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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BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6916692
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9280616
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BMW MINI Cooper R50 W10 116HP Engine ECU Kit DME + EWS + 2 Keys 7520019 Manual
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Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459
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Ford Transit Battery Cover Fuse Box Trim Panel Lid YC15-10A687-A9W
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BMW 5 Series E60 E61 Mini R50 R53 PDC Parking Ultrasonic Sensor Rear Cool Blue
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BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 6957109
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Mini R56 LCI One 55KW N16 75HP Petrol Engine ECU Kit DME 7607685 CAS3 + Keys
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Audi S5 8T Amplifier Speaker Bang & Olufsen Control Module Unit 8T0035223AN
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Volkswagen Audi Skoda Windscreen Rain Sensor Control Unit 81A955559A
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Audi A6 C6 2.0 TFSI BPJ 170HP Engine ECU Kit 4F2910115B Ignition + Key Manual
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BMW 7 Series E65 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6962720
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Audi A4 B7 1.9 TDI Engine Control Unit Module ECU 03G906016JA Manual Gearbox
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BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9176682
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Audi A3 S3 RS3 8Y Online Service Control Module Unit 8Y0035282B
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BMW E60 E61N LCI E63 M5 M6 Control Unit For Ionic Current 7834713
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Door Module Mercedes W205 Front Right O/S Door Control Module Unit A2059000628
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BMW F45 i8 Mini F60 B38 B38X Hybrid Engine Alternator Generator 7649390
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Mercedes-Benz W204 C220CDI Diesel Engine Control Unit Module ECU A6461502072
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BMW E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9286796
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Renault Trafic Scenic 1.9 DCI Diesel Starter Motor Valeo 8200628419
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Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
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BMW 3 4 Series F30 F31 F32 Control Unit Top Rear Side View Camera 9302258
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BMW E87 E90 118i 318i N46 Wiring Loom Cable Harness Engine Gearbox
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BMW E60 E63 E90 N52 330i 530i 630i Engine Control Unit ECU DME 7553166 Automatic
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323
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Distance Radar Module Mercedes GLE W166 C292 Control Unit A0009059906
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BMW E90 ECU Body Control Module Unit Junction Box H1 PL2 JBBFE 9119491
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Mercedes W212 Display Screen Multifunction Navigation Dashboard A2129015706
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Vauxhall Opel Insignia A Diesel Glow Plug Wiring Loom Cable Wiring 55577669
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BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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Renault Master 2 G9U 754 2.5 dCi Diesel Engine Unit ECU 8200311550 Manual
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BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451701
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Mercedes-Benz C E Class W202 W210 ESP Yaw Rotation Rate Sensor A0015404517
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Mercedes CLA C117 Head Unit Sat Nav Navigation Display Screen UB2305000334
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Audi A1 8X Fuse Relay Box Electrical Control Unit Module 8X0937124
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BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022189
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BMW E60 LCI 530d X5 E70 3.0d M57N2 Engine Control Unit ECU DDE 8509035
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BMW 3 Series F30 F80 M3 Boot Trunk Lid Tailgate Wiring Loom Harness Cable Set
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BMW E65 E66 CD Audio System Controller Player MD 9125894
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BMW X3 E83 Radio Navigation System CID Control Unit CD Player 9118823
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Door Cable BMW E93 Convertible Wiring Loom Front Cables Passenger Side 6926332
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Audi A5 8T A4 B8 8K BCM Body Control Unit Module Power Supply 8K0907063B
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Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Manual
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Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6961364
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Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
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Alternator BMW F20 LCI Mini F30 F56 F60 Alternator Generator DENSO 150A
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Mercedes W204 Fuse Box Rear Relay Control Unit Module SAM A2045458601
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BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key
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Engine Starter BMW F20 M135i F30 335i F32 435i F80 M3 F82 M4 Motor Start 7631558
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Audi Q7 4L Fuse Box Relay Control Unit Module 7L0937503D
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BMW E90 E91 LCI N47N 320d ECU Kit Basic DDE Control Unit 8512047 + CAS3 + Key
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Mercedes W221 Night Vision System Camera Module Control Unit A2218705885
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BMW 5 Series E60 E61 Front Seat Backrest Adjustment Bosh 0 390 201 999
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Volkswagen Golf 5 GTI 1K 2.0 TFSI 200HP Engine Ecu Kit 1K0907115F Key Ignition
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Mini Cooper R50 R52 R53 Rear Bumper PDC Ultrasonic Sensor Cosmos Black - 303
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Mercedes-Benz ML W163 270 CDI Engine Control ECU Kit A6121533279 Key Automatic
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Peugeot 307 Display Screen Dashboard Multifunction Monitor Unit 9649090377
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Mercedes W221 S350 M272.965 272HP Engine ECU Kit A2721536979 Ignition + Key
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BMW E81 E87 LCI E90 N43 118i 318i Petrol ECU Kit DME 7595179 CAS3 + Key
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Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit 8K0907063AD
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Audi A4 B8 A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907063D
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Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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BMW E46 Audio Amplifier Hifi Harman Kardon Sound System 8380068
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Mercedes W910 OM651 Engine Alternator Generator Bosch A6519065200
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Ford Mondeo Mk4 Battery Terminal Cable Wiring Connecting 8G9T-14A280
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BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 M57N Starter Motor 2,0 KW 2344232
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BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925
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Mercedes W221 Bluetooth Module Multimedia Control Unit ECU A2168206526
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Audi TT 8N Mk1 1.8T Petrol Engine Starter Motor Assembly 0001121022 02M911023
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BMW 7 E65 E66 Rear Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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Mini R57 R58 R60 Bluetooth Combox Control Module Audio ECU Harman Becker 9248315
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Mercedes W221 Front Door Control Left N/S Module Unit ECU A2219007301
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BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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BMW MINI Cooper R55 R56 R57 R60 Engine Computer Mount Support Bracket Holder
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Mercedes ML W164 Door Module Front Right O/S Control Unit ECU A1648200485
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Audi A6 C7 Ignition Smart Key Fob Lock Remote Alarm Button Control 4G0959754K
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Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9136874
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Citroen Berlingo B9 1.6 HDI 9HT Engine Control Unit ECU EDC 9664843780 Manual
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Battery Cable BMW X5 F15 X6 F16 Positive Plus Pole Distribution Wiring 9322056
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BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9281517
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Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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Mini Cooper S R52 R53 W11 Petrol Engine ECU Kit DME 7542310 Keys EWS Manual
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Control Unit BMW F20 F21 F22 F30 F31 F32 ICM Module ECU 6879834
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Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803
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Telematics Module Mercedes W213 H243 Communication Blutooth Control A2479004415
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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 .