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. 8699946
Mini Cooper F56 B38 1.5 136HP Petrol Engine Control ECU DME 8699946
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BMW F20 F30 LCI 118i 318i B38A15A 136HP Engine Unit ECU DME 8674265 Manual
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Engine Wiring BMW E60 E61 E63 E64 N62 Loom Harness Cable 7543153
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BMW E61 Body Control Module ECU Unit KBM High 6978714
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BMW E64 Air Module ECU Control Unit Centre Vehicle Sensor 6976466
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BMW 5 Series E60 E61 LCI Battery Cable Lead Positive Underfloor 9176953
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Mercedes W211 Battery Load Control Module Relay A2115404245
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M-Audio Controller BMW E60 E61 E63 Radio Player M-ASK CD Professional 6965044
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Mercedes R171 Module Safety Airbag SRC Sensor Control Module Unit A1718202426
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BMW X5 E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9292707
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Mercedes Vito W639 Wiring Harness Rear Boot Trunk Lid Tailgate Loom A6394405109
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Citroen Relay III Stereo Radio Head Unit 7357588720
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Audi Q5 FY Front Door Control Module Unit Right O/S Side 8W1959593
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Fuse Box Mercedes SLK R171 Roadster Fuse Relay Box Control Module A1715450201
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BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9257038 6809374
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Mercedes W212 Front Left Right N/O/S Seat Wiring Loom Cable Harness A2128205313
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Starter Motor Mercedes W213 C238 C253 Engine A2749062100
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Mercedes SLK R172 Relay Fuse Box Control Unit A1725400950
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Part no. 6982356
BMW 5 Series E60 E61 Front Door Wiring Loom Harness Passenger Side 6982356
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KaFAS Camera BMW G11 LCI G20 F40 Front Windscreen Camera Module 9871906
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BMW E60 E63 LCI E90 335d 535d 635d M57N2 286HP Engine ECU DDE 8509036 CAS3 Key
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Mercedes ML W164 PDC Module Parking Distance Control Unit Sensor A1645450216
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Mercedes W205 C200 274.920 184HP Engine Control Unit ECU A2749000800
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BMW E60 LCI E90 E91 E92 325d 525d M57N2 Engine ECU KIT DDE 7805288 CAS3 + Key
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BMW X5 Series E53 Amplifier Trap Circuit 65258377656 8377656
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Citroen Berlingo Peugeot Partner CD Player MP3 Radio Stereo Head Unit 9666968177
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Part no. 8510829
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU Engine Control DDE 8510829 Manual
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BMW X1 E84 18dX N47 ECU Engine Control Unit Kit DDE 8512499 CAS3 + Key Manual
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Part no. 9803844
Mini Cooper Countryman R60 R61 Aerial Roof Antenna Base Module 9803844
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Part no. 7796678-1
BMW E60 E61 535d M57N Engine Control ECU Kit DDE 7796678 CAS2 2 Keys Automatic
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BMW 6 Series E63 E63N E64 LCI Battery Cable Lead Positive Underfloor
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Part no. 7524109
BMW Z4 E85 Petrol M54 Wiring Loom Harness Engine Gearbox Manual 7524109
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BMW F20 F30 LCI 120d 320d ed B47 163HP Engine ECU Unit DDE 8591073 Manual
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Part no. 1K0971228L
VW Golf MK5 6 Audi A3 8P Positive Battery Terminal Cable 1K0971228L
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Part no. 8638736
Earth Ground Cable BMW G20 G21 G30 G31 G11 Line Strap Battery Lead 8638736
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Part no. 6989210
BMW 5 Series E60 E61 LCI Rear Bumper PDC Ultrasonic Sensor Interlagos Blau Blue
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Part no. 7809944-2
BMW E90 E91 E92 330d M57N2 231HP Engine ECU KIT DDE 7809944 CAS + Key Automatic
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Part no. A6079002000-1
Mercedes W176 A180 CDI 607.951 109HP Engine ECU Kit A6079002000 Key Lock Manual
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Part no. A2215420417-MB
Parking Sensor Mercedes W169 W204 W212 PDC Sensor Front Mountain Gray 787
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Part no. A9065450201
Mercedes W906 Volkswagen Crafter 1 Fuse Box Relay Module Unit A9065450201
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Part no. 8589145-6
BMW X1 F48 20dX B47 190HP Engine Control Unit ECU Kit DDE 8589145 Key Lock BDC
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Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Right O/S 9154329
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Mini R56 LCI N16 122HP Petrol Engine ECU Kit DME 7607685 + CAS 3 + 2 Keys
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BMW F10 F11 Radio Player Alpine Audio CD Champ 2 Head Unit 9272002
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BMW 1 3 Series E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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SAM Module Mercedes W207 A207 C207 Rear Control Unit ECU A2129004401
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Part no. 03L903023K
Audi A3 8V A4 A5 B8 Alternator Generator Electrical Unit Diesel 03L903023K
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Mercedes W221 Door Control Module Unit ECU Front Right O/S A2219008603
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Part no. A2129004711
Fuse Box Mercedes W204 W212 Front Relay Control Unit SAM Module A2129004711
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Part no. A1718203126
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Part no. A2469002718-2
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469002718
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451701
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Part no. 6980130
Module ULF BMW X3 X5 E53 E83 E87 Hands Free Bluetooth Charging 6980130
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Part no. 7557290-2
BMW E87 E90 120i 320i N46 150HP Engine ECU KIT DME CAS2 + Key 7557290 Manual
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BMW 5 6 Series E60 M5 E63 M6 Rear Right O/S Brake Disc Protection Plate 6754630
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Part no. 4L0910401G-2
Audi Q7 4L 3.0 TDI CASA Quattro 240HP Engine Contol ECU 4L0910401G Automatic
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Part no. 9375871
MINI Cooper F56 Front Right O/S Driver Side Door Wire Wiring Loom 6809470
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Part no. 9227561
On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
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Part no. 9258167
CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional Head Unit 9258167
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Part no. 8X0907063R
Audi A1 8X Central Gateway Control Unit Module Relay Supply ECU 8X0907063R
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Part no. A0009002720
Mercedes Sprinter W907 Parking Control Unit Module Sensor Parktronic A0009002720
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Mercedes W203 CD Media Player Radio Audio 20 Phone Head Unit A2038704589
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Part no. A0009006318
PDC Module Mercedes W205 W213 W247 Parking Assistant Parktronic Unit A0009006318
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Part no. A2038206385
Mercedes-Benz C-Class W203 Airbag System Control Unit Module ECU A2038206385
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Part no. 6886211
BMW 1 3 F20 F21 F30 F31 Parking Assistant PDC Control Unit Module 6851822
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Part no. 9286479
BMW F10 F11 LCI Front Bumper PDC Sensors Loom Cables Wiring Set 9286479
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Part no. 3456394
Mini Cooper R56 LCI ECU Footwell Light Module FRM3R LOW EKS Lear 3456394
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Part no. A2045458132-1
Mercedes W204 W207 W212 Steering Lock Module Control Unit A2045458132
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Part no. 9399454
BMW X3 F25 X4 F26 Head Unit Basis Media Navigation System Controller DAB 9399454
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Part no. 7896201
BMW 3 Series E46 PDC Rear Parking Sensor Ultrasonic Mysticblau Metallic Blue
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Part no. 9316575
BMW 1 2 Series F20 F21 F22 Battery Cable Lead Positive Underfloor 9316575
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Part no. 8K0919475B
Audi A5 8T Park Parking Assist PDC Distance Control Unit Module 8K0919475B
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Part no. 7530357
BMW Mini Cooper S R52 R53 Auxiliary Wiring Harness Servo Pump 7530357
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Part no. A1645402830
Mercedes ML W164 Battery Positive Cable Wiring A1645402830
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
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Part no. 9217597
Audio Amplifier BMW F01 F02 F07 Top PL6 HIFI AMP-HIFILR02 Unit 9217597
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Part no. A0075420418
Yaw Module Mercedes W204 Rotation Rate Acceleration Sensor A0075420418
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Part no. 5WA907530AB
VW Volkswagen Golf Mk8 Gateway Control Unit Module ECU GW2020 High 5WA907530AB
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Mercedes Sprinter W903 311CDI OM611.981 109HP ECU Engine Unit A6111531091 Manual
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Part no. 9132712
BMW X3 X5 E83 E53 Telematics Control Unit Module GSM 9132712
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Part no. 1705483
BMW 5 7 X5 Series E38 E39 E53 Petrol M62 Alternator Generator Cooled 0986041750
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Audi S5 8T Amplifier Speaker Bang & Olufsen Control Module Unit 8T0035223AN
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Mercedes W177 W247 Control Unit Module ECU High A2479006612
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Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6519009302 Key Lock
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BMW Z4 Series E85 Battery Lead Positive Cable Plus Pole 6935667
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Audi A1 S1 8X 2.0 TFSI CWZA 231HP Quattro Petrol Engine ECU 8X0906259 Manual
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Part no. 7806976-2
BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU KIT DDE 7806976 CAS3 Keys
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Part no. 6890434
Blind Spot Sensor BMW G30 G31 G11 Lane Change Warning Module Unit RS-01 6890434
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BMW 3 X3 Series E46 E83 Fuse Distribution Box 8364530
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Part no. Bosch S4 013 95Ah Accumulator-1
Bosch S4 013 Accumulator Battery 95Ah 800A 12V
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Part no. A2128200097
Mercedes ML W164 W212 Remote Control DVD Media Entertainment Unit A2128200097
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Part no. 3452093
Mini Cooper R56 Footwell Light Control Unit Module LOW ECU PL3 FRM II 3452093
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Part no. 6943437
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65126943437 6943437
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Part no. 8387540
BMW X3 E83 Positive B Battery Terminal Point Case 8387540
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Part no. 8510137
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Control Unit DDE 8510137 Automatic
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Part no. 6912244
BMW Z4 E85 Rear Bumper Antenna Mounted Aerial Unit FM 6912244
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Part no. A0009009021
Mercedes W177 AMG Automatic Gearbox Transmission Control Module ECU A0009009021
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Part no. 7587164-1
BMW E88 Cabrio 125i N52N 218HP ECU Kit DME CAS3 Key 7587164 Automatic
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Part no. 9365758
BMW Mini Cooper F55 F56 Navigation DAB Head Unit High 9365758
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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 .