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. 9172364
BMW X5 Series E70 ECU Body Control Module Junction Box High PL4 JBBFEII 9172364
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Audi A6 C6 Q7 4L Bluetooth Telephone Control Module ECU 4E0910336H 4E0862335
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BMW X1 E84 18sD N47N sDrive Engine Control Unit ECU DDE 8574351 Automatic
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BMW E90 E91 LCI 318d Diesel 143HP N47N ECU Kit DDE 8518268 + CAS3 + Keys Manual
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Mercedes Vito W639 OM646 Diesel Engine Wiring Cable Loom Harness A6394400105
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BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 6946108
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BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9247062
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BMW 3 Series E92 Max Brose Footwell Light Module Control Unit ECU FRM3R 9241008
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Part no. rhd-A2125406110
Mercedes W212 E63 AMG Starter Alternator Cable Wiring Harness A2125406110
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Part no. 6827064-3
BMW E93 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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BMW 5 Series E60 E61 LCI CCC CD Sat Nav Head Player System Controller 9170702
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BMW E60 Light Control Module Unit Lear LM II E6X AHL Lear 9137776
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BMW F20 F21 F30 F31 Airbag Control Unit Module 9461919 0285015095
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Part no. 7583332-5
BMW E90 E91 LCI 325i N53 218HP Engine ECU Kit DME 7583332 CAS3 + Keys Manual
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Part no. 06K903026C
Audi A3 S3 8Y Engine Alternator Generator Electric Unit 14V 140A 06K903026C
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Part no. A1665402102
Battery Cable Mercedes W166 C292 Starter Alternator Wiring Harness A1665402102
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Part no. 06H903017EX
Audi A3 8P Engine Alternator Generator 14V 140A 1.8 TFSI CDAA 06H903017E
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Part no. 8S0907159B
Audi TT FV Acoustic Controller Control Module Unit ECU 8S0907159B
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Part no. 9118729
BMW E60 E61 Body Gateway Module KGM HIGH 9118729
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Part no. 7595179-14
BMW E81 E87 LCI 116i E90 E91 316i N43 122HP Engine ECU DME 7595179 Automatic
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Part no. 6989105
Parking Sensor BMW E60 E61 Mini R50 PDC Ultrasonic Sensor Schwarz 2 Black - 668
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BMW 1 Series F40 Holder BDC Body Domain Controller Control Unit 6835857
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Volkswagen Golf Mk7 Audi A3 8V Engine Starter Motor Start Stop Denso 02E911024D
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Part no. 5R3919294
Volkswagen Golf CD1 Park Parking Assist PDC Distance Control Module 5R3919294
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Part no. 7565300-8
BMW E87 E90 E91 118i 318i N46 129HP Engine ECU Kit DME 7565300 Manual Key CAS 3
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Radio Head Unit VW Volkswagen Golf 6 Passat B7 Media Player Unit 1K0035186AQ
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Part no. 7595847
BMW X5 X6 E70 E71 Rear Differential Control Module Unit QMV 7595847
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Part no. rhd-7555157
BMW 5 6 Series F10 F11 Relay Fuse Auxiliary Box Holder Housing 7555157
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Part no. A2208201489
Mercedes-Benz CL S Class C215 W220 Antenna Amplifier Filter Module A2208201489
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Part no. 5293147-1
Relay Glow Littlefuse Mega Fuse 200 Amp 5293147
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Part no. 8606306-4
BMW F10 F11 F30 320i N20 ECU DME Engine Control Unit Module 8606306 Manual
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Part no. A2711502779-1
Mercedes W204 C180 156HP Kompressor M271.910 Engine ECU Kit A2711502779 Key
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Part no. H2862N-P
Mini R56 R57 R58 R60 Display Screen 9 inch Android Surround Panel H2862N-P
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Part no. 03C906027CF-1
Audi A1 8X 1.4 TFSI CAVG 185HP Petrol Engine ECU Kit Ignition + Key 03C906027CF
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Part no. Alpine CHM-S630-1
Alpine CHM-S630 6-disc Compact CD Changer Multichanger Digital Audio Magazine
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Part no. A2049061002-1
Mercedes W204 Radio CD Player COMAND Stereo Sat Nav Head Unit A2049061002
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Part no. 9211840
BMW F01 Wiring Loom Cable Harness 9211840
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Part no. A0015404517
Mercedes-Benz C E Class W202 W210 ESP Yaw Rotation Rate Sensor A0015404517
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Part no. 8E0035192D
Audi A4 B7 Navigation System Car Sat Nav Computer Head Unit 8E0035192D
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Part no. A6519009702-5
Mercedes GLA X156 220d 651.930 170HP Engine ECU Kit Ignition + Key A6519009702
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Part no. 8517015-3
BMW X5 E70 X6 E71 30dX Diesel N57 245HP ECU Kit DDE 8517015 CAS3 Keys Automatic
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Part no. A2105401930
Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105401930
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BMW 3 5 7 Series E36 E38 E39 Key Transmitter Receiver Module Unit 8362337
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Part no. 7412610
BMW F15 F16 F31 F36 Module Control Unit Trunk Lid Rear Tailgate Lift 7384722
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Part no. 6972569
BMW 5 Series E60 E61 Cable Loom Driver's Door Wiring Harness 6972569 6972564
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Part no. 9371386
BMW 4 Series F33 F83 M4 Convertible Top Module CTM Unit 9371386
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Part no. 8H0959255A
Audi A4 B7 Cabrio Folding Top Roof ECU Module Control Unit 8H0959255A
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Part no. 9252637
BMW X1 E84 Parking Control Module Unit PDC ECU 9252637
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Part no. 6985363
BMW E60 E61 E63 E64 Body Gateway Module 61356985363 6985363
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Part no. 7580279-7
BMW E87 LCI E90 118i 318i N43 143HP ECU Engine Control Unit DME 7580279 Manual
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Part no. 9125030
Cable Wiring BMW E81 E87 Petrol N43 Positive Battery Lead Petrol 116i 118i 120i
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Part no. 7621178-3
BMW E81 E87 LCI E90 N43 118i 318i ECU Kit DME 7621178 CAS3 Keys Manual
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Part no. 3450824
Mini Cooper One R56 High SPEG Fuse Distribution Box H1 3450824
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Part no. 7583225-13
BMW E81 E87 E90 N43 120i 320i N43 170HP ECU Kit DME CAS3 Key 7583225 Manual
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Part no. 9110890
BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9110890
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Part no. 7561684-8
BMW E60 E90 325i 525i N52 218HP Engine ECU Control Unit DME 7561684 Automatic
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Part no. 8573260-5
ECU Kit BMW F20 F21 116d Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
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Part no. A2045456201
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2045456201
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Part no. 6989112-SCH
BMW E60 E61 E83 Front PDC Parking Sensor Schwarz 2 Black 668
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Part no. 4997278
Ford Transit Mk7 Hands Free Telephone Microphone 8C1T19A391BA
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Part no. 03G906016KN
Audi A4 B7 BPW 2.0 TDI 140HP Diesel Engine Control Unit ECU 03G906016KN Manual
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Part no. 7576297-3
BMW E90 E92 330i 272HP N52N Engine Control Unit ECU DME 7576297 Automatic
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Part no. 7230669
Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7230669
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Part no. 2754325
Mini Cooper R55 R56 Wiring Cable Seat Heating Seat Occupancy Set 2754325
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Part no. A2079010600
Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079010600
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Part no. 4104215
BMW X5 Series E53 PDC Parking Control Module Unit PDC 4104215
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Part no. 6844126
On-Board Screen BMW F20 F30 LCI Information Display Touch Monitor 8,8" 6844126
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Part no. 6869074
Adapter Lead Wire BMW G11 G30 G31 VDC Cable Front Right O/S Harness Loom 6869074
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Part no. 9166709-2
BMW E91 Footwell Light Control Module AHL PL2 FRMII 61359166709 9166709
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Part no. A0005427700
Mercedes GLE C292 Coupe Parking PDC Sensor Display Device Unit A0005427700
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Part no. 5A2DB59
BMW i4 G26 High Voltage Battery Cable Wiring Harness Loom 5A2DB59
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Part no. A1779002107
Door Module Mercedes CLA C118 W177 Front Door Right O/S Control Unit A1779002107
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Part no. 99661511700
Porsche Boxster 986 Rear Screen Heating Relay Module 99661511700
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Part no. 06F903023D
Skoda Fabia Mk2 5J Engine Alternator Generator Unit 14V 110A 06F903023D
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Part no. 5E0971104B
Skoda Octavia Mk3 5E Rear Bumper Parking Sensor Wiring Harness Loom 5E0971104B
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Part no. 7550319
Mini R50 R52 Alternator Generator 110A Benzin 7550997 7550319
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Part no. A4479001000
Mercedes Vito W447 Air Module Sensor Control Unit ECU A4479001000
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Part no. 9264973-1
BMW X5 E70 Seat Control Unit Module ECU 9264973
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Part no. 6R0971065
Volkswagen Polo 6R Parking Sensor Wiring Rear Bumper PDC Loom Cable 6R0971065
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VW Volkswagen Amarok NF Wiring Harness Loom Cable MB3T14A411SLC
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Part no. 7541335-5
BMW Z4 E85 2.2i M54 170HP Engine Control ECU Kit DME 7541335 EWS3 + Key Manual
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Part no. 6933270
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 6933270
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Part no. A0009067702
Alternator Generator Mercedes W204 W207 W212 Engine Diesel 180A 14V A0009067702
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BMW X3 F25 X4 F26 ACC Radar Sensor Module Unit Cable Wiring Plug 9315082
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Audi A4 B8 Air Module Control Unit ECU Crash Control 8K0959655J
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Exhaust Flap Control Mercedes C117 W176 W246 Actuator Drive Unit A0009061201
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Part no. A6519062400
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter A6519062400
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Part no. A2055400555
Mercedes W205 Door Electrical Wiring Harness Front Left N/S A2055400555
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Ford Transit MK8 2.2 TDCI 100HP Engine Control Unit ECU Module BK21-12A650-AC
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Part no. 8X0959655B
Audi A1 8X Air Module Control Unit Sensor 8X0959655B
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Part no. 9365833
Business Navigation BMW F20 F21 F30 F31 Sat Nav Head Unit Player 9365833
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Part no. A1648203885
Mercedes ML W164 Front Right Control Unit Module Door A1648203885
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Part no. 4G0907637
Audi A7 4G8 ESP Yaw Rate Module Control Unit Sensor ECU 4G0907637H
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Part no. A2105401031
Mercedes-Benz E-Class W210 Battery Ground Earth Strap Cable Wiring A2105401031
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Part no. 3455530
*BMW Mini Cooper R55 PL3 SPEG H4 Fuse Distribution Box 3455530
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Part no. 8W8959107D
Audi A5 F5 Rear Hatch Tailgate Boot Lid Control Module Unit ECU 8W8959107D
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Part no. A2139002422
Mercedes W213 Front Door Module Control Module Unit Right O/S A2139002422
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Part no. 02T911023M
Audi A3 8P 1.6 MPI Petrol Starter Motor Engine 02T911023M
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Part no. 7561684-5
BMW E60 E90 325i 525i N52 218HP Engine ECU Kit DME 7561684 CAS2 + 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 .