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. A6519009302-5
Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6519009302 Key Manual
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BMW E65 E66 Sensor B-pillar Right O/S Air Module Crash Sensor 6970895
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Engine Wiring Mercedes W204 OM651 Diesel Harness Loom DDE A6511503233
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Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207226
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Mercedes W204 Front Fuse Box Relay Module Sam Control A2129005712
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Mercedes Vito W447 Head Unit Radio DAB Navigation GPS Nav Display A4479005517
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Fuse Box Mercedes Sprinter W907 Prefuse Box Module F150/1 - MFB-1 A9075406960
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Mercedes C140 Gearbox Module Transmission Basic Control Unit A0175450632
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8580307 CAS3 Key Automatic
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Mini Cooper One R50 Radio Remote Alarm Key Fob Button 433 MHz 6919270
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Wiring Mercedes W203 W209 W211 M272 Engine Wiring Module Harness A2721501433
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Mercedes W210 Petrol M112 Automatic Transmission Control Module A0245458432
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BMW E82 E88 E90 LCi Switch Cluster Cruise Control Stalk Unit 9110882
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BMW Mini Cooper R55 LCI PL3 SPEG H5 Fuse Distribution Box 3456855
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Mercedes ML W163 Body Control Module Unit BCM ECU A1635459032
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Mini Cooper One R55 R56 R57 Aerial Roof Antenna Base Unit Rod 3442107
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Mercedes W164 Central Gateway Control Unit Module A1645405662
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7527610 + EWS + Key Manual
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BMW F80 M3 F82 M4 Wheel Accelerator Sensor Cable Rear Axle Suspension 7850599
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BMW X5 E53 3.0i Engine M54 231HP ECU Kit DME 7511570 + EWS + 2 Keys Automatic
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Mercedes-Benz X156 Front Bumper Pressure Crash Impact Sensor A1569056800
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Battery Box BMW G30 G31 Positive Fuse Battery Distribution Terminal Rear 6802943
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BMW Mini Cooper One R50 Cable Wiring Loom Door Front Left N/S 6962777
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Audi A4 B7 1.9 TDI Engine Control Unit Module ECU 03G906016JA Manual Gearbox
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BMW F46 220dX B47 190HP Engine Control Unit Module ECU DDE 8589145 Automatic
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Mercedes-Benz B W245 Parktronic Parking Sensor Wiring Cable Rear PDC A1695407205
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BMW E90 E91 LCI N47N 320d 184HP Engine Control Unit ECU DDE 8510829 Automatic
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Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME 7641003 CAS3 + Key Manual
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Door Module BMW E39 Passenger Door Control Module Hella 8378766 6904242
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BMW E81 E87 E90 E91 E92 Radio CD Player Professional 9150109
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Mini Cooper R55 R56 N12 1.6 120HP Petrol ECU Kit DME CAS3 Key 7640005
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Mercedes W639 120CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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Mini Cooper S R53 W11 170HP Petrol Engine ECU Kit DME 7542310 EWS3 + Key Manual
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BMW E61 E65 Suspension Air Supply Compressor Control Unit
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Mercedes W204 W207 Centre Console Connector AUX USB Port Socket Trim A2078210411
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Automatic
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BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9210508
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BMW E53 E60 E61 E65 E66 E83 Power Steering Speed Sensor 6777435
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BMW F10 F11 F12 X3 F25 Battery B+ Engine Compartment Terminal Point 9185734
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Mini Cooper R55 R56 Petrol N12 DME Engine Control Unit ECU 7600076 Manual
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Mini R56 LCI Fuse Relay Distribution Box PL3 SPEG H4 3456905
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Mercedes-Benz C E W203 W211 Parking Sensor Wiring Loom Cable Harness Front PDC
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Ford Transit Battery Relay Module Control Unit 12V 8C1T-10B728-AC
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Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300
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Mini Cooper F54 F55 F56 F60 Radio CD Player Media Head Unit Alpine 9344044
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BMW Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM II 3452683
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Mercedes-Benz CLK W208 Front Left Right Door Interior Handle Bowden Pull Cable
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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Alternator Bracket Mount 117105124R
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BMW E90 E91 N46 120i 320i 150HP Engine ECU KIT DME 7561834 CAS2 Key Manual
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VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6866330
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Mercedes W203 Fuse Box SAM Control Unit Module Relay A2035454501
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BMW 3 Series E36 Ring Antenna Transmitter Receiver Module Unit EWS-2 8364709
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Mercedes GLA X156 Comunication Module Telematic Bluetooth Control A2229001821
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Ford Transit MK7 Battery Holder Bracket Mount Strap Clamp 6C1T10A721AB
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BMW X3 E83 Radio Navigation System CID Control Unit CD Player 6943441
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Starter Motor Ford Transit Connect 1.8 TDCI Diesel Engine Actuator 2T1411000CC
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AUDI A8 4E S8 D3 CD Changer Control Module 6 CD unit 4E0057110C
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BMW 1 2 3 F20 F21 F22 F30 F31 Radio Professional CD Bluetooth Player 9281517
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BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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Audi Q5 FY Front Windscreen Windshield Lane Assist Camera 80A907217A
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BMW E87 E90 118i 318i N46 129HP ECU DME 7552176 Manual Transmission
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Engine Wiring BMW F20 F30 LCI 118d 318d 120d 320d B47 Loom Harness Cable 8595284
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Mini R50 R52 Battery Cable Negative Wire 7522234 7519551
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Land Rover Freelander 2 Air Module Control Unit ECU 6H52-14B321-AE
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Mercedes ML W164 GL X164 Fuse Box Cover Trim Panel Cap A1645400182
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Part no. 9250455
BMW F10 Footwell Light Control Module ECU Unit FRM3 TEMIC 9250455
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Mercedes W211 CLS C219 Body Control Module BCM Temic A2115458432
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Radio Head Unit Mercedes C117 W176 W246 Navi CD Player Navigation A2469000112
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Mercedes C118 W177 W247 Battery Box Tray Trim Housing Cover A2475411000
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Mercedes S204 Module Control Unit Trunk Lid Rear Tailgate Lift A2048702826
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Volkswagen New Beetle 1.6 BFS 102HP Engine ECU Kit 06A906033DP Ignition + 2 Keys
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BMW E81 E82 E87 LCI E90 Radio Business CD Player Unit 9210510
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Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500133
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BMW X3 E83 Z4 E85 E86 Radio Business CD Player Audio Head Unit 6943437
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Mercedes CLS W219 Parking Sensor PDC Distance Control Unit Module A2195450732
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Mercedes-Benz CLK E C208 W210 Holder Bracket Engine Control Unit A2025458140
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BMW 5 6 Series E60 E61 E63 E64 6-disc Compact CD Changer 6941416
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Mercedes W906 OM651.957 Diesel Engine ECU Kit Unit A6519002600 Key Lock Manual
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Control Unit BMW F07 F10 F11 F12 F13 F25 Air Module ECU Unit Continental 9385025
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Ford Connect Diesel Engine Wiring Cable Loom Harness 7T1T9H589BD
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BMW E88 Convertible Antenna Aerial DAB Rear Trunk Tailgate 9127895
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Iveco Daily MK3 Starter Motor Engine Diesel Bosch 504086888
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Headlight Ballast Control BMW F06 F12 F13 F15 F16 LED Adaptive Module 7316210
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BMW E46 Control Unit Module Mirror Memory 6913364
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BMW E46 N42 316i 318i Petrol Engine Alternator Generator Remy 7521382
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BMW 3 E91 ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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Earth Ground Cable Mercedes Vito W447 Negative Battery Lead Wiring A4479050104
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Mercedes W204 Door Module Control Unit Module Front Left N/S A2048704326
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Blind Spot Sensor BMW F40 G20 G21 G30 G31 Radar Range Module SRR-01 Rear 7915643
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Renault Trafic Vauxhall Vivaro 2.0 DCI Diesel Alternator Generator 231001423R
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BMW X5 Series E70 Four Wheel Drive Transfer Box Control Unit Module 7606629
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Audi A5 8T Onboard Comfort Supply BCM Control Module Unit ECU 8K0907063DD
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BMW 3 5 7 X5 Series E38 E39 E46 E53 E65 Reception Antenna RDC 433MHZ 8378753
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Seat Ibiza Volkswagen Polo Mk5 6R 1.2 Petrol Alternator Generator 03D903025J
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BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS3 Key 7567178 Automatic
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Audio Amplifier Mercedes W211 CLS C219 AMP Becker Sound Module Unit A2118706689
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Fiat Doblo 2.0 Multijet Diesel Engine Starter Motor 51984359
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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 .