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. 8506438
BMW E81 E87 LCI E90 E92 120d 320d N47 ECU Control Unit DDE Module 8506438
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BMW 1 Series E87 ECU Light Module Control Unit NSW PL2 FRM II Lear 9204525
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BMW E53 PDC Parking Control Module Unit PDC 6916407 66216916407
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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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Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
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BMW 6 Z4 Series E64 E85 Sensor B-pillar Airbag Right O/S 6942102
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Door Module Mercedes C118 W177 W247 Front Right O/S Control Unit A1779004106
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BMW 6 Series E64 Components Aerial Antenna Diversity Cable AM FM TV 6917457
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BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Key
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Audi A4 B8 Disc CD Changer Player Reader System ESP Switch 8T2035110C
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Mercedes W177 Automatic Gearbox Control Unit Module ECU A0009012604
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Servotronic Module BMW F10 M5 F13 F12 M6 Steering Control Unit Servo SVT 6856855
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Audi Q7 4L Bluetooth Module Multimedia Control Unit ECU 4E0035729A
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Part no. 7823934
Mini Cooper One D R55 R56 Diesel W16 ECU DDE 7823934 0281015233 Manual
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Audi A5 8T Rear Reversing Camera Module View Camera Control Unit ECU 8T0907441C
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Mercedes Vito W447 Rain Light Sensor Control Unit Module A4479000601
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Part no. rhd-7802574
BMW E65 730d Diesel M57N2 Engine Wiring Loom Harness Module Diesel 7802574
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Part no. 7426094
BMW F83 M4 S55 Petrol Engine Fuel Pump Control Module Unit ECU 7426094
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Mercedes A209 Fuse Box SAM Control Module Relay Box A2095451701
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Mercedes W221 Door Module Front Door Left N/S Control Module A0038206326
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Part no. 8506566-1
BMW 3 Series E90 E91 LCI 320d N47N 184HP ECU Kit DDE 8506566 CAS3 + Key Manual
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BMW E92 Driver's Seat Memory Wiring Cables Loom Harness 6943523
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Part no. 7809794-1
Mini Cooper D R55 R56 Diesel W16 1.6 109HP ECU Kit DDE 7809794 CAS3 + Key Manual
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Part no. 9221860
Seat Module BMW E90 E91 E93 LCI Front Left Right N/O/S Control Unit ECU 9221860
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Part no. 6928571
BMW Z4 Series E85 Roadster Cabrio Sensor B-pillar Airbag Left N/S 6928571
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BMW 3 SERIES E90 E91 E92 Petrol N53 Wiring Loom Harness Engine Automatic Gearbox
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Mercedes-Benz S-Class W221 Remote Trunk Closing Control Unit Module A2219002202
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Part no. 8512411-1
BMW X5 E70 LCI 40dX N57S 306HP Engine ECU KIT DDE 8512411 CAS3 Key Automatic
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Part no. 9895416
BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME Manual Control Unit 9895416
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Part no. 6956020-1
BMW MINI Cooper Cabrio Convertible R52 Rear Bumper PDC Cables Wiring Loom
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Part no. 7592080-6
BMW E90 E91 LCI 325i N53 218HP Engine ECU Kit DME 7592080 CAS3 Key Automatic
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Part no. 6995392
BMW G11 Audio Sound Amplifier Harman Kardon AMP Top HIFI System Unit 6995392
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Part no. A0025424419
Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0025424419
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Part no. 8200461558
Renault Trafic 2 Vauxhall Vivaro A Body Control Module ECU 8200461558
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Part no. 3454567-1
BMW Mini Cooper One R55 R56 R57 Radio Boost CD Player Unit Head 3454567
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Part no. rhd-A2135400750
Battery Terminal Mercedes W213 W238 Fuse Box Module A2135400750
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Part no. 6933988
BMW Z4 Series E85 Sensor B-Pillar Airbag Right O/S 6933988
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BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452226
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Renault Master 2 Display Digital Clock Control Unit Panel 8200107839B
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BMW 3 Series E90 E92 Antenna Amplifier Diversity TV Function 868 MHZ 6928936
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BMW 3 5 7 Series E30 E31 F01 F02 F10 F11 Top View Mirror Camera 9240274
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Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187
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Mercedes W203 W209 W639 Fuse Box Distribution Dashboard A2035400250
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BMW F01 F07 F10 F11 F12 F25 CAS4 Module Control Unit Key Reading 6809374
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MINI Cooper One R56 PL3 SPEG H5 Fuse Distribution Box 3455440
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Suspension Module BMW F82 Rear Axle Dynamic Suspension Control Module 6895714
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CAS3 Module BMW E60 E61 LCI E90 E91 Mini R56 Control Unit Key Reading 9147222
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BMW 5 Series E61 Body Gateway Module KGM HIGH LEAR 6985364
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Fuse Box Mercedes W204 W212 Front Relay Control Unit SAM Module A2129004811
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Part no. A1708200926
Mercedes R170 Convertible Roof Top Control Unit Module ECU A1708200926
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Part no. 9323793
BMW X3 F25 Sat Navi Stereo Radio Audio Head Unit CD Player 9323793
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Part no. 7578020-3
BMW E60 E90 LCI 325i 525i N53 218HP ECU Kit DME 7578020 + CAS3 + Key Automatic
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Part no. 9204526-2
BMW E90 Xenon Footwell Light Module Control Unit ECU PL2 FRM II Lear 9204526
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Part no. 7557809-4
BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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Part no. 6927271
BMW 5 Series E60 Front Seat Module Control Unit 6927271
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Part no. 8509034-5
BMW E60 LCI E90 325d 525d M57N2 197HP Engine ECU Kit DDE 8509034 Automatic
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Body Control Module Mercedes Sprinter W907 W910 SAM BCM Unit ECU A9079000704
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Mercedes-Benz A B W176 W246 160 180 CDI Transmission Control Unit Module ECU
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Part no. 7565300-14
BMW E87 E90 E91 120i 320i N46 Engine Control Unit ECU DME 7565300 Manual
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Seat Wiring BMW X3 F25 X4 F26 Cable Loom Harness Passenger's Side 9316662
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Part no. A2098206126
Mercedes W209 Convertible Rain Light Sensor Windscreen Module A2098206126
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Part no. A6421540402
Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
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Engine Wiring BMW E92 E93 325i 330i N52N Injector Ignition Cable Loom 7559821
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Part no. 6828085
PDC Module BMW F15 F16 F25 F26 I01 I12 Parking Distance Sensor Unit 6828085
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Part no. 9284331-1
Mini R55 R56 R60 R61 Roof Operating Unit Light Switch 3455632
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Part no. 9125035
BMW 3 Series E90 E90N E91N E92 E93 LCI Positive Cable Battery Lead 9125035
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Part no. 8639595-5
BMW F30 320i F32 420i Xd N20 184HP Engine Unit ECU Kit DME 8639595 Manual
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Part no. A0065427018
Yaw Module Mercedes W221 ML W164 Rotation Rate Acceleration Sensor A0045423818
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Part no. 9160101
BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9160101
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Part no. A2215400850
Mercedes W221 Fuse Box Relay Control Unit Module A2215400850
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Part no. A9015400150
Fuse Box Mercedes Sprinter W901 W902 W903 W904 Relay Control Unit A9015400150
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Part no. 7523897-2
Mini Cooper One R50 R52 Petrol Alternator Generator 100A 7523897
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Part no. A2059006222
Mercedes W205 Head Radio CD Player Navi Interface Control Unit A2059006222
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Part no. A2118703889
Mercedes W164 W169 W211 W245 W906 6 Disc CD Changer Player A2118703889
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SD Card Mercedes W156 W176 W205 Garmin Map Pilot Navigation Europe A2189061903
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Part no. 2354693
BMW E39 E46 E60 E65 X3 E83 M54 Petrol Starter Motor 7515392
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Part no. 9197174
BMW E81 Footwell Light Module ECU Control Unit PL2 FRM III Lear 9197174
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Part no. 7809944-4
BMW E60 E61 E90 E91 330d 530d M57N2 231HP Engine ECU KIT DDE 7809944 CAS3 + Key
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Part no. 4L0919475A
BCM Module Audi Q7 4L A6 C7 A8 4H Body Control Unit ECU 4L0919475A
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Part no. 443951253AA
Volkswagen Audi Skoda Relay Unit Module 219 899574000 443951253AA
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Part no. GK2112A650CA-2
Ford Transit Custom 2.0 EcoBlue 130HP FWD Engine ECU GK21-12A650-CA Manual
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Part no. 8507202-1
BMW E90 E91 LCI 318d N47N 143HP ECU Kit DDE 8507202 CAS3 Key Manual
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Part no. 7803373-5
BMW X3 Series E83 2.0d Engine M47N2 150HP ECU Kit DDE 7803373 EWS3 + Key Manual
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Head Unit Mercedes C205 Radio Player USB Sat Nav Harman A2059008430
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Module DDE 8510221 Manual
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Audi A5 F5 Headlight Lamp LED Ballast Control Power Module Unit ECU 4K0941572DD
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BMW E60 E61 LCI 520d Diesel N47 177HP Engine ECU Kit DDE 8506199 CAS3 Keys
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BMW X5 E53 3.0d M57 184HP ECU Kit Control Unit DDE 7789376 EWS3 + Key Automatic
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BMW E60 LCI E63 CHAMP Business System Controller CD Player 9165837
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Part no. 284B68764R
Mercedes W415 Fuse Box Relay Control Unit Module 284B68764R
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Part no. 9268750
Control Unit BMW F10 F11 X3 F25 CAS4 Key Reading Module 9268750
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Part no. A2049007806
Mercedes W204 Sound Audio Amplifier Unit Harman Becker A2049007806
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Part no. 7540600
BMW E53 E60 E63 E65 545i 645Ci 735i 4.4i N62 Engine Control Unit DME 7540600
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Part no. E70-RETROFIT
Head Unit Retrofit BMW X5 E70 X6 E71 Apple CarPlay Android Auto CIC Set
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Part no. 6983535
BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6983535
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Part no. 7589971-19
Mini One R56 N12 1.4 95HP Petrol ECU Control Unit Kit DME 7589971 + CAS3 + Keys
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Part no. 5F0941476
Seat Leon Cupra 5F LED Headlight Module Right O/S Side 5F0941476
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Part no. 7304629
Tailgate Module BMW F01 F10 Rear Boot Trunk Lid Control Unit ECU 7304629
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Part no. 6944685-1
BMW 6 Series E63 E63N E64 LCI Negative Battery Cable Minus Pole IBS 6944685
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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 .