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. 9452468
BMW F90 M5 F92 M8 G11 G15 G20 G29 G30 G32 Fuel Pump Control Unit Module 7461741
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Ignition Switch Audi TT 8J A3 8P Lock Barrel Control Module1K0905841
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BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional Autoradio CD 9187108
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Mercedes W205 W213 Ignition Central Lock Control Unit Module ECU A2139005528
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Door Wiring Mercedes C205 Front Right O/S Door Harness Loom A2055400436
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Safety Module Mercedes W205 Airbag SRS Control Module Unit A2059008618
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BMW 1 2 Series F20 F21 F30 Brake Disc Protection Plate Front Right O/S 6873418
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Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit 8K0907064EC
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Sensor BMW F82 F80 F34 Lane Change Warning Module Master Rear Right O/S 6884287
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BMW E60 E81 E82 E87 E90 E91 E92 ECU Key Reading Module Control Unit CAS3 9147220
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BMW X5 Series E53 Cable Harness Door Front Right Left N/O/S 6923511
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On-Board Screen BMW E81 E82 E87 E88 Information Display Touch Monitor 10,25"
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Mercedes ML W164 Passenger Side Control Unit Module Fuse Box SAM A1649004101
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BMW E90 E92 330i 272HP N52N Engine ECU Kit DME 7576297 + CAS3 + Key Automatic
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BMW 5 7 Series E60 E65 Front Seat Flexible Shaft And Transmission Bracket Set
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Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Denso 8634167
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On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9266385
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Audi A4 B8 Door Module Control Unit ECU Front Driver's Side 8K0959793C
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Radio Player BMW F20 F21 F22 F30 F31 CD Bluetooth Head Unit Control 9310461
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BMW E90 Max Brose Footwell Light Module Control Unit ECU FRM3R 9241008
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Mercedes W212 E220CDI OM651.924 Engine Unit Module ECU A6519007500 Automatic
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Airbag Module Mercedes C118 W177 W247 Front Air Bag Control Unit ECU A1779005513
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Earth Ground Cable BMW E90 E91 E92 Negative Battery Lead Wiring 7549396
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Mercedes SLK R171 Heated Heating Seat Control Unit Module A1718201626
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Audi A3 8Y Engine Injector Module Wiring Harness Cable 2.0 TFSI 06N971627B
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BMW E60 E63 E64 E65 PDC Parking Control Module Unit ECU 6930204
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BMW 1 3 Series E87 LCI E90 118i 318i Petrol ECU Kit N43 DME 7579142 + CAS3 + Key
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MINI Countryman R60 High SPEG Fuse Distribution Box H7 9803979
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Radio Head Unit Mercedes W212 Command Navi CD DVD Player Navigation A2129063001m
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BMW E90 E91 LCI Flat Cable Wiring Wire CAS Start Stop ECU Loom 7222633
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Display Screen Citroen Berlingo Peugeot Partner Dashboard Monitor 9803399680
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BMW Mini Cooper Cabrio R57 LCI Rear Right O/S Cables Wiring Loom 9247488
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Volkswagen Touareg PDC Parking Sensor Control Unit Module 7L0919283F
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Renault Trafic II Control Unit Sat Nav Navigation Module Unit 280380655R
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BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776
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BMW F87 LCI M2 Competition S55 411HP Engine Control Unit ECU DME 9798427
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Part no. 6783256
BMW 5 E60 E61 LCI AHK Towing Hitch Tow Bar Control Module Unit ECU 6783256
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Starter Motor Mercedes W204 W211 W212 OM642 Diesel Engine A0061514401
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Vauxhall Vivaro B Renault Trafic 3 Fuse Box Battery Terminal Module 243501820R
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Fuse Box Mercedes W211 CLS C219 Front SAM Control Unit Module A2115457701
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Airbag Module Citroen Relay Fiat Ducato Air Bag Control Unit 01370978080
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Part no. RHD-A2135405392
Display Screen Mercedes W213 C238 Instrument Cluster Speedo Meter A2135405392
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Ford Transit MK6 2.4 TDDi Diesel FXFA RWD 115HP Engine ECU Manual 3C11-12A650-GD
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Ford Mondeo MK3 2.0 TDDi Diesel Engine Starter Motor 2S7T-11000-DC
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Engine Wiring BMW E87 E90 E91 N52 Manual Gearbox Loom Harness Cable 7572410
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Air Module BMW G38 G08 G01 F97 X3M F98 X4M Domain Control Module Unit 5A19AB6
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BMW E63 Lights Control Module LM II E6X AHL 9192642
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BMW X1 E84 18dX Diesel N47N Engine Control Unit ECU Kit DDE 8519005 CAS3 Key
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Mercedes W176 W207 2x USB Interface Multimedia Adapter Connector
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Audi A3 8V 2.0 TDI DFGA Diesel Starter Motor 02E911022C
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Head Unit BMW F32 F33 F36 Radio CD Player Multimedia Control Unit Alpine 9271716
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BMW 7 Series E65 E66 735i N62 272HP ECU Kit DME 7523523 + CAS + Keys Automatic
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Mercedes Sprinter W901 W638 Fuse Box Relay Control Unit Module A0005400650
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Mercedes W169 W245 CD Player Radio Audio Head Unit A1698207589
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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Mercedes-Benz E-Class W210 S210 Battery Cable Box Connector Right A2105460241
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4 x BMW 1 3 E81 E87 E90 E91 PDC Set Parking Sensor Front Rear Titansilber Silver
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Mercedes-Benz C-Class W203 Fuse Box Control Unit Module SAM A2035452901
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BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Key
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Mercedes Sprinter W906 Radio Stereo Audio Head Unit A9068201589
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Fuse Box Control BMW E87 E90 E91 E92 E93 Front Power Distribution 6906609
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BMW E60 E90 325i 525i N52 218HP ECU Module Kit DME 7567178 CAS3 Key Automatic
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Part no. 8578946-1
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine ECU Kit DDE 8578946 FEM Key
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Ford Transit Connect Central Locking Module Control Unit BCM 9T1T15K600DD
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Part no. A2709000900-1
Mercedes W176 A 180 270.910 122HP Blue Efficiency ECU Kit A2709000900 Key Lock
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Mercedes W176 Front Bumper Parking Sensor Wiring Loom Cable Harness A1765408207
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Part no. A0255454732
Brake Module Mercedes R170 W202 Brake Power Assist BAS Control Unit A0255454732
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Part no. A1686100336
Mercedes W168 Battery Support Holder Front Mount Bracket A1686100336
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Part no. A0009005517
Mercedes W177 W205 W238 W257 Gearbox Control Unit Module ECU A0009005517
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Part no. 9897880-4
Mini Cooper S F55 F56 B48C 192HP Petrol Engine ECU Kit DME 9897880 BDC + Keys
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Part no. 7837455
BMW E87 Front Bumper PDC Wiring Loom Cable Harness Parking Sensors 7837455
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Mercedes W169 B150 M266.920 Engine Control Unit ECU A2661539779 Automatic
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BMW 3 5 Series E60 LCI E90 E91 M57N2 325d 525d ECU Kit DDE + CAS3 + Key 7808314
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Mercedes W204 C350CDI BE OM642.834 Engine Control Unit ECU A6421508900
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Part no. 9844144-1
Mini Cooper F55 F56 B38 Engine Control Unit ECU Kit DME 9844144 Key BDC Manual
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Part no. 9205479
BMW 1 Series E81 E87 LCI Positive Battery Lead Distribution Box Cable Rear
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Part no. 1T0907539C
Volkswagen Touran 1T Dashboard Solar Sun Sensor 1T0907539C
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Mercedes W177 A200 M282.914 163HP Engine Control Unit Module ECU A2829003200
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Ford Transit Airbag Module Air Bag Control Unit ECU 6C1T14B056
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BMW Mini Cooper Countryman R60 Fuse Distribution Box SPEG High 9813233
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BMW Mini Cooper One R52 Body Control Unit Basic Module BCM 6214492
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VW Touareg 7L Body Control Comfort Unit Module STG Convenience ECU 7L0959933H
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BMW AGM 12V Accumulator Battery 90Ah 900A 7575328
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Mercedes W203 W204 Petrol Engine Starter Motor A0061510501
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Mercedes W211 CLS C219 Body Control Module BCM Temic A2115458432
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Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804
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Audi A5 8T 2.0 TDI CNHA Diesel Engine Motor Starter 04L911021
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Mercedes A-Class W168 Cable Starter Line Negative Line Battery A1661500333
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Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9243896
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BMW F20 LCI 118i B38 136HP Engine ECU Kit DME 8662411 + FEM + Keys Automatic
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BMW X4 F26 Head Air Module Roof Curtain Right O/S 7339074
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Seat Wiring BMW F45 X1 F48 Mini F55 F56 Passenger's Side Sensor Cable 9364552
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Audi A4 B9 Fuel Pump Control Unit Module ECU 8W0906093D
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BMW 3 Series E36 Electrical Fuse Relay Box Cover Lid Panel Trim 1724713
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Jaguar XF X250 3.0 D AJV6D Engine Control Unit ECU 9X2Q12A650PAD Automatic
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Part no. 7588502-9
Mini Cooper R55 R56 N12 1.6 120HP Engine Control Unit ECU DME 7588502 Manual
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Mercedes-Benz W210 S210 Alarm Anti Theft System Control Module Unit A2108208726
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Part no. 9285767
BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Left N/S 9285767
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Part no. 8507245-1
BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8507245 CAS3 + Key Manual
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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 .