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. A2135451540
Camera Module Bracket Mercedes W213 S213 Rear Housing Left N/S A2135451540
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Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724
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BMW E90 E91 E92 N52N 325i 218HP ECU Kit DME CAS3 Key 7574544 Automatic
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Audi A4 B7 Starter Motor Engine Diesel Bosch 0001125053
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Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65124154935 4154935
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BMW F10 F30 F32 LCI 335dX 435dX 535dX N57Z 313HP Control Unit ECU DME 8586536
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Mercedes ML W166 GLE C292 Relay Current Power Limiter Fuse Box A1669067701
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Seat Ibiza Fuse Box Relay Carrier Holder Bracket Mount Tray 6R0915345E
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Audi A3 8V Gateway Module Control ECU Unit 5Q0907530M
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BMW 5 Series E61 Touring Diversity Aerial Antenna Suppression Filter 6953191
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Audi Q3 8U Head Unit Navigation Multimedia Control Unit 8U0035193CX
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BMW X3 E83 Radio Navigation System CID Control Unit CD Player 6932812
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Alternator Generator BMW F10 F11 F20 F21 F30 F31 N55 Denso 14V 210A 7616119
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Safety Module Mercedes W205 Air SRS Control Module Unit A2059008618
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Mercedes W639 W638 W906 Fuse Box Unit Holder Bracket Frame A6385450319
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BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8513242 Automatic
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Audi A4 Door Harness Loom Cable Wiring Front Left Right N/O/S 8E1971035DF
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Mercedes W205 W213 C238 Bluetooth Hermes LTE Control Unit Module A2139002210
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Mercedes-Benz W169 Front Bumper Parking Distance Sensor Parktronic Polar Silver
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Mini R56 Footwell Light Module Control Unit ECU PL3 FRM II High EKS 3455701
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BMW Mini Cooper S R52 R53 Gearbox Basic Control Unit EGS 7524695
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BMW 3 X1 Series E84 E91 E91N LCI Control Unit Sliding Lifting Roof 6955927
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Mercedes ML W166 Door Control Module Unit ECU Front Right O/S A1669007609
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Renault Master III Radio CD Player Bluetooth Head Unit USB MP3 281156951R
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Alarm Sensor BMW E84 E91 Ultra Sonic-Module System Control Unit 9260874
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Body Control Module BMW X5 E70 ECU Junction Box LOW PL4 JBBFEII 2 9138471
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Audi Q7 4L A1 8X Negative Battery Cable Lead Monitoring Module 8K0915181D
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Volkswagen VW Golf V 1.9 TDI Diesel Engine Starter Motor 02Z911023H
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Audi A6 C6 Hifi Audio Sound Speakers Amplifier Control Unit ECU 4F0910223C
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BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU Lear FRM PL2 9286887
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Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8W1907063AC
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Bluetooth Module BMW E81 E87 E90 E91 Hands Free High MULF2 Harman Becker 9183373
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Part no. A2059001311
Mercedes W205 Door Module Front Left N/S Control Unit ECU A2059001311
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Starter BMW G20 G21 G30 G31 G01 Engine Starter Motor 8671504
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CD Changer Audi S6 C6 A8 D3 6-Disc Magazine Head Unit MMI 4E0910110A
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Audi A3 8V Fuse Box Control Module Relay Box 5Q0907361C
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Gearbox Module BMW E38 E39 Automatic Transmission Basic Control Unit EGS 1422768
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Mercedes W205 Multi-Purpose Windscreen Camera Control Unit Module A2479006804
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Audi A3 8P Yaw Sensor ESP Rotation Rate Control Unit Module 1K0907655A
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SAM Module Mercedes W205 GLC X253 Front Body Comfort Control Unit A2059007845
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Mini Clubman Cooper R55 Antenna Amplifier Diversity Signal Booster 3423829
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Mini Cooper R58 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457428
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Mercedes W203 W221 Wind Screen Wind Shield Rain Sensor Unit A2218708826
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Mercedes CLK W209 Fuse Box Relay Control Unit Module SAM Fuse Box A2095450001
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BMW 1 Series 1 E87 6-disc CD Changer Without Magazine 6958198
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Mercedes W221 Door Control Module Unit ECU Front Right O/S A2219008603
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BMW F20 F21 F22 Telematics Bluetooth Control Module Unit TCB ECE GPS 9389658
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Land Rover Range Sport L320 Diesel Engine Alternator Generator AH22-10300-AB
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Mercedes W204 Front Fuse Box Relay Module Sam Control A2129005712
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Part no. 7580279
BMW E87 LCI E90 320i N43 170HP ECU Engine Control Unit DME 7580279 Manual
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Apec 0986024980
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Radio Head Unit BMW F20 F21 F22 F30 F31 Basic Media Navigation Headunit 9399427
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Starter Motor VW Golf GTI Audi Seat Skoda Petrol CJX CHHA Bosch 1.1KW 02E911024B
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Audi A5 8T 2.0 TDI CAHA 170HP Engine Control Module ECU 03L906022RM Manual
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BMW E60 E61 LCI M-ASK M-Audio Navigation System Controller Player 9195756
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Mercedes W176 Starter Motor 12V Bosch M270 Petrol Engine A2709060700
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BMW F40 F45 Mini F55 F56 Front Suspension Strut Protective Cap Cable VDC 6876863
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Mercedes-Benz S W221 Valve Block Air Suspension Control Unit Module A2123200358
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BMW F20 F30 LCI Diesel B37 B47 ECU DDE Engine Control Unit 8598759 Automatic
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BMW F20 F21 LCI M140i B58 Gearbox Wiring Cable Aquamist Water Methanol 8631672
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Audi TT 8S Module BCM Body Control Unit Module ECU 5Q0937084BR
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Part no. A1645407901
Mercedes V251 Gateway Module Control Unit ECU A1645407901
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Part no. 3454566
Radio Player Mini Cooper One R55 R56 CD Audio Player Head Unit 3454566
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Seat Module Mercedes X164 Rear Third Row Seats Control Module A1648703726
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Part no. 6949628
BMW 5 7 Series E60 E65 E66 Sunroof Sliding Roof Window Drive Unit Motor
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Part no. 6809545
Mini F56 Interior Electrical Cable Excitement Package Wiring Harness 6809545
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BMW E60 E61 LCI Front Bumper PDC Loom Cables Wiring Set 6928362
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Part no. A2059009527
Mercedes W205 Air Module ICM SRS Control Unit ECU A2059009527
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BMW E87 LCI E90 120i 320i N43 143HP ECU Engine Control Unit DME 7580279 Manual
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BMW 3 X3 Z4 Series 2 E46 E83 E85 Engine Electronics Unit Box 7534922
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Audi A4 B8 Radio Media Player Audio CD Head Unit Player Concert 8T2035186P
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Toyota RAV4 Diesel Starter Motor Engine Actuator DENSO 28100-64300-84
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BMW E60 E90 E91 330i 530i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Engine Control Unit BMW F10 F30 320d 520d N47N 184HP ECU DDE 8518423 Manual
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Audi Q3 8U Camera Module Rear View Parking Camera Control Unit 8U0907441
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Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7641003 Manual
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Tailgate Module Mercedes W204 W212 Boot Lid Locking ECU Control Unit A2128203542
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BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6939712
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Camera Control Module BMW F30 F32 F82 Top Rear View Unit 6994554
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Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
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Mercedes W245 Head Unit Radio CD Media Player Telephone Unit A1699002100
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Battery Cable VW Polo 6R Audi A1 8X Starter Alternator Wiring 6C0971349MD
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Mercedes W213 Door Module Front Right O/S Control Unit A2139004409
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Mercedes W212 Battery Holder Mount Bracket E-Class A2126280041
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Mini Countryman R60 Fuse Distribution Box SPEG High DC/DC H7 9809382
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Battery Cable BMW F45 Mini F54 F56 B48 Alternator Starter Wiring 8602973
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Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038
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Mini Cooper S R52 R53 W11 Engine Wiring Loom Harness 7541073 Automatic
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Fuel Pump Module BMW F20 F21 F30 F31 N13 Petrol Control Unit 7447895
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BMW E90 E91 LCI E92 330d N57 245HP ECU Engine Kit DDE 8510221 CAS3 Key Manual
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BMW 3 5 Series E34 E36 Hazard Warning Relay 1388533
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Vauxhall Corsa D 1.3 CDTI Engine Starter Motor 55217672
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BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Automatic
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Part no. 3456987-1
Mini Cooper One R57 Footwell Light Module High EKS ECU PL3 FRM3R 3456987
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Mercedes-Benz C M Class W163 W203 ESP Yaw Rotation Rate Sensor A0025428918
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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 .