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 Vito W639 PDC Parking Distance Control Unit Module ECU A6394460446
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BMW X3 E83 Diesel Battery Positive Lead Red Cable Plus Pole Wire 3414880
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Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874B
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Alternator Mercedes W204 W212 Diesel Engine OM651 Valeo 180A A0009067900
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BMW X1 E84 ECU Body Control Module M PL2RR JBBFE IIIR Junction Box 9305739
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Mercedes W204 W212 Front Windscreen Rain Light Sensor Control Unit A2048708826
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Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
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Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006
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BMW E91N LCI ECU Body Control Module Junction Box H2 9247472
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BMW 3 5 Series Mini Cooper E60 E93 R55 R56 R60 IBS Negative Battery Lead
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Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0038212851
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BMW F20 F21 F30 F31 LCI 116i 118i 318i B38 Petrol Engine Starter Motor 8570849
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Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
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Audi A6 C7 Board Supply Comfort BCM Body Control Module Unit ECU 4H0907063CF
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Mercedes W211 Xenon Headlight Level Control Module A0028202426
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Mercedes W203 Diesel Engine Starter Alternator Electrical Cable A2035402206
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BMW X5 Series E70 ECU Body Control Module Junction Box High PL4 JBBFEII 9172364
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Mini Cooper One R52 Cabrio Body Control Unit Basic Module BCM 6946363
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BMW 3 5 X5 E39 E46 E53 Automatic Gearbox Basic Control Unit EGS
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Door Module Mercedes W213 C238 Front Left N/S Control Unit ECU A2139002022
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Audi Q2 GA 35 TFSI DXDB Petrol Starter Motor Manual 02M911022F
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BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9163348
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Door Module Mercedes W204 W212 Rear Right O/S Control Unit Module A2129001327
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BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 911942
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BMW E60 E61 LCI X5 E70 X6 E71 X3 F25 Rain Light Solar Sensor 9122432
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BMW 1 3 5 Series F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module
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BMW X3 F25 Antenna Aerial Diversity Amplifier Unit 868 MHZ 9276064
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BMW E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9176958
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064409913
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Part no. 3423829
Mini Clubman Cooper R55 Antenna Amplifier Diversity Signal Booster 3423829
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BMW E91 LCI ECU Footwell Light Module FRM3R Lear Led Basis 9263800
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BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business Unit 9249404
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323
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BMW E60 E61 E63 E81 E87 E90 Control Unit For Fuel Pump ECU 7203993
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BMW 5 7 Series E60 E65 Control Unit Dynamic Drive Front Axle Suspension
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BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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Adblue Module Mercedes W447 W906 Control Unit ECU A0009004213
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BMW Z4 Series E85 E86 Aerial Antenna Amplifier Module Rod
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BMW E81 E87 E90 LCI Professional Navigation Car Radio Player CIC 9273188
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9138430
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BMW E81 NSW ECU Light Module Footwell Module PL2 FRM II 6135 9197159
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BMW 1 Series E81 NSW ECU Light Module Footwell Module PL2 FRM II 9175650
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BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6862756
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9314237
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BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079010600
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BMW 1 3 X1 Series E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6969281
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Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q
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Mercedes W203 ECU Control Unit Crash Impact Sensor Module Air Module A2038207385
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Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132
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BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 6938943
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BMW 5 6 Series E60 E61 E63 M-ASK Business Navigation System Controller 6944108
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BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919
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MINI Cooper One F55 F56 F57 Rear Antenna Aerial Amplifier DAB 9270034
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BMW E90 E91 E92 Professional CCC Navigation System Controller 9159041
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BMW E91 LCI ECU LED NSW Light Module Control Unit PL2 FRM II 9204532
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Radio Head BMW F20 F21 F22 F30 F31 Unit Basic Media Navigation Headunit 9399427
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Mercedes W221 Hood Bonnet Light Solar Sensor Module Unit A2118701310
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Part no. 7557395
Mini Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Manual
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Audi A6 C7 Audio Sound System Amplifier Bose 4G0035223C
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BMW E81 E87 E90 E92 Comfort Access Passive Go Control Unit Module 6987184
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Part no. 9116264
BMW E60 E61 E63 E64 PDC Parking Control Module Unit ECU 9116264
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Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
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PDC Parking Sensor BMW F01 F10 F11 Front Rear Bumper Imperial Blau Blue A89
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Part no. 6928935
BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 6928935
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BMW X1 F40 F48 Mini F54 F60 USB Bush Dual Double Socket Plug 8711938
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BMW E81 E87 E90 E91 LCI Professional CD Radio Bluetooth 9263468
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player Control Unit 9146710
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9258164
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Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0025424419
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BMW X3 E46 E83 Navigation Computer GPS System DVD Player Unit 6971353
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BMW E90 E91 E92 Bracket CD Changer Holder Amplifier Mounting 6945072
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Mini Cooper One R50 R52 R53 Ignition Coil Pack and Leads Set 2122435
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BMW X5 E53 E60 E61 E63 E65 E70 Valvetronic VVT Control Unit Module 7532878
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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BMW F15 F16 F31 F36 Module Control Unit Trunk Lid Rear Tailgate Lift 7384722
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BMW E93 Convertible Rollover Control Controller Module Unit 9134734
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Audi A6 C6 Power Supply Module Comfort Control Unit ECU 7591534
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Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100
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BMW 1 3 Series E81 E87 E92 E93 Towing Tow Bar Trailer Hook Module Control Unit
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BMW 1 3 Series E81 E87 E90 Hands-free Electronics Charging Module MULF 6972678
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Mercedes W169 W245 Door Control Module Front Left N/S A1699000500
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Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389
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Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3455263
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BMW E88 E90 E92 Switch Cluster Steering Column Indicator Wiper Stalk
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Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
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BMW E90 LCI Footwell Light Control Module LCM LED Basis 9224595
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BMW E61 E61N LCI Antenna Amplifier Diversity 868 MHZ 9183564 6985531 6934478
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BMW E87 LCI E90 118i 318i Petrol N43 143HP ECU Control Unit DME 7599881
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Mini Cooper One R56 Alternator Generator Bosch 150A 7553009
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BMW F30 F31 Xenon Adaptive Headlight Control Unit Module Lear TMS 7316186
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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 .