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. 8384505
BMW E46 E60 E61 E63 E64 Windscreen Wipers Relay Brown 8384505
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PDC Module Mercedes W205 X253 Parking Sesnor Assist Control Module A0009004710
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6982387
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BMW 3 5 7 X5 Series E38 E39 E46 E53 Rain Light Sensor Windscreen Wiper 6904012
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BMW F30 LCI 330e G11 740e G30 530e Hybrid B48X Engine Starter Motor 8643641
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BMW X5 E53 X3 E83 M57N2 Alternator Generator Diesel Engine Power 150A 7797661
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MINI Cooper R50 R52 1.6i W10 116HP Engine ECU Control Unit DME 7539808 Manual
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 6948336
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CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional Head Unit 9258167
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BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242
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Volkswagen VW Touran 1T Alternator Main Cable Wiring Harness Loom 1K0971349EM
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BMW Mini Cooper R56 LCI R60 R61 Petrol N16 DME Engine Control Unit ECU 7615981
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VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6866330
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BMW E60 E61 LCI 520d Diesel N47 177HP Engine ECU DDE 8506199 Control Unit
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BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107
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Mini Cooper SD R55 R56 LCI N47N 90HP Engine ECU Kit DDE 8512415 CAS3 MANUAL
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Starter BMW E60 Starter Motor Bosch 7515391 0001108401
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Part no. 059903018Q
Audi SQ5 8R 3.0 TDI CGQB Diesel Engine Alternator Generator 059903018Q
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Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003
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Mercedes W910 Engine Hood Microswitch Cable Wiring Loom Harness A9079821100
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Alternator BMW E87 E90 E91 E92 Generator Valeo 150A Diesel 7797519 7799180
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High Voltage Inverter BMW i3 I01 Hybrid 120Ah Rex Electrical Machine 8488548
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Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter NAPA A6519062300
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Part no. 7542310-6
Mini Cooper S R53 W11 170HP Petrol Engine ECU Kit DME 7542310 EWS3 + Key Manual
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BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables Set 8635811
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Part no. 6R0919475C
VW Volkswagen Polo 6R PDC Parking Sensor Control Unit Module 6R0919475C
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Seat Ibiza 6J Relay Black Control Unit 7 Pin 12V 3U0941597A
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Part no. 6938109
BMW E60 E63 E90 E91 LCI Dashboard Dash Monitor Display Screen 6,5 6938109
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Part no. 7L0864643B
Batery Cover Audi Q7 4L VW Touareg 7P Porsche Cayenn 9PA Top Cap 7L0864643B
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Part no. 7805098
BMW Mini Cooper One D R55 R56 Engine Starter Motor Diesel Valeo 7805098
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Part no. 9363557
Mini F55 F56 Central Cover Information Instrument Radio 8,8" 9367675
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BMW 5 6 Series E60 E61 Driver's Side Door Airbag Control Unit Module 6948691
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BMW F20 Radio Professional CD Player Control Module 9335351
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BMW 3 5 Series E39 E46 Positive Battery Terminal Cover Cap Red 8375653
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BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6913164
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BMW F10 F11 F12 X3 F25 Battery B+ Engine Compartment Terminal Point 9185734
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BMW X3 E60 E61 E83 PDC Parking Sensor Ultrasonic Titanium Grey A36
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BMW F20 F21 F30 LCI M140i 340i Alternator Generator 180A BOSCH 8614276
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Part no. 7543083-1
BMW 1 3 5 E60 E61 E87 E90 E91 N52 WAI Alternator Generator 155A 11077N
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Part no. 7789980-2
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. 6976988
Mini R50 R53 Body Control Unit Basic Module BCM BC1RD 6976988
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BMW F10 F11 On-Board Screen Central Information Display Monitor 10,25" 9266385
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Part no. 7576297
BMW X5 E70 3.0si 272HP N52N ECU Engine Control Unit Kit DME 7576297 Automatic
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Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069000103
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Skoda Fabia 5J Dance CD Player Audio Stereo Radio Head Unit 5J0035161A
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BMW E90 E91 E92 335i 306HP Engine N54 ECU Kit DME 7575875 + CAS3 + Key Automatic
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BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8518167 Automatic
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BMW Z4 E85 2.5i Engine M54 192HP Engine ECU Kit EWS3 + 2 Keys 7527072 Manual
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Part no. 4H0907601E
Audi S3 8Y 2.0 TFSI DNFF Petrol Engine Sound Noise Actuator 4H0907601E
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Audi Q7 4L 3.0 TDI CASA Automatic Gearbox Control Module Unit ECU 09D927750KC
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Part no. A1765405905
Mercedes W176 Center Console Wiring Loom Electrical Harness A1765405905
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Part no. 5Q0937084BR
Audi TT 8S Module BCM Body Control Unit Module ECU 5Q0937084BR
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Part no. A1265420332
Relay Mercedes W124 E280 Fuse Box Light Control Relay A1265420332
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Air Bag Module Mercedes W211 Control Unit ECU Airbag Sensor A2118705885
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Mercedes W221 Front Door Control Module Unit Left N/S ECU A2218706586
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Mini Cooper R58 High PL3 SPEG H8 Fuse Distribution Box Control Unit 3456859
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Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201
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Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711534279 Key Lock
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BCM Module Mercedes W117 W176 W246 Body Control Module Unit ECU A1569003203
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual CC1112A650AC
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Ford Transit MK7 CD Player Radio Stereo Audio Head Unit 8C1T18C815AD
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VW Volkswagen Golf 6 Polo Radio Head Unit RNS 310 Media Player Unit 3C0035270
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Alternator Generator Mercedes W177 W247 M260 Petrol Engine 200A 14V A0009068206
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Audi Q7 4L Quattro Audio Sound BOSE Amplifier Stereo System Module 4L0035223D
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Audi A4 B9 A5 F5 Q5 FY A6 C8 A7 C8 Alternator Generator Valeo 04L903018A
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Part no. 7571142-2
Mini Cooper R55 R56 R57 Battery Cable Wiring Lead Power Positive 7571142
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Part no. 7610011-1
BMW Mini Cooper S R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 2 Keys 7610011 Manual
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Part no. 6987546
BMW 1 X5 Series E53 E87 Hands-free Bluetooth Charging Module MULF Unit 6987546
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Part no. 059903015P
Volkswagen Touareg Audi Q7 Water Cooled Alternator 190A 059903015P
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Part no. 9116725
BMW E81 E87 E90 MULF Hands Free Electronics Charging Module 9116725
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Part no. A2139008123
Mercedes A238 SAM Control Module Unit ECU A2139008123
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Part no. 6932273
BMW 7 Series E65 E66 Cooler Fan Unit Cooling 6932273 0130002845
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Part no. 8T0959760C
Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760C
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Engine Wiring Mercedes W204 W212 OM651 Diesel Harness Loom Cable A6511504633
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Part no. 7586933-3
BMW E90 E92 335i Petrol N54 306HP ECU Engine Unit Module DME 7586933 Automatic
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BMW Z4 Series E85 Roadster Wiring Passenger Side Door Cable Harness 6941884
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Part no. 5Q0959655AA
VW Volkswagen Golf Mk7 Front Impact Crash Air Module Sensor 5Q0959655AA
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Part no. A6421501500
Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU A6421501500 Automatic
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Part no. 9393182
BMW F25 F26 F15 F16 Audio Amplifier Harman Kardon Surround Sound System 9393182
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Mercedes W207 Seat Adjustment Motor Front Seat Actuator Unit 0390203330
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Relay Mercedes W124 Indicators Wipers Hazard Lights Relay A2018210047
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Starter Mercedes W204 W212 Diesel OM642 Starter Motor 1005831549
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Mercedes-Benz A B E W176 W212 W246 Fuel Pump Module Control Unit A0009006207
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BMW X1 Series F48 KaFAS Camera Assist Speed Limit Control 9370431
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Starter Mercedes W204 C238 W213 W447 Diesel OM654 Starter Motor A6549061500
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BMW 3 4 Series F30 F80 M3 F82 M4 Battery Cable Lead Positive Underfloor 9348763
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Mini Cabrio R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3455241
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Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8580307 CAS3 Key Automatic
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Starter Motor Ford Transit 2.2 TDCI Diesel Engine BK3T11000FA
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Exhaust Flap Control Mercedes C117 W176 W246 Actuator Drive Unit A0009061201
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BMW E87 E90 118i 318i N46 129HP ECU DME 7552176 Manual Transmission
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VW Polo 6R 1.4 CGGB 85HP Engine Control Unit ECU Kit 03C906024CN Manual
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Part no. 7573701
Mini Cooper R56 N12 1.6 120HP Petrol Engine ECU Kit DME 7573701 CAS3 + Keys
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Part no. A0045467640
Distributor Box Mercedes W204 W207 W221 Connector Block Control Unit A0045467640
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Part no. A1729000302
Mercedes R172 PDC Parking Distance Sensor Control Module Unit A1729000302
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Mercedes W203 W210 W211 Starter Motor Diesel Engine Remy A0051511301
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Audi A4 B8 Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056
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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 .