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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Mercedes W246 B180 CDI 651.901 109HP Engine ECU Kit A6519007600 Ignition + Key
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Audi A5 8T Front Door Control Module Right O/S Passenger Side 8T0959792Q
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7579142 CAS3 Key Automatic
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Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003702
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CAS4 Module BMW F01 F10 F11 Key Reading Control Unit 9257036
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Audi Q5 8R Rear Bumper PDC Parking Sensor Wiring Harness Loom 8R0971104CC
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511502790
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Gearbox Cable BMW F45 F46 F39 B48 Automatic Transmission Wiring Harness 8642585
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Mercedes CL W216 W221 Air Module Control Unit A2218702993
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Mercedes W205 W213 Door Module Front Left N/S Control Unit ECU A1679002718
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Sam Unit Mercedes S203 W203 Rear Module Fuse Box A2095450701
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6976154
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Airbag Module BMW F10 F12 F13 X3 F25 ECU Control Unit Air Bag 6837358
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Gateway Module Mercedes W211 Control Unit ECU A2115408545
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Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718205226
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VW Volkswagen Sharan Speaker Loudspeaker Front Door Left Right N/O/S 7N0035454A
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BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9166667
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Mini Cooper S JCW R56 N14 1.6 211HP ECU Kit DME CAS3 Key 7590857 Manual
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BMW 1 Series E87 Footwell Light Module ECU Control Unit PL2 FRM 9204536
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BMW E88 Cabrio 125i N52N 218HP ECU Kit DME CAS3 Key 7587164 Automatic
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV 6928931
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BMW E87 E90 E91 120i 320i N46 Engine Control Unit ECU DME 7565300 Manual
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BMW F10 PDC Rear View Backup Camera Control Module Unit ECU 9288002
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BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7797216
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BMW 3 5 X3 Series 3 E46 E60 E65 E83 M54 Petrol Starter Motor 2354693
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BMW X3 Series E83 Cable Loom Door Passenger Side Wiring Harness 3412570
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Audi A5 8T 3.0 TDI CCWA Diesel Alternator 059903016J
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9294300
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Audi TT 8J 2.0 TFSI CESA Petrol Engine Starter Motor 02E911023S
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Audio Speaker BMW F20 F21 F23 F30 Mid-Range Sound Speaker Stereo HiFi 9288769
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BMW E46 Control Unit Module Mirror Memory 6913364
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Mercedes W169 Fuse Box Cover Trim Panel A1695450003
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BMW F10 F11 LCI Xenon Adaptive Headlight Ballast Control Module Unit 7355073
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Mercedes W211 OM646 Battery Cable Starter Alternator Wiring Harness A2114406209
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BMW E65 E66 Control Unit Air Bag ECU Gateway Module Unit 9115360
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Mercedes W216 W221 Central Gateway Control Unit Module VST A2219006702
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BMW X5 E70 CAS3 Control Unit Key Reading Module 6943833
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BMW E87 E90 E91 E92 E93 Power Distribution Fuse Box Front
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BMW E36 E39 E46 Engine Starter Electrical Earth Cable 1724740
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Mercedes W177 W247 M260 Exhaust Control Valve Flap Actuator Drive A2229067403
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Audi A4 B7 Door Harness Loom Cable Wiring Rear Left Right N/O/S 8E0971687L
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BMW F20 F21 114i N13 102HP Engine Control Unit ECU Module DME 8610484 Manual
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Mercedes Vito W639 Earth Cable Battery Terminal Wiring A6395400431
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Engine Wiring BMW F30 F31 F32 F36 LCI 330d 430d N57N Loom Harness Cable 8514831
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BMW E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533
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Peugeot 207 1.6 HDI Diesel Glow Plug Wiring Loom Cable Wiring 9671583580
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Volkswagen Passat B7 Engine Starter Motor Actuator Starter 0AM911024A
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Volkswagen Golf 7 1.6 TDI CLHA 105HP Engine ECU Kit 04L907309B Key + Ignition
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BMW 5 6 Series E60 E60N E61 E61N E63 Terminal B Point Engine Compartment 6923945
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Mercedes W176 Radio Control Function Button Knob Controller Unit A2469009802
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Audi Q5 8R Body Control Comfort Unit Module Unit 8K0907063DG
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Mercedes-Benz S CL Class W220 C215 Fuse Box Battery Connector A0005404750
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Telematics Module BMW F10 F20 F30 Bluetooth Communications Control 2447522
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Mercedes-Benz E W210 Battery Starter Alternator Positive Plus Cable A2105401530
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Audi A1 8X Battery Terminal Fuse Socket Retainer 6C0915343A
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PDC Wiring MINI Cooper One R50 Rear Bumper Cables Loom Set
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IBS Cable BMW E60 Negative Battery Lead Wiring Harness Control Unit 9115488
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BMW 3 5 7 X5 Series E38 E39 E46 E53 E65 Reception Antenna RDC 433MHZ 8378753
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BMW E87 E90 Seat Wiring Front Sport Seat Lumbar Loom Harness Cable 6942556
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Part no. 9313933
BMW F13 Footwell Light Module Control Unit ECU FRM3 9313933
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Audi A3 8V 2.0 TDI Quattro Starter Motor Engine Diesel Bosch 02Z911024Q
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Camera Module BMW F10 F20 F12 F87 Reversing Camera Rear View Control 6994555
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Blind Spot Sensor BMW F40 G20 G21 G30 G31 Radar Range Module SRR-01 Rear 7915643
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Mercedes W169 PDC Parking Distance Control Unit Module Rear A1695450632
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BMW X5 E70 Air Suspension Supply Control Unit Module ECU 6778966
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BMW X5 F15 Camera Kafas Front Windscreen Camera 9281717
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BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Manual
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Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual
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Mercedes W164 Trunk Hatch Open Lift Module Control Unit ECU A1648701126
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CD Changer Mini Cooper R50 R52 R53 6-Disc Multichanger with Magazine 6946989
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VW Volkswagen Golf 6 1.6 TDI Diesel Engine Starter Motor 022911024A
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BMW X3 E83 2.0d M47N2 Diesel Engine Control Unit ECU DDE 7796571 Manual
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Accelerating Sensor BMW E60 E61 E63 E64 E65 E70 Control Unit Module 6752866
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Radio Boost Mini R50 R53 Dolby Cassette Tape Player Control Unit Module 6918529
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BMW X1 Series E84 Carrier Bracket Holder Control Module Unit 2990911
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BMW X5 X6 E70 E71 Dashboard Navi Monitor Sat Nav System Screen 8,8" 9166782
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BMW E60 E90 Alternator Generator 150A 335d 525d 530d 535d M57N2 7800308
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Mercedes W164 Door Module Front Right O/S Control Unit Module A1648207826
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BMW F01 LCI Seat Module Front Seat Control Module Unit Temic 9354277
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Audi A4 B7 Convertible Rear Speaker Amplifier Blaupunkt Right O/S 8H0035223E
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Mercedes SLK R172 Roadster Folding Vario Roof Control Module A1729008412
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Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426
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Mercedes W177 Ambient Lighting Control Module Unit ECU A1779002610
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BMW E91 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9267421
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Audi A6 C6 Door Window Motor Wiring Cable Loom Front Right O/S 4F0971687A
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Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU Module 03L906022NN
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Keys Manual
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BMW 1 Series E87 ECU Body Control Module Unit KL PL2RR JBBFE 61359264579 9264579
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BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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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 .