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. 9154052
BMW X3 E83 Z4 E85 DVD Player GPS Navi Head System Computer Unit 9154052
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Volkswagen Touareg 7L Automatic Gearbox Module Control Unit ECU 09D927750FA
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BMW E87 LCI E90 N43 118i ECU Control Unit Kit DME 7595179 CAS3 + Key Automatic
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SAM Module Mercedes W212 Fuse Box Relay Control Unit A2129000004
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BMW G30 G31 530dX 540dX Diesel B57 Engine Wiring Harness Supply Line 8590021
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Mercedes SLK R171 Center Console Arm Rest Wiring Loom Harness A1715409333
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Mercedes A B Class W169 W245 Airbag System Control Unit Module ECU A1698204185
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Mercedes Sprinter W906 Diesel Starter Motor Engine Valeo A0061517401
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BMW X3 E83 2.0i N46 150HP Engine ECU DME 7561834 Manual
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BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6974310
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BMW E60 E61 E63 E65 PDC Parking Control Module Unit ECU 9145158
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BMW 5 6 E60 LCI E63 Radio CHAMP Business CD Player System Controller 9192680
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BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270646
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Audi A3 8P Control Unit Gateway Module ECU 8P0907530C
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Mercedes GLC X156 Estate Trunk Lid Tail Gate Relay Amplifier Module A2229000618
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Peugeot 207 Partner 1.6 HDI Alternator Generator Support Bracket 9684613880
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Part no. 057911023E
Audi Q7 4L 4.2 TDI Quattro Engine Starter Motor Actuator 057911023E
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Audi A4 B8 3.0 TDI CAPA Diesel Starter Motor 059911021C
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BMW F30 LCI 330e Hybrid High Voltage EDH Wiring Cable Wire 6824108
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BMW 5 Series E60 E61 Cable Door Rear Left Right N/O/S Wiring Harness 6966643
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BMW E93 Footwell ECU Light Control Unit Module FRM3R PL2 Lear 9224594
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Part no. 7579142-17
BMW E87 LCI 116i E90 316i N43 122HP Engine Control Unit ECU DME 7579142 Manual
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BMW E60 Light Control Module Unit Lear LM II E6X LWR LCM 9137775
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Part no. 06E903024L
Audi A4 S4 B9 A5 A5 F5 3.0 Petrol Alternator Generator 14V 150A 06E903024L
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Part no. 7595179-3
BMW E81 E87 LCI E90 N43 118i 318i Petrol ECU Kit DME 7595179 CAS3 + Key
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Part no. A2129014606
Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
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Part no. 7565300-1
BMW E87 E90 E91 118i 318i N46 129HP ECU Kit DME 7565300 + CAS3 + Key Manual
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Part no. 8571905-4
Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch
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Part no. 9357991
Head Unit BMW F10 F20 F30 Basis Media Navigation Headunit 9357991
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Part no. 7550967-1
BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967
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Part no. A2219007102
Mercedes W221 Fuse Box SAM Relay Control Unit Signal Module Front A2219007102
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Part no. A1729008412
Mercedes SLK R172 Roadster Folding Vario Roof Control Module A1729008412
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Part no. A2135406303
Mercedes W213 PDC Parking Sensor Wiring Loom Cable Rear Bumper A2135406303
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Part no. 8573260-3
ECU Kit BMW F20 F21 114d Diesel N47N 95HP DDE 8573260 + Key + FEM + Lock Manual
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Part no. A2035407608
Mercedes-Benz C W203 Front Left Right Door Wiring Loom Harness A2035407608
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Part no. A2129005212
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129005212
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Part no. 7801173-1
BMW X5 X6 E70 E71 M57N2 Alternator Generator 180A VALEO 7801173
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Part no. A2059002629
Surround View Camera Mercedes W205 W447 Camera Control Unit Module A2059002629
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Part no. 7790548
BMW E87 E90 E91 E92 E93 Diesel Alternator Valeo 150A Diesel 7790548
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Part no. 373004A310
Hyundai H-1 2.5 CRDI Alternator Generator 373004A310
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Part no. 7809941-7
BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
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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. 8510829
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU Engine Control DDE 8510829 Manual
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Part no. 9252816
BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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Wiring Harness Mercedes W212 Dashboard Dash Wiring Cable A2124400613
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Part no. 8K0959663C
Audi A8L 4H Voltage Converter Stabilizer Control Module Unit ECU 8K0959663C
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Parking Sensor Wiring Mercedes W177 W247 Rear Bumper PDC Loom Cable A1775405710
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Part no. 7798422
BMW E60 E61 525d M57N 177HP Engine Control Unit ECU DDE 7798422 Automatic
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Part no. 7542310-5
Mini Cooper S R52 R53 W11 Petrol Engine ECU Kit DME 7542310 Keys EWS Manual
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Part no. 9273182-1
BMW X5 E70 Navigation System Car Computer CIC DAB X6 E71 9273182
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Part no. 6960218
BMW E65 Passenger Seat Air Module Sensor Control Unit SRS 6960218
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Part no. AT1112A650BD
Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual AT1112A650BD
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Part no. A1679002718
Mercedes W205 W213 Door Module Front Left N/S Control Unit ECU A1679002718
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Part no. 8X0035182K
Audi A1 8X Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8X0035182K
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Part no. 964544367700
Cassette Player Citroen Berlingo Peugeot 206 Audio Head Unit 964544367700
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Part no. 3456034
Mini Cooper R56 LCI ECU Footwell Light Module FRM3R LOW EKS Lear 3456034
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Part no. 9147195
BMW E60 E81 E87 E90 E91 CAS 3 Control Unit ECU Key Reading Module CAS3 9147195
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Part no. 6964602
BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6964602
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Part no. 8518802
BMW F30 F31 330dX N57N Engine Gearbox Module Wiring Cable Loom Harness 8518802
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Part no. A0009067900-1
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900
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Part no. 7209145
BMW E64 E64N Cabrio Convertible Folding Top Roof ECU Module 6969008
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Part no. 6C11-12A650-AK
Ford Transit MK6 2.4 TDDi Diesel Engine Control Unit ECU Manual 6C11-12A650-AK
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Part no. 8639582-3
BMW F30 335i F32 F33 435i N55 306HP Engine Control ECU Kit 8639582 Automatic
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Part no. 6942507-1
MINI Cabrio R52 R53 Battery Cable Lead Positive Plus Pole Wiring 6942507
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Part no. 0165459232
Mercedes Sprinter W901 Central Lock Locking Control Unit Module A0165459232
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Part no. 9110846
BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 9110846
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Part no. A0325453832
Module Mercedes W639 Automatic Transmission Control Module Unit A0325453832
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Part no. 9225099
Battery Cable BMW X3 F25 Red Positive Plus Pole Blow Off 9225099
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Part no. DV6112A650CEC
Ford Transit Connect 1.6 TDCI Engine Control ECU Module Manual DV6112A650CEC
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Part no. A9069006303
Mercedes W906 Fuse Box Control Unit Module ZGS Temic A9069006303
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Part no. 9241973
BMW F01 F02 F07 F10 F11 CAS4 Control Unit Key Reading Module 9241973
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Part no. A6395460121
Battery Cable Mercedes Vito W639 Negative Lead Wiring Harness A6395460121
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Part no. A1645450201
Fuse Box Mercedes ML W164 W251 OM642 Diesel Relay Module Unit A1645450201
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Part no. 6948691
BMW 5 6 Series E60 E61 Driver's Side Door Airbag Control Unit Module 6948691
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Part no. 9208241
Battery Clamp BMW F30 F31 F32 F80 Safety Positive Plus Pole Red 9208241
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Part no. 8H0035225R
Audi A4 B7 Aerial Antenna Amplifier Module 8H0035225R
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Part no. A0061514601
Starter Motor Mercedes Sprinter W203 W204 W211 OM646 Diesel Engine A0061514601
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Part no. 7794626-1
BMW X5 E53 3.0d M57N 218HP ECU Kit DDE + EWS3 + Key 7794626 Automatic Gearbox
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Part no. 6952328
On Board Navigation BMW E60 E63 Display Monitor Screen 8,8" 6952328
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Part no. 9393186
Audio Amplifier BMW F30 F31 LCI F32 Top Hifi Harman Kardon Control Unit 9393186
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Part no. 9170454
BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9170454
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Part no. 7794626
BMW X5 E53 3.0d M57N 218HP ECU Engine Control Unit DDE 7794626 Automatic
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Part no. 8378339
BMW 3 Series E46 Cable Loom Door Rear Left Right N/O/S Wiring Harness 8378338
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Part no. 9176685
Navigation System BMW X3 E83 Z4 E85 Mini R50 R52 DVD GPS Computer Unit
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Part no. 6973983
BMW E60 E81 E87 E90 Snap-in Adapter Basic Telephone NOKIA 6230I
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Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511502620
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Volkswagen Polo 6N Aerial Roof Antenna Base Antenna Unit 1J0035505A
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Renault Trafic Vauxhall Vivaro Relay 4-Pin Blue Unit 252301716R
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Part no. 8600124-3
Mini Cooper R56 LCI R60 N16 Engine Control ECU DME 8600124 CAS3 Key Manual
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Part no. 6966615
BMW 3 X3 X5 Z4 Series E46 E53 E83 E85 E86 Video Module High 6966615
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Part no. A1649007000
Mercedes V251 SAM Body Control Module Rear Unit A1649007000
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Part no. 9119846
BMW E60 E60N E61N LCI M-Audio System Controller CD Player Navi 9186213
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Part no. 06J903023G-1
VW Volkswagen Polo Gti 6R Golf Mk7 Alternator Generator 14V 140A 6J903023G
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Part no. RHD-9322122
Central Information Display BMW F20 F21 F22 F23 Screen 6,5" 9322122
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Part no. A1645402372
Mercedes W164 W251 Fuse Relay Module Rear Fuse Box Unit A1645402372
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Part no. 3456952
MINI Cooper R55 LCI Footwell Light Module Unit High EKS PL3 FRM3R 3456952
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Part no. 9242072
BMW X6 E71 Door Wiring Harness Loom Cables Driver's Side 9242072
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Part no. 9286157
BMW X3 F25 Light Module Control Footwell Lightning ECU Unit FRM3 9286157
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Part no. 9216273
BMW 1 3 E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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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 .