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. A2095451101
Fuse Box Mercedes W203 W209 Front Relay Control Unit Module SAM A2095451101
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Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223H
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BMW 3 5 X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182 DAMAGE
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BMW F01 LCI Facelift Footwell Module Unit LED TEMIC FRM III 9285930
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BMW 5 Series E60 E61 Centre Console Switch DTC PDC 6969418
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Ford Transit Mk7 Engine Alternator Generator Unit Diesel AC1T10300BB
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BMW F15 F16 F31 F36 Module Control Unit Trunk Lid Rear Tailgate Lift 7384722
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Mercedes W176 A200 CDI OM651.930 136HP Engine Module ECU A6519009502 Automatic
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BMW 3 E93 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9364819
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Fuse Box Mercedes W212 Front Relay Control Unit Electric Module SAM A2129000006
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Starter Motor Mercedes W639 W906 Diesel Engine A0009062302
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BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
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Door Module BMW E39 Passenger Door Control Module Hella 8378766 6904242
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Seat Wiring BMW X3 F25 X4 F26 Cable Loom Harness Passenger's Side 9316662
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Seat Module BMW E60 E61 E65 E66 Front Control Unit ECU 6927313
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Central Gateway BMW F01 F06 F10 LCI Module ECU Control Unit 9372743
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Air Module Sensor Mini R57 Cabrio Convertible Crash Control Unit ECU 9807168
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Amplifier BMW F30 F31 F32 F33 F34 F36 Active Sound Design Audio Module 2448166
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Audi A4 B7 Audio Radio Aerial Amplifier Control Unit Harman Becker 8E9035223D
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Peugeot 207 Airbag Module ECU Control Unit Sensor Air Bag 9663593380
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BMW X5 Series E53 HiFi Audio System DSP Amplifier Module Unit Lear 6933875
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
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Starter Motor Honda Civic Jazz Petrol Engine Starter Actuator 31200-RSH-E01
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Mini Cooper One Clubman R55 R56 R58 R59 R60 Starter Motor 1.6 Engine 7550017
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Engine Wiring BMW X3 G01 X4 G02 B57 Diesel Module 2 Loom Harness 8588681
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Audi A6 C6 Safety Ultra Sonic Alarm Movement Detector Module Unit 4F0910177
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Starter Motor Land Rover Freelander 2 Diesel Engine Actuator LR003468
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BMW E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533
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Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AC
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BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286238
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Parking Sensor Mercedes W169 W204 W212 PDC Sensor Front Mountain Gray 787
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Mercedes ML W163 SRS Control Module Sensor Unit Temic A1635422218
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Mercedes-Benz CLK W208 Front Left Right Door Interior Handle Bowden Pull Cable
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Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME CAS 3 + Key 7587548 Manual
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BMW F10 F11 535d F13 640d N57Z 313HP ECU Kit DDE 8578115 Key CAS4 Automatic
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Part no. 7446712
BMW F23 Cabrio Convertible Folding Top Roof ECU Control Unit CVM Module 7446712
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Part no. 8W0907468C
Audi A4 B9 Body Gateway Module ECU Control Unit 8W0907468C
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Part no. 04L903017E
Audi A4 8K 2.0 TDI Diesel Engine Alternator Generator 04L903017E
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Part no. A1725400950
Mercedes SLK R172 Relay Fuse Box Control Unit A1725400950
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Part no. 5B4E029
Remote Control Receiver BMW X5 G05 U06 Mini F65 Receiver Radio Module 5B4E029
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Mercedes CL203 Head Unit CD Player Radio Audio Controller Unit A2039000000
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Antenna Amplifier BMW E82 E90 E92 Diversity Signal Boost 6928934
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Mercedes-Benz C-Class W203 CD Player Audio Stereo Radio Head Unit A2038201786
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Mini Cooper One R56 R57 LCI Amplifier Hifi Harman Kardon 9217877
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Speed Sensor Mercedes Sprinter W906 Impuls Control Unit Module A0155429317
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BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651
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Part no. A2215408745
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408745
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Part no. A2125452640
Mercedes W212 Control Unit Module Bracket Holder Mount A2125452640
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Part no. 06F903023FX
Audi A4 B6 B7 A1 8X 1.9 TDI 2.0 TDI Engine Alternator Generator 06F903023FX
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BMW 3 Series E36 Cable Harness Door Rear Right O/S Wiring Loom 8379056
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Radio Tape Player Jaguar XJR XJ6 X300 Audio Control Unit Cassette AJ9500R
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BMW E60 E61 E63 Professional CCC Navigation System Controller 9156230 DAMAGE
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BMW F06 F12 F13 E63 Antenna Module Multi band Antenna GPS TEL Left N/S 9396830
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Boardmonitor BMW X3 E83 Central Information Display Screen 6,5" 3420851
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BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494
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Part no. 7327886
Tailgate Module BMW F01 F10 Rear Boot Trunk Lid Control Unit ECU 7327886
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Mini Cooper One R50 Petrol W10 W11 Engine Control Unit DME 7520019 Manual
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Audi A4 B8 A5 8T Radio Media Player Audio CD Head Unit Player Concert 8T2035186C
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BMW F30 F31 F32 Control Unit Module Active Sound Design 6820696
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BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7801710
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Part no. 7799854-1
BMW 1 3 Series E87 E90 M47N2 118d 318d 122HP ECU KIT DDE + CAS2 + Key 7799854
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Part no. 7587548-2
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS 3 + Key Manual
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Mercedes W164 ML350 CDI OM642.820 231HP Engine Control Unit ECU A6429002900
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Part no. 8XA959655
Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655
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Part no. 6805061
BMW F45 F46 Mini F55 F56 F57 Parking Assistant PDC Control Unit Module 6805061
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Part no. A2035452901
Mercedes-Benz C-Class W203 Fuse Box Control Unit Module SAM A2035452901
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Part no. A2649060400
Mercedes W205 W257 Starter Engine Motor A2649060400
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Part no. 8571905-1
BMW 1 2 3 Series F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
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Part no. A1729008600
Mercedes W204 Display Screen Multimedia Navigation Dashboard Unit A1729008600
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Part no. 8507136
BMW E90 LCI 330d N57 245HP ECU Engine Control Unit DME Automatic Gearbox
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Part no. 9197161
BMW 1 Series E82 ECU Footwell Light Module Control Unit PL2 FRMFA 9197161
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Part no. 6829104
Head Unit BMW F20 F21 F30 F31 LCI Radio Media Player Sat Nav High 2 6829104
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BMW F07 GT Light Control Footwell Module Unit ECU FRM III 9236459
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BMW 3 5 6 Series E60 M5 E64 M6 E90 E93 M3 Accelerating Sensor
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Part no. 9152325
BMW E93 Convertible Cabrio Rear Bumper TV Aaerial 9152325
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Part no. 1T0971120AC
Volkswagen VW Touran Door Harness Loom Cable Wiring Front Passenger 1T0971120AC
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Part no. A2129009425-1
Mercedes SLK R172 Fuse Box Relay Control Unit SAM Module A2129009425
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Part no. 4L0907290A
Audi Q7 4L Door Control Unit Module ECU Front Right O/S 4L0907290A
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Part no. A2124401251
Door Cable Mercedes W212 Wiring Loom Front Right O/S Driver Side A2124401251
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Part no. 8380698
BMW E38 E53 E86 F15 Mini R50 Diagnoctic Socket Connector Plug Housing 8380698
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Mini Cooper One 1 R55 R56 R57 Radio Boost CD Player Head Unit 3452681
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Part no. A9068200486
Radio Player Mercedes W639 W906 Audio Stereo CD Head Unit Display A9068200486
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Dashboard Monitor BMW F30 F31 Display Central Information Screen 6,5" 9270393
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Mini Cooper One R56 LCI Footwell Light Module High EKS PL3 FRM3R Lear 3456952
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Part no. 7316186
BMW F30 F31 Xenon Adaptive Headlight Control Unit Module Lear TMS 7316186
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Part no. 6924879
Front Seat Module BMW E60 E61 E65 E66 Control Unit ECU 6924879
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BMW E90 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Mercedes W211 W219 Earth Ground Cable Battery Wiring Loom Engine A2115420518
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Part no. A2059065806
Mercedes W205 W213 C253 Fuse Box Front Relay Control Unit Module A2059065806
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Part no. Mini Lodgesons
MINI Cooper R50 Lodgesons Steering Wireless Control Unit Module System
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Part no. 8655341
BMW X1 F48 Differential Lock Module Rear Axle Control Unit ECU 8655341
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Part no. 9226347
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9226347
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Part no. A2218705885
Mercedes W221 Night Vision System Camera Module Control Unit A2218705885
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Part no. 6916097
BMW X5 E53 E65 Bulb Parking Light Headlight Front Lighting 12V 10W
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Part no. 7L6937049N
Volkswagen Touareg 7L Onboard Supply Comfort Unit Module Unit ECU 7L6937049M
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Part no. A2128702751-1
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702751
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Part no. 6908948
BMW E39 6-disc CD Changer without Magazine 6908948
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Part no. 7851568
BMW F80 M3 F82 M4 Actuator Drive Exhaust Flap 7851568
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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 .