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. 9252816
BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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Audi A8L 4H Voltage Converter Stabilizer Control Module Unit ECU 8K0959663C
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BMW E60 E61 525d M57N 177HP Engine Control Unit ECU DDE 7798422 Automatic
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 9286129
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Mini Cooper S R52 R53 W11 Petrol Engine ECU Kit DME 7542310 Keys EWS Manual
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BMW X5 E70 Navigation System Car Computer CIC DAB X6 E71 9273182
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BMW E65 Passenger Seat Air Module Sensor Control Unit SRS 6960218
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Mercedes W205 W213 Actuator Drive Exhaust Flap Control Unit A2139068601
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Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual AT1112A650BD
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Mercedes W205 W213 Door Module Front Left N/S Control Unit ECU A1679002718
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Audi A1 8X Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8X0035182K
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Cassette Player Citroen Berlingo Peugeot 206 Audio Head Unit 964544367700
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Mini Cooper R56 LCI ECU Footwell Light Module FRM3R LOW EKS Lear 3456034
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BMW E60 E81 E87 E90 E91 CAS 3 Control Unit ECU Key Reading Module CAS3 9147195
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Radio Professional BMW E81 E87 E90 E91 E92 Autoradio CD Player 9205962
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BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6964602
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Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900
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BMW E64 E64N Cabrio Convertible Folding Top Roof ECU Module 6969008
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Ford Transit MK6 2.4 TDDi Diesel Engine Control Unit ECU Manual 6C11-12A650-AK
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BMW F30 335i F32 F33 435i N55 306HP Engine Control ECU Kit 8639582 Automatic
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Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
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MINI Cabrio R52 R53 Battery Cable Lead Positive Plus Pole Wiring 6942507
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Mercedes Sprinter W901 Central Lock Locking Control Unit Module A0165459232
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BMW F10 F20 F30 Battery For Telematics Control Unit Module 9297787
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BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 9110846
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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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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. 6957343
BMW 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
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Fuse Box Mercedes ML W164 W251 OM642 Diesel Relay Module Unit A1645450201
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Part no. 6943834-1
BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 6943834
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Part no. 9302159
BMW X1 E84 E87 E90 E91 E92 LCI Radio CD Professional DAB 9302159
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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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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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On Board Navigation BMW E60 E63 Display Monitor Screen 8,8" 6952328
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Audio Amplifier BMW F30 F31 LCI F32 Top Hifi Harman Kardon Control Unit 9393186
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BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9170454
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BMW X5 E53 3.0d M57N 218HP ECU Engine Control Unit DDE 7794626 Automatic
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BMW 3 Series E46 Cable Loom Door Rear Left Right N/O/S Wiring Harness 8378338
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Navigation System BMW X3 E83 Z4 E85 Mini R50 R52 DVD GPS Computer Unit
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Mercedes GLA X156 Tailgate Lift Boot Lid Control Unit Module A2469003615
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BMW 7 Series E65 E66 E67 Antenna Amplifier Diversity 6933666
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Part no. A6511502620
Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511502620
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Part no. 1J0035505A
Volkswagen Polo 6N Aerial Roof Antenna Base Antenna Unit 1J0035505A
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Part no. 252301716R
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. RHD-9322122
Central Information Display BMW F20 F21 F22 F23 Screen 6,5" 9322122
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Part no. A0009003505
Module Mercedes W205 Fuel Pump Control Module In Trunk Rear ECU A0009003505
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Part no. 3456952
MINI Cooper R55 LCI Footwell Light Module Unit High EKS PL3 FRM3R 3456952
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BMW X3 F25 Light Module Control Footwell Lightning ECU Unit FRM3 9286157
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BMW F10 LCI Central Looking Control Module Unit ECU 9313996
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BMW 1 3 E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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BMW E60 Light Control Unit Module LM E6X Lear 6948578
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Part no. 9237047-1
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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Part no. 6975015-1
BMW X1 Z4 E81 E84 E87 E88 E89 E90 E91 E92 1 Radio Business CD 6975015
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Part no. A0015424723-1
Mercedes W204 W207 W221 Parking Sensor Display Control PDC A0015424723
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Part no. 8570673-2
Alternator Generator BMW F07 F10 F11 FN57N N57Z Diesel Engine Valeo 8570673
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Part no. 4E0955559C
Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C
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Part no. A6429060900
Mercedes W204 W207 W212 W221 Starter Motor A6429060900
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Part no. A0045428718
Mercedes-Benz C E W203 W211 Parking Sensor Wiring Loom Cable Harness Front PDC
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Mercedes W213 C238 Tyre Pressure Monitor Sensor Module Unit TPMS ECU A0009002013
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Part no. 9200447-1
BMW E90 M-Audio System CD Player Controller Navigation Sat Head Unit 9200447
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Part no. 9383700
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9383700
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Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530D
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Radio Head Unit Mercedes W207 W212 COMAND Navi CD Player Navigation A2189005607
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BMW E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9240527
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Part no. 6918529
Radio Boost Mini R50 R53 Dolby Cassette Tape Player Control Unit Module 6918529
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Part no. 9230450-2
BMW E93 LCI Footwell Light Control Unit Module Lear FRM3R PL2 9230450
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Part no. 02Z911021C
Volkswagen Polo 6C Starter Motor Actuator 1.4 TDI Diesel Engine 02Z911021C
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Part no. 7788680-1
BMW E46 E60 E61 E65 E83 E53 M57N Starter Motor LRS01964BN
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Part no. 03P906021A
Volkswagen Polo MK5 6R 1.2 TDI CFWA Engine Unit Module ECU 03P906021A
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Part no. A2469008311
Mercedes W176 PDC Parking Distance Sensor Module Control Unit ECU A2469008311
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Mercedes A238 Control Unit Module Amplifier Premium Sound A2139009020
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Mercedes Sprinter W906 OM646 Engine Diesel Alternator Generator A6461540002
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Mercedes V177 Seat Control Module CSMM Front Right O/S A2479005807
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BMW F40 F45 X1 F48 Mini F55 F56 Control Unit SAS Module ECU 9505275
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Audi S5 8T Quattro 4.2 FSI Petrol V8 CAUA Alternator Genarator Valeo 079903015F
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Part no. 3456588-2
Mini R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456588
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Mini Cooper R55 R56 R57 CCC CD Navigation Sat Nav Head Unit 9170730
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BMW E92 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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BMW F10 F11 Battery B+ Engine Compartment Terminal Point 9214243
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Part no. 9270034
MINI Cooper One F55 F56 F57 Rear Antenna Aerial Amplifier DAB 9270034
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PDC Module Citroen C4 Berlingo Peugeot Parking Assist Control 0263004204
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Mercedes ML W166 Diesel OM642 Engine Automatic Transmission Wiring Harness
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Part no. 7801712-3
BMW 3 5 Series E60 E90 330d 530d M57N2 ECU Engine Kit DDE 7801712 CAS2 + Key
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Part no. 4154935-1
Radio Business BMW X3 E83 Z4 E85 E86 CD Player Head Unit 4154935
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Part no. 6929101
BMW 6 Series E63 E64 Front Central Bass Subwoofer Speaker HiFi 6929101
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Part no. 8639582-1
BMW F30 335i F32 F33 435i N55 306HP Engine Control Unit ECU 8639582 Automatic
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Part no. 2354693-5
BMW 3 5 X3 Series E46 E60 E65 E83 5 M54 Petrol Engine Starter Motor 2354693
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Part no. 8512047-3
BMW E90 E91 LCI N47N 320d ECU Kit Basic DDE Control Unit 8512047 + CAS3 + Key
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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 .