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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BMW F20 F21 F22 F87 Windscreen Camera Front Window KaFAS Camera 9278358
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Audi RS6 C7 Acceleration Yaw Rate Sensor Module Control Unit ECU 4G0907637L
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Parking Sensor Mercedes W169 W245 PDC Distance Control Unit Module A1699007400
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BMW E81 E87 LCI N43 116i 2.0 122HP ECU Control Unit Kit DME 7640015 CAS3 + Keys
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BMW F20 F21 F30 LCI M140i 340i Alternator Generator 180A BOSCH 8614276
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BMW E60 M5 E63 E64 M6 S85 Starter Motor 7835126
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BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9250454
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Audi A3 8P Battery Box Tray Housing Holder Bracket Cover 1K0915333B
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BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Key Manual
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BMW E87 LCI E90 118i 318i Petrol ECU Engine Control Kit N43 DME 7579142 CAS3 Key
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Active Cruise Control BMW E90 E91 E92 LCI Longitudinal Dynamic Module 6774206
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9199439
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Engine Wiring Mercedes W169 W245 Loom Cable Harness Injector Module A6401503733
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BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9234437
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BMW E81 E87 LCI N43 116i 1.6 122HP ECU Control Unit Kit DME 7595179 CAS3 + Key
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Mercedes W204 SAM Fuse Prefuse Box Relay Control Unit A2045403850
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Mini R56 Footwell Light Module Control Unit ECU PL3 FRM II High EKS 3455701
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Mercedes ML W163 Window Windscreen Rain Light Sensor Module A1638200726
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Mercedes W205 W238 Fuse Box Cover Control Unit Holder Bracket A2055400840
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Mercedes ML W164 Passenger Side Control Unit Module Fuse Box SAM A1649004101
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Mercedes W205 W213 10Ah 170A Auxiliary Additional Generator Battery A0009829508
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Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 Key EWS
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Mini Cabrio R57 Roof Operating Unit Light Switch Panel 3450545
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Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM II 3453743
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Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456760
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BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147184
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Volkswagen Caddy 1.6 TDI CAYD C20 102HP Engine Unit ECU Manual 03L906023PC
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BMW 5 6 Series E60 E61 E63 6-disc Compact CD Changer Without Magazine 6986081
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Air Module Mercedes W211 W219 Control Unit ECU A2118701185
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Part no. 8570673
BMW F07 F10 Alternator Generator 221A Valeo N57N N57Z Diesel Engine 8570672
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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399002900
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BMW F30 LCI B48X 330e Hybrid Electric High Voltage Battery 8677631
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BMW X5 Series E53 4.4i Petrol M62 B44 448S2 Engine Wiring Loom Harness 1438902
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Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009829608
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Nissan Qashqai J10 Renault Koleos 2.0 dCi Engine Alternator 23100JD71A
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Airbag Module BMW F45 X1 F48 Mini F54 F55 F56 Air Bag Control Unit ECU 9367835
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Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Bracket Mount 8200527320
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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A
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Mini Cooper One R52 Body Control Unit Basic Module BC1RD 6976989
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Ford Transit Custom 2.0 EcoBlue 130HP FWD Engine ECU GK21-12A650-CA Manual
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Part no. 7515030
Mini R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Part no. A1648207426
Mercedes ML W164 W251 Air Module SRS Control Unit ECU A1648207426
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Audi A4 B8 A5 8T 2.0 TDI CGLD Engine Control Unit ECU 03L906018JH Manual
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Mini Cooper One R56 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092
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BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Keys Manual
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Peugeot 508 5008 2.0 HDI Galaxy MK3 2.0 TDCI Alternator Bracket Mount 9688628680
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9293309
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Mercedes Sprinter W907 Parking Control Unit Module Sensor Parktronic A0009002720
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BMW E93 ECU Body Control Module H1 PL2 JBBFE 61359153966 9153966
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Mercedes GLC C253 Multimedia USB SD Card Reader Port Socket A2538206100
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Starter Mercedes W204 W212 W906 Diesel OM651 Starter Motor Bosch A6519062800
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BMW F20 F21 F30 F31 LCI G30 G31 G11 Navigation Head Unit Sat Nav High 2 8708259
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BMW X3 E83 Z4 E85 DVD Player GPS Navi Head System Computer Unit 9154052
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Part no. 8200404459
Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459
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Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE000051
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Audi A1 8X 1.4 TSI Engine Wiring Loom Harnes 03C971612BR
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Peugeot Partner 1.6 HDI 9H03 Engine Control Unit ECU EDC 9664843780 Manual
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BMW E81 E82 E87 Xenon Headlight Light Ballast Control Unit 89034934
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Wiring BMW X3 F25 Automatic Gearbox Module Engine Wiring Harness 7811176
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Mercedes W204 Display Screen Information Navigation Dashboard A2049007408
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Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN
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Part no. 3455439
Mini Cooper R56 LCI High SPEG PL3 H4 Fuse Distribution Box 3455439
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Part no. A2115457701
Fuse Box Mercedes W211 CLS C219 Front SAM Control Unit Module A2115457701
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BMW E81 E87 E90 MULF Hands Free Electronics Charging Module 9116725
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Mercedes W169 W245 Door Control Module Front Left N/S A1699000500
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Mini Cooper R55 R56 R57 CCC CD Navigation Sat Nav Head Unit 9170730
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Mercedes Sprinter W906 OM646 Diesel Engine Wiring Harness Loom Cable A6461504233
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9144776
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Audi A6 C7 Fuel Pump Control Unit Module 4G0906093F
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Mercedes W211 W220 ESP Yaw Rotation Rate Sensor A0025426618
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Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
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BMW F30 335i F32 F33 435i N55 306HP Engine Control Unit ECU 8639582 Automatic
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Audi A3 8P Body Control Module Unit 8P0907063G
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BMW X3 F25 ECU ICM Control Unit Air Module Bag Safety 6860962 0265020494
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Mercedes W205 Petrol Engine Alternator Electrical Cable A2649001000
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Alternator Generator Mercedes Vito W639 Sprinter W906 Engine Diesel A6461540102
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BMW E39 E46 E60 E65 X3 E83 M54 Petrol Starter Motor 7515392
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BMW 3 Series E90 ECU Body Control Module H1 61356968034 6968034
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Volkswagen Golf V GTI 2.0 TFSI AXX 200HP Engine Control ECU Kit 1K0907115 Manual
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Audi A5 Q7 A6 Front Crash Impact Sensor Control Unit 4L0959651
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Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655S
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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Door Module Mercedes GLC X253 Front Door Left Control Module A2059000328
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Door Module Mercedes GLC X253 Rear Door Right Control Module A2059001028
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Engine Wiring BMW F45 Mini F60 B38 Loom Harness Injection Valve Ignition 8634244
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Gateway Module BMW F10 F11 Central Module Control Unit Lear ZGW-02 9266409
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BMW F31 Body Control Unit Module HKFM 7388490 0066245503 F005V01610
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Peugeot Boxer Citroen Relay 4H03 TMF 130HP Engine Control Module ECU 9691854880
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Mercedes A238 Control Unit Module Amplifier Premium Sound A2139009020
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BMW F20 F21 F30 F31 F32 1 Body Control Unit Module REM 9329701
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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 .