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. E87 Wiring Loom Set PDC rear-1
BMW 1 Series E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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Audi S3 8V Front Headlight Lamp Range Control Module ECU 3Q0907338E
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Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S
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VW Volkswagen New Beetle Fan Control Module Relay 1J0919506K
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Mercedes W169 W245 CD Player Radio Audio Head Unit A1698207589
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Mercedes W205 W213 Door Module Front Left N/S Control Unit ECU A1679002718
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Mercedes W176 W242 W246 Alternator Generator Bosch M270 Petrol A0009061903
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Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Parking Control Module Unit PDC
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Head Unit BMW F10 F20 F22 F30 F32 Navigation Sat Nav DAB High 9318750
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BMW 3 Series E90 E92 E93 M3 Front Bumper PDC Loom Cables Wiring Set 9145026
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BMW 3 5 6 Series E60 M5 E64 M6 E90 E93 M3 Accelerating Sensor
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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Mercedes W176 Air Module Belt Locking System Control Unit Module ECU
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Mercedes W168 W203 W211 W218 Relay Unit 5-Pin Yellow Hella A0025421219
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BMW 5 6 Series 1 E60 E61 E63 E64 Battery Cable Holder Mounting B Base 6932006
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Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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Parking Sensor PDC BMW X5 E53 Front Cover Control Primed 8408383
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064402341
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Mercedes-Benz Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600604
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Mercedes-Benz A-Class W176 Mikrophone Roof Control Module A2468200035
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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Mini Cabrio R57 ECU Air Control Unit Module Controller 3454345
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BMW X5 E70 X6 E71 Module Control Unit Trunk LidRear Tailgate Lift 7317419
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Mini Cooper F55 F56 Dual-Clutch Transmission Gearbox Control Unit Module DCT
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Audi Q7 4L Fuse Box Relay Control Unit Module 7L0937503D
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Mercedes W204 W212 Front Windscreen Rain Light Sensor Control Unit A2048708826
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Mercedes Vito W639 Cover Fuse Box Battery Trim Panel Lid A6395450003
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Mercedes W906 Positive Battery Cable Wiring Loom Harness A9064408234
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Mercedes-Benz M-Class ML W163 Fuel Pump Bracket Holder Housing A6110920140
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Mercedes W177 Electrical Wiring Harness Starter & 3-Phase Alternator A1775406500
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BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927270
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Airbag Module BMW X1 F48 F45 F46 Air Bag Control Unit ECU 9390576
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Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
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Mini Cooper R52 Cabrio Aerial Base Roof Antenna 6929760
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Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407732
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9866978
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Mercedes C118 W177 W247 Battery Box Trim Housing Cover Support A1776204201
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BMW E81 E82 E87 LCI E88 E89 E90 E91 Radio Business CD 9210510
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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Engine Wiring Loom Cable 226334803R
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Mercedes W211 Xenon Headlight Level Control Module A0028202426
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BMW 3 Z4 Series E46 E85 E86 Cable Battery Negative
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Mini R55 R56 Radio Boost CD Player Head Unit 3448827
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BMW E87 LCI Light Module NSW LCM Footwell Module PL2 FRM II 9166707
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Mercedes W212 Fuel Pump Module Control Unit A2129000306
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Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A0001139065
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Battery Cable BMW F10 F11 X3 F25 Lead Negative IBS Wiring 9302356
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Bracket Harman Kardon BMW F30 F31 Amplifier Holder Mount Unit Module 9235506
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Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9221719
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Comfort Module Audi A6 S6 RS6 C6 4F Convienience Unit ECU 4F0910289N
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Speed Cluster Sensor BMW E87 LCI 130i E90 M3 E92 Yaw Rotary Rate Sensor 6850375
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Mercedes-Benz M-Class ML W163 Relay 4-Pin Black Hella A0025421519
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Rear Window Module Mercedes W207 C207 Coupe Control Unit ECU A2079004400
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BMW 3 X3 Series E46 E83 Fuse Distribution Box 8364530
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BMW E60 E61 Rear PDC Parking Sensor Orientblau Orient Blue 8019683
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Engine Wiring BMW F20 F21 LCI B37 Injector Loom Harness Cable Module 8571039
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BMW 1 2 SERIES F20 F20N F21 F22 UNDER CAR POSITIVE BATTERY LEAD CABLE 9230046
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BMW F20 F21 F30 F31 Mini F55 F56 F57 Fuel Pump Module Control Unit ECU 7476046
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Part no. 9813620
MINI Countryman R60 Control Unit Fuse Distribution Box SPEG High 9811672
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Part no. 8K0959795C
Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU 8K0959795C
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Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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BMW 1 3 Series E87 E90 E91 E92 Seat Control Unit Module ECU 9134662
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Mercedes A B S Class W169 W220 W245 Battery Lead Cable Negative A2205400031
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BMW F10 F11 F12 X3 F25 Battery B+ Engine Compartment Terminal Point 9185734
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BMW 7 Series E65 E66 1 Rear Bumper PDC Ultrasonic Sensor Titansilber Silver 354
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BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC 9145102
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VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282
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BMW E92 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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Bluetooth Combox BMW E81 E87 E90 E91 LCI Telematics Module 9257160
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Volkswagen VW Golf Mk6 1K Aux Socket Port Switch 5M0035724
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Starter Motor Mercedes Sprinter W906 OM651 Diesel Engine 0986021360
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Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA
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BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7599883
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BMW 5 E60 E61 Front Door Wiring Loom Harness Passenger Side 9175879
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BMW E87 Body Control Module Unit L2 ECU 6983305 61356983305
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BMW F10 F30 F31 F32 Side View Camera Front Bumper Video Surround View 9240352
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Volkswagen Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024Q
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BMW Mini Cooper R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456395
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BMW 7 Series E65 E66 6-fold CD Disc Changer Without Magazine 6923547
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Mercedes ML W163 Engine Starter Motor A0051512901
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BMW F07 F10 Alternator Generator 221A Valeo N57N N57Z Diesel Engine 8570672
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BMW E60 E61 PDC Parking Ultrasonic Sensor Rear Le Mans Blau Blue 381
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BMW F20 F21 F30 F31 F32 F33 Alternator Generator 150A N47N Diesel 8519890
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Ford Transit Connect Starter Motor Engine Actuator Diesel 1.8 2T14-11000-BA
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Mercedes Vito W447 Head Unit Radio Navigation GPS Nav Display A4479009005
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Mercedes-Benz Sprinter W906 Front Right O/S Door Wiring Loom Harness A9060005999
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BMW 5 6 Series E60 M5 E63 M6 Rear Right O/S Brake Disc Protection Plate 6754630
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Ford Mondeo Transit Relay 4-Pin Black FoMoCo Unit 6G9T-14B192-AA SET X2
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Seat Control Module BMW E60 X5 E70 ECU Seat Unit Controller 9184559
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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 .