Unit 868 MHZ 6934846
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Mercedes W164 Fuse Box Relay Module Unit A1645403472
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Reversing Camera ECU BMW F07 F25 Rear View Camera Control Unit Module 9302257
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BMW 1 3 X1 Series E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6969281
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£Mercedes W212 E220CDI OM651 Diesel Engine Control Unit Module ECU A6519005301
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Xenon Light Module BMW E60 E61 E63 E66 Headlight Control Module Unit ECU 6924560
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Mini Cooper D R55 R56 R60 N47N 112HP Diesel Engine ECU DDE 8519663 Automatic
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BMW 5 Series E60 E60N E61 LCI Battery Cable Lead Positive Underfloor 6927704
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Skoda Octavia 5E Front Lamp Headlight Range Control Module Unit ECU 7P6907357A
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BMW X5 E53 M54 3.0i 231HP Engine ECU Kit DME 7551615 EWS4 + Key Automatic
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Ford Transit Connect Dash Display Screen Multifunction Head Unit EM5T18B955BD
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Vauxhall Movano A Renault Traffic II Gateway Comfort Control Module 8200814470
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Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901
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Ford Transit Mk8 Starter Positive Plus Wiring Loom Harness KK3T-14A120-BD
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BMW Mini Cooper One R56 High PL3 SPEG H2 Fuse Distribution Box 3451926
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BMW G30 G31 LCI High Voltage Battery Cable Wiring Harness Loom SLE - EME 6823573
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BMW E60 E61 E90 E91 330d 530d M57N2 231HP Engine ECU KIT DDE 7799856 CAS2 + Key
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Mercedes W211 Alternator Generator A0121549802
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BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7573863 CAS3 Key Automatic
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BMW E90 330d M57N2 231HP Engine Control Unit Module ECU DDE 7810950 Automatic
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BMW i3 I01 Door Wiring Front Left N/S Door Cable Harness Wiring 9349898 9349204
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BMW E91 LCI Control Unit Module Support Plate Bracket Carrier Holder 7220891
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Mini Cooper One R55 R56 LCI Aerial Base Roof Antenna Rod Unit 3456089
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Part no. 8655106-2
Mini Cooper F56 B38 1.5 136HP Petrol Engine ECU Kit DME 8655106 BDC + Key Manual
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Mini Cooper D R56 LCI N47N Diesel Engine ECU Kit DDE 8519663 CAS3 Keys Manual
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Part no. GS 80Ah Accumulator
GS Accumulator Battery AGM Start Stop Plus 80Ah 800A 12V AGM115
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Part no. A4479009509
Mercedes W447 114CDI SAM Comfort Control Unit Module Box ECU A4479009509
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BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 9389856
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BMW F30 F80 M3 Rear Third Stoplamp Stop Lamp Brake Cover Trim 7259877
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Part no. 4G0035192H
Audi A6 C7 Multimedia Radio CD Player Head Unit 4G0035192H
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BMW 5 Series E60 Body Gateway Module KGM HIGH LEAR 6985364 61356985364
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Radio CD Player VW Volkswagen Golf Polo Passat B6 Head Unit RCD310 5M0035186AA
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BMW Z4 E89 20i N20 184HP ECU Engine Unit Kit DME 8643741 CAS3 + Key Automatic
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Part no. 8699955
Engine Control Unit BMW F20 F21 F22 118i 218i B38 136HP ECU DME 8699955 Manual
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Part no. BMW-CAN
BMW E81 E87 CAN-Bus Interface Steering Multistalk Adaptor Control Unit Module
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Part no. 5Q0906121D
Audi Q3 8U 2.0 TDI CFGC Fuel Sender Pump Control Module Unit ECU 5Q0906121D
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Part no. A2038200526
Mercedes-Benz C-Class W203 Front Left Door N/S Control Module A2038200526
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Mercedes-Benz A B W176 W246 Left Right Seat Wiring Loom Harness A2465405901
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Mercedes-Benz C M Class W163 W203 ESP Yaw Rotation Rate Sensor A0025427218
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Part no. 6977679
BMW X5 X6 3 4 Series E70 F15 F16 F30 F31 F32 Cigarette Lighter Socket 6977679
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Part no. 8C1112A650CC
Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit Module ECU 8C1112A650CC
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Part no. 7168897
Mini R53 Cooper S Checkmate Rear Side Window Decals Plates Set 7168897
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Vauxhall SD Card Road Map Navigation Europe 7612109322
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BMW F13 Footwell Light Module Control Unit ECU FRM3 9273630
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Audi S6 C6 Dashboard Light Sun Solar Sensor Unit 4F0907539
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BMW 5 X3 Series E39 E60 E61 E83 PDC Ultrasonic Parking Sensor Black 4687921
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BMW 3 Series E90 E90N E91 E91N E92 E92N Bracket CD-changer holder in boot 694507
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BMW E81 E87 LCI E90 116i 316i 1.6 N43 ECU Kit DME 7583225 CAS3 Key Manual
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BMW 3 Series E90 ECU Body Control Module H1 PL2 JBBFE Junction Box 6971958
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Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Part no. A0195455632
Mercedes W202 C208 W210 Fuse Box SAM Relay Control Unit Module A0195455632
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Part no. 6860385
Control Unit BMW F01 F02 F07 Air Suspension Control Module ECU 6860385
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Part no. 7794650-2
BMW E60 E61 530d Diesel M57N 218HP ECU Control Kit DDE 7794650 CAS2 Key Manual
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9229872
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Part no. 7823706
Mini Cooper R55 R56 R57 LCI Engine Wiring Harness Loom DDE 7823706
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Lights Module BMW E90 E91 E92 E93 Footwell Control Module 9263802
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Door Module Mercedes W212 Front Right Control Unit Module A2129004718
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BMW Z4 Series E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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Head Unit Mercedes GLE C292 Radio CD Player Navigation Media A1669003722
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Mercedes W212 W221 Blind Spot Radar Sensor Rear Left Right N/O/S A0009062000
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129008404
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Part no. 9312759
BMW F80 M3 F82 F83 M4 Li-ion 12V Accumulator Battery 69Ah 770A 9312759
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BMW E46 M3 343HP Engine S54 Control Unit Module ECU DME Manual 7833284
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VW Golf Mk7 Skoda Octavia Mk3 Front Windscreen Rain Sensor Unit 5Q0955547B
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Part no. 1K0937125D
Audi A3 8P Engine Bay Fuse Box 1K0937125D
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Audi A4 B9 LED Module Light Unit Wiring Harness Right Rear O/S 8W0947355M
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Part no. A9069005504
Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
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Part no. 5Q0803219C
Battery Clamp VW Golf 8 CD1 Audi A3 8Y Battery Base Bracket Holder 5Q0803219C
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Part no. 3C0937125A
Volkswagen Tiguan 5N Engine Bay Fuse Relay Box Terminal 3C0937125A
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Part no. 8K0907801C
Audi A5 8T Parking Brake Handbrake Module Control Unit 8K0907801C
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Part no. 8K0955557B
Audi A5 8T Crash Impact Sensor Unit Module Air Unit 8K0955557B
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Part no. A9069000103
Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069000103
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Part no. 7805288-2
BMW E60 LCI E90 E91 325d 525d M57N2 ECU Engine Control Unit DDE 7805288 Manual
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Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T14A073BG
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BMW 5 Series E60 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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Mercedes W204 C180 M271.820 156HP Engine ECU Kit A2711500391 Key Lock Automatic
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BMW F32 420d B47 Diesel 190HP Engine ECU DDE Kit FEM + Key 8591073 Automatic
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Mercedes-Benz C-Class W203 Front Right Door O/S Control Module A2038200626
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Part no. 7542934
BMW 5 6 7 Series E60 E61 E65 N62N Petrol Alternator Generator 180A 7542934
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Part no. 7600076-3
Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600076 CAS3 Key Manual
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Alternator Ford Focus MK3 Fiesta MK6 1.6 TDCi Engine Generator AV6N-10300-GC
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Part no. 7811151-2
BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Kit DDE 7811151 CAS3 Key
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BMW 1 3 5 E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
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Fuel Pump Module Mercedes W205 W222 W238 Control Unit ECU A0009007813
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BMW X3 E83 Transmission DXC Transfer Box Wiring Cable Loom Harness 3414473
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Mercedes W204 Battery Clamp Fuse Protection Switch A2075400250
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BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022189
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120
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Radio Professional BMW E81 E87 E90 E91 E92 Autoradio CD Player 9205962
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BMW G30 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 9304007
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Part no. 7595179-1
BMW E81 E87 LCI E90 N43 120i 320i 1.6 Petrol ECU Kit DME 7595179 CAS3 Key
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Part no. 4K4907117L
Audi Q7 4M Camera Module Drive Support Lane Assist Control Unit 4K4907117L
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Mercedes V177 W247 Windshield Camera Driver Assists Front Camera A2479004411
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Part no. 9221109-1
BMW E61 LCI Body Gateway Module Unit KGM E6X High 28 D-Can Lear 9221109
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Part no. 9230454
BMW 1 Series E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9230454
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Part no. 3455436
Mini Cooper One R55 R55N LCI High PL SPEG H4 Fuse Distribution Box 3455436
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Part no. A2129009705-1
Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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Part no. 9286796
BMW E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9286796
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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 .