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. A0009063822-1
Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Mini F55 LCI N16 Petrol Oil Pump Adapter Solenoid Valve Wiring Harness 8626763
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Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9369635
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Audi A4 B8 A5 8T Stereo Radio Sound System Speaker Amp Amplifier 8R0035223F
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BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
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Mercedes W164 Diesel OM642 Engine Wiring Loom Harness Cable A6421500856
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Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475AA
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Mini R56 LCI R60 143HP 2.0 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
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Audi Q7 4L 3.0 TDI CASA Automatic Gearbox Control Module Unit ECU 09D927750KC
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Stereo Radio Amp Audi A5 F5 Sound System Speaker Amplifier 8W0035465
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Display Screen Citroen Dispatch Dashboard On Board Dash Monitor 9809842880
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BMW X5 F15 F20 F30 SRS Air Module Bag Control Unit Module ECU 6807634
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Autoradio CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional 9187108
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BMW X5 E70 LCI 40dX N57S 306HP Engine ECU KIT DDE 8512411 CAS3 Key Automatic
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BMW 3 E46 Rear Bumper PDC Wiring Loom Harness Cables Set 6918955
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Mini R55 R56 R57 Halogen Headlights Control Unit Module ECE 0420295
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Part no. A4479009005
Mercedes Vito W447 Head Unit Radio Navigation GPS Nav Display A4479009005
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Mercedes-Benz M-Class ML W163 Fuel Pump Bracket Holder Housing A6110920140
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Mount Support Mercedes W176 Battery Bracket Holder A2466200514
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BMW 1 Series E87 118d 120d A/C Air Con Pipe Hose Compressor Consender 6959992
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Audi A1 8X Fuse Box Control Module Relay Box 6C0907361D
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Mercedes W166 Switch Rotary Selector Controller Navigation Radio A1669003501
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Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059006818
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9229872
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BMW F22 F23 F30 F31 LCI 218i 318i B38 136HP Engine ECU DME 8662411 Manual
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BMW X1 F30 F31 LCI Starter Motor Engine 8612576
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Mercedes W169 W245 W639 W906 Head Unit Radio Media Player Navigation A1699002500
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Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Automatic
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Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A2465407711
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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6980246
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Part no. 7557395-2
Mini Cooper R50 1.6 W10 116HP Engine ECU Kit DME + EWS + Key 7557395 Manual
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BMW F10 F11 Radio Player Alpine Audio CD Champ 2 Head Unit 9272002
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Part no. 6934413
BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6934413
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Part no. 6962424
On Board Navigation BMW E60 E61 E90 E91 Display Monitor Screen 6,5" 6962424
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Part no. 3456987
Mini Cooper R60 Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456987
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Part no. A2215408845
Mercedes W221 Gateway Control Unit Module ECU A2215408845
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Part no. 7559178-5
BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Volkswagen New Beetle Earth Ground Cable Negative Battery Lead Wiring 1C0971235A
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Part no. 04L907309B
Volkswagen Golf Mk7 1.6 TDI CLHA Engine Control Unit ECU 04L907309B Manual
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BMW F20 F21 F30 Ultrasonic Parking Sensor PDC Front Havanna Metallic - A17
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Part no. 5H0907383D
Audi Q2 GA Towing Hitch Trailer Hook Module Control Unit 5H0907383D
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Mercedes W176 W204 C207 C218 W246 Fuel Pump Control Module A0009001803
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Battery Cable BMW X3 F25 X4 F26 Positive Plus Pole Lead 9321005
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BMW X5 Series E53 HiFi Audio System DSP Amplifier Module Unit Lear 6933875
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Audi A6 C7 CD Player Radio Stereo Head Unit MMI NAVI 4G0035193C
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BMW F10 Champ 2 Radio CD Player Head Unit ECU 9233010
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Audi A3 8V VW Passat B8 Gateway Control Unit Module 5Q0907530AM
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Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation GPS 6840399
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Part no. A2059005351
Mercedes GLC X253 Electronic Module ECU Control Unit A2059005351
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Part no. 7794624
BMW E46 320d Diesel M47N 150HP ECU Engine Control Unit DDE 7794624 Manual
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Part no. 7594483-1
BMW 1 Series E82 E88 125i N52N 218HP ECU Kit DME 7594483 CAS3 + Key Automatic
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Part no. A1699001600
Mercedes-Benz W169 W245 48V Technology SAM Control Module Fuse Box A1699001600
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Part no. 8475350-1
BMW F20 F21 LCI 116d Diesel B37 B37D15A 116HP Engine ECU DDE 8475350 Manual
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Part no. A2129005722
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
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Part no. 8T0035223AN
Audi S5 8T Amplifier Speaker Bang & Olufsen Control Module Unit 8T0035223AN
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Part no. A2129000406
Fuel Pump Module Mercedes W207 C207 A207 Control Unit ECU A2129000406
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Citroen Berlingo Module Control Unit Brown 12V 20A 4 Pins 8200263342
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Audi RS3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294K
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit Module ECU 8C1112A650CC
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Part no. 8J0035223B
Audi TT 8J Audio Amplifier Radio Lear Sound Unit 8J0035223B
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Part no. 8782591-1
Mini F55 F56 Roof Antenna AM FM GPS TEL 8782591 65208782591
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Part no. 8519663-8
Mini Cooper SD R60 ALL4 N47N 143HP Engine ECU Kit DDE 8519663 Manual CAS3 + Key
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Mercedes R231 Seat Control Unit Module Driver A2319003606
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Part no. 9177209-1
Radio Business CD BMW E81 E82 X1 E84 E87 E90 E91 E92 Audio Player 9177209
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Part no. 6791521-4
BMW 1 3 Series E87 E90 E91 ABS DSC Module Pump ECU Hydro Unit 6778164 6791521
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Part no. 3427743
BMW X3 Series E83 Wiring Drivers Side Loom Front Door Cables Right O/S 3427743
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Part no. 7561834-12
BMW E87 E90 N46 118i 318i 129HP ECU Engine Module KIT DME 7561834 CAS2 Key
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Part no. 6856747
BMW F10 F20 F30 Tow Bar Trailer Towing Control Module Unit AHM 4 6856747
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Part no. 6938495
BMW E82 X1 E84 E88 E90 E91 E92 Battery Cable Plus Pole 6938495
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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. GK2T-6M091-AB
Ford Transit Mk8 2.0 Ecoblue Diesel Glow Plug Wiring Loom GK2T-6M091-AB
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Part no. a1699007900
Mercedes W169 W639 COMAND Navigation Head Unit Radio Sat Nav Screen A1699007900
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Part no. A2539003001
Mercedes C253 Electronic Control Unit Module A2539003001
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Part no. 9134479
BMW E90 ECU Body Control Module ECU H1 61359134479 9134479
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BMW 3 E91 Touring Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Peugeot 3008 Wiring Loom Harness Cable 9665290180
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Part no. 7807828-3
BMW E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7807828 CAS3 + 2 Keys
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Part no. 8517874-1
BMW 1 Series F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM Manual
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Part no. 46774430
Fiat Doblo Engine Alternator Generator 46774430
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BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC
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Window Lifter Drive BMW E87 E90 E91 Motor Rear Left 6927025
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Part no. 4G0907355G
Audi A7 4G8 3.0 TDI CZVA Adblue Control Module Unit ECU 4G0907355G
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Part no. 6983302
BMW E90 ECU Body Control Module H1 61356983302 6983302
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Audio Amplifier BMW F20 F21 F23 LCI I3 I8 Top Hifi Harman Kardon Unit 9382517
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Relay Mercedes W203 W204 W212 W639 W906 4-Pin Grey Hella 12V A0025422619
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BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9229878
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Rain Sensor Mercedes W204 W212 Windscreen Control Unit A2049014504
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Earth Ground Cable BMW F10 F11 F13 F01 Battery Cable Engine Wiring 7580334
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Part no. 8596362-1
BMW F20 F30 LCI 120dX 320dX B47 Engine ECU Kit DDE 8596362 FEM + Key Automatic
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Mercedes W164 ML320 CDI 4-Matic OM642.920 Engine ECU Kit A6421506100 Key Lock
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Part no. A2049060205
Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Part no. 9116264
BMW E60 E61 E63 E64 PDC Parking Control Module Unit ECU 9116264
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Part no. 8P3971085
Audi A3 8P Rear Bumper PDC Wiring Parking Sensor Loom Harness 8P3971085
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Part no. 6920409
BMW 5 7 Series E60 E61 E65 E66 Fan Blower Motor Unit Amplifier Cooling 6920409
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Part no. 7541335
BMW E60 E61 E83 Petrol M54 Engine ECU Control Unit DME 7541335
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Part no. 7545789-9
MINI One 1.6 R50 R52 W10 90HP Engine ECU Kit DME 7545789 + EWS + Key Manual
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Part no. BK3D18D815BE
Ford Transit MK8 Radio Stereo Audio USB Head Unit Panel BK3D-18D815-BE
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Part no. 8R2907115-1
Audi Q5 8R 2.0 TFSI CNCD 224HP Engine Unit ECU Kit 8R2907115 Key Ignition Manual
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Part no. 6940299
BMW E64 E85 Sensor B Pillar Air Module Unit Left N/S 6940299
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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 .