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. 8515900-1
Engine Starter Motor BMW X5 E70 LCI F01 N57 Diesel Starter Actuator 8515900
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Volkswagen Golf Sportsvan Fuse Box Engine Compartment Relay Unit 5Q0937125B
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Audi A3 8P Body Control Module Unit 8P0907063G
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Mercedes ML GLC W164 X164 W204 Additional Backup Battery 12V 1.2Ah N000000004039
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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046800931
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BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Unit DDE 7811151 Manual
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Mini Cooper F54 F55 F56 F60 Radio CD Player Media Head Unit Alpine 9344044
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BMW G30 F90 M5 Antenna Aerial Diversity Amplifier Unit 8703399
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Audi A5 8T Front Door Control Module Right O/S Passenger Side 8T0959792Q
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BMW E87 E90 118i 318i N46 129HP Engine Control Unit ECU Kit DME 7552176 CAS2 Key
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BMW X3 F25 ICM Control Unit Air Module SRS Airmodule ECU 6853992
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Gateway Module Audi A3 8P Volkswagen Golf Mk6 Control Unit ECU 1K0907530AF
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BMW X3 E83 Light ECU Control Module Unit Lear LM MAN.LWR 3420786
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Peugeot 207 Airbag Module ECU Control Unit Air Bag 9663593480
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Audi A6 C6 Front Seat Control Memory Module Front Left N/S 4F0959760
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Engine Module Wiring BMW F07 GT F10 F11 Diesel N57N Injectors Harness 7823755
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BMW 1 Series E87 LCI ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9227184
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Mercedes SLK R171 Rain Sensor Front Windscreen Light A1718204026
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BMW 7 Series E65 E66 E67 Telephone Navigation Adapter 6938360
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Suspension Module BMW F82 Rear Axle Dynamic Suspension Control Module 6895714
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Alternator Mercedes W203 Diesel OM648 OM646 Engine ALternator 200A A0131540002
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Mercedes S212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129001606
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BMW 3 5 7 Series F30 LCI 330e G11 G30 Fuel Pump Control Unit Module 7439743
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Mercedes X117 CLA 250 270.920 4-Matic Engine Control Unit Module A2709002100
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BMW 1 3 X1 X3 E83 E84 E87 E90 E91 N45 N46 Petrol Enigne Starter Motor 1,1 kW
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Seat Ibiza Fuse Box Relay Carrier Holder Bracket Mount Tray 6R0915345E
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Mercedes W221 S500 Audio Amplifier Sound System Control Module A2218205289
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BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 6928935
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BMW F20 F30 120d 320d 184HP Engine Control Unit N47N ECU DDE 8574093 Manual
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Mercedes W447 114CDI SAM Comfort Control Unit Module Box ECU A4479009509
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BMW X5 E53 3.0d M57N Wiring Loom Harness Engine Automatic Gearbox
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BMW 3 X3 X5 E70 E91 E83 1 Sunroof Sliding Roof Drive Unit Motor Actuator 6922652
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Mercedes W204 Door Module Control Unit Module Front Left N/S A2048704326
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Mercedes ML W163 SRS Control Module Sensor Unit Temic A1635422218
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Part no. 9149656
Bluetooth Module BMW E81 E87 E90 E91 Hands-free Control Unit MULF2 9149656
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Mercedes Vito W447 Air Module Sensor Control Unit ECU A4479001000
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Nissan Quashqai M9R Diesel Engine Control ECU Manual Gearbox 23710 JD78E
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Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU Kit 03L906022JM
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Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A
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Part no. 9200821
BMW E81 E87 E90 MULF Hands-free Electronics Charging Module 9200821
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200786
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Skoda Fabia 5J Dance CD Player Audio Stereo Radio Head Unit 5J0035161A
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BMW X5 E53 3.0d M57N 218HP ECU Kit DDE + EWS3 + Key 7794626 Automatic Gearbox
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Mercedes W213 C238 Air Suspension Valve Block Control Unit Module A0993200258
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Part no. 6G9N10300YC
Land Rover Freelander 2 L359 2.2 Engine Alternator Generator 6G9N10300YC
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Mercedes C117 W176 W246 Battery Positive Plus Pole Terminal Lead A2469067901
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Mini Cooper One R50 R52 R53 W10 1.6 Petrol Engine Starter Motor 4542789
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Mercedes W203 W221 Wind Screen Wind Shield Rain Sensor Unit A2218708826
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Mercedes W204 W207 W212 W221 Starter Motor A6429060900
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Part no. 9243897
BMW F10 F11 On Board Display Central Information Screen Monitor 10" 9243897
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Mercedes W164 ML 280 CDI 642.940 190HP Engine Unit ECU Kit A6421509678 Key Lock
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Rain Sensor Mercedes W204 W212 Windscreen Control Unit A2049014504
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Mercedes R171 W203 Petrol Engine 271921 Wiring Harnes Loom A2711505433
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Audi A4 B7 Body Control Module BCM Comfort Control Unit Power Supply 8E0907279N
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Audi A4 B7 Door Wiring Harness Loom Front Cabling 8E1971029AA
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BMW E91 Footwell Light Control Module ECU NSW PL2 FRM II 9166711
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Mercedes W211 Door Module Front Left N/S Control Unit ECU A2118701985
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Mercedes W177 Turbo Engine Wiring Warness Loom A2821503400
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BMW E91 Touring ECU Body Control Module H4 PL2 61359131782 9131782
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Telematics Module BMW F01 F07 F10 F12 Bluetooth Control Unit ECU 9228272
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BMW 5 Series E60 LCI Body Gateway Module KGM E6X High D-Can Lear 9186171
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Mini Cooper F54 F56 F60 JCW B48E 306HP Engine ECU Kit DME 5A4C367 BDC Key
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Part no. 231001423R
Renault Trafic Vauxhall Vivaro 2.0 DCI Diesel Alternator Generator 231001423R
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Mercedes Class W221 Rear Fuse Box Control Unit Module SAM A2219006902
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BMW 1 3 Series E87 E90 E92 Navigation System Car Computer CCC 6955786
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BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8582279 Keys FEM
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Part no. A0009824823
Mercedes Sprinter W907 Fuse Box Battery Relay Gruner A0009824823
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Part no. lhd-A2218206389
A2218206389 W221 LHD
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Part no. 02Z911024A
Audi A3 8P 1.6 TDI 5 Speed Manual Diesel Engine Starter Motor 02Z911024A
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Part no. 8677631
BMW F30 LCI B48X 330e Hybrid Electric High Voltage Battery 8677631
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Part no. 7837411
BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS
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Part no. 6928362-1
BMW E60 E61 LCI Front Bumper PDC Loom Cables Wiring Set 6928362
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Part no. 9T11-12A650-GH
Ford Transit Connect Engine Control Unit ECU 9TGH Module 1.8 TDCi 9T11-12A650-GH
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Audi A4 B8 Body Control Comfort Unit Module BCM ECU 8K0907063AH
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Mercedes Vito W639 OM646 Diesel Engine Wiring Cable Loom Harness A6395407735
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Audio Amplifier Mercedes W211 CLS C219 AMP Becker Sound Module Unit A2118706689
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Battery Wiring Mercedes ML W166 Battery Negative Terminal Cable Wire A1665420518
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Part no. 7589971-8
Mini Cooper R55 R56 Engine N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Key Manual
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Part no. 3456395-3
Mini Cooper Cabrio 3 R57 LCI Light Module High EKS ECU PL3 FRM3R 3456395
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Part no. 8509023-1
Alternator Generator BMW E90 E91 E92 E93 LCI E84 F25 Diesel N47N 8507624
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Mini R56 LCI Fuse Relay Distribution Box PL3 SPEG H4 3456905
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Mercedes W207 W212 Parktronic Parking Control Unit Module A0009003706
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Mercedes Sprinter W907 Parking Control Unit Module Sensor Parktronic A0009002720
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BMW X6 E71 Rear Trunk Battery Cover Tray Storage Box 6981050
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VW Golf MK5 1.9 TDI BKC Engine Alternator Mount Support Bracket 03G903143A
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BMW F10 F30 330d 530d 258HP Engine Control Unit N57N ECU DDE 8577835 Automatic
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Head Unit Mercedes GLE C292 Radio CD Player Navigation Media A1669003722
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Volkswagen New Beetle 1.9 TDI BSW Engine Starter Motor 02A911024D
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Volkswagen VW Caddy Radio Remote Control Alarm Key Fob Control Unit Module
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BMW E93 Convertible Cabrio Rear Bumper TV Aaerial 9152325
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COMAND Head Unit Mercedes CLA C117 W176 W246 Nav Sat Radio Player A2469000616
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Part no. 1508927-2
BMW Mini Cooper S R52 R53 2 Positive Battery Cable Fuse Box Module B 6911180
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Part no. A1698203775
Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698203775
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Part no. 4154935-1
Radio Business BMW X3 E83 Z4 E85 E86 CD Player Head Unit 4154935
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Part no. 8P0959433J
Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit ECU 8P0959433J
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Part no. 7811232
BMW X3 F25 Engine Wiring Start/Stop Manual Gearbox Module Loom Cable 7811232
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Part no. 9224617
BMW X5 E70 Footwell ECU Light Control Unit Module FRM IIIR Lear 9224617
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Part no. 7600020-9
BMW Mini Cooper 9 R55 R56 R57 N12 1.6 ECU Kit DME CAS 3 Key 7600020
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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 .