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. A2129005010
Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129005010
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CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional Head Unit 9258167
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BMW F07 GT F10 F11 Hands Free Telephone Microphone Black 9181411
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Mercedes W207 A207 SAM Control Unit Module Fuse Box Rear A2129004222
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BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7809001 + CAS3 Key
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Peugeot 207 CD Player Radio Stereo Head Unit 96643697XT00
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519000700 Key Lock
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BMW E81 E87 E90 MULF Hands-free Electronics Charging Module 9200821
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BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9129850
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Mercedes W164 OM629 Diesel Engine Motor Wiring Loom Cable Harness A6291501933
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BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5" 9179808
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Mini Cooper R56 LCI R60 N16 122HP Engine Control Unit Module ECU DME 8600124
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Audi Q5 8R 2.0 TDI Quattro Alternator Generator 03L903017B
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BMW F10 Touch Detection Module Steering Wheel Control Unit HOD F45 i3 6867308
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BMW E81 E82 E87 LCI E90 Radio Business CD Player Unit 9210510
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Mercedes SLK R171 Roadster Fuse Box Control Unit SAM Module Relay A1715451301
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Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079012200
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Citroen Berlingo Peugeot Partner Body Control Module BSI Unit 967847688001
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Audi A4 B9 Front Door Control Module Unit Driver's Side 8W0959593E
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Battery Starter Wiring Mercedes W176 W246 Harness Cable Positive A2465407932
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Display Screen Mercedes W176 W246 Radio Navigation Sat Nav Head Unit A2469013702
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BMW 3 Z4 Series E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6985501
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Volkswagen New Beetle Earth Ground Cable Negative Battery Lead Wiring 1C0971235A
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BMW X5 E53 3.0i Petrol M54 Alternator Valeo 140A 7551252
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BMW Z4 E85 E86 Basic Body Control Unit Module GM5 Star12 LOW 9116445
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Part no. A1699002500
Mercedes W169 W245 W639 W906 Head Unit Radio Media Player Navigation A1699002500
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Audi A7 S7 4G 4.0 TFSI Petrol Engine Alternator Generator 079903015P
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Mini Cooper Cabrio R57 High SPEG PL3 DC/DC H5 Fuse Distribution Box 3455242
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BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9204842
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Renault Master III Vauxhall Movano B 2.3 DCi Diesel Starter Motor 233003407R
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Mercedes W205 SAM Module Fuse Box Relay Control Unit A2059008204
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9294309
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BMW F01 F02 LCI Cable Loom Door Driver's Side Wiring Harness 9262859
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Part no. A2128703689
Mercedes W212 W221 Rear DVD Entertainment System Video Player Unit A2128703689
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Part no. A2468200526
Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A2468200526
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Part no. 9247472-3
BMW E87 ECU Body Control Module Junction Box PL2RR H2 9247472
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BMW 5 Series E61 Touring Body Control Module ECU Unit KBM High 9168835
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Part no. 13222935-1
Vauxhall Corsa D 1.3 CDTi Alternator Generator Electrical Unit 101210-0961
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Part no. 8625068-1
Mini Cooper R56 LCI R58 N16 1.6 122HP Engine ECU Kit DME 8625068 CAS 3 + Key
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Part no. 8574351-4
BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 CAS3 Key Automatic
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Part no. 23300JG70A
Nissan Qashqai Diesel Engine Starter Motor Actuator Starter 23300JG70A
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Part no. 4H0907063CF
Audi A6 C7 Board Supply Comfort BCM Body Control Module Unit ECU 4H0907063CF
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Mini Cooper R55 R56 R57 CCC CD Navigation Sat Nav Head Unit 9170730
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Part no. 4G0907468G
Audi A7 4G8 Central Gateway Control Lear Module Unit ECU 4G0907468G
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Mercedes W167 W256 USB Charger Connecting Unit A1678201302
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BMW Mini Cooper 9 R55 R56 R57 N12 1.6 ECU Kit DME CAS 3 Key 7600020
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BMW E46 Door Cable Convertible Wiring Loom Front Cables 6913092
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BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8513242 Automatic
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BMW F10 F20 F30 Head Unit Basis Media Navigation Headunit 8791692
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Part no. 9185524
BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9214925
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Part no. A2129006924
Mercedes W207 W212 SAM Module Fuse Box Relay Control Unit A2129006924
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Part no. A1695450632
Mercedes W169 PDC Parking Distance Control Unit Module Rear A1695450632
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Part no. 8K0959795G
Audi Q5 8R Rear Door Control Module Unit ECU Left Right N/O/S 8K0959795G
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Part no. 8P0959655H
Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655H
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Part no. 6782283
BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022065
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Engine Module Wiring BMW F07 GT F10 F11 Diesel N57N Injectors Harness 7823755
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Part no. 7589971-13
Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME 7589971 CAS3 Key Automatic
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BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9153804
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Part no. 6989136-1
BMW E60 E61 E63 PDC Rear Parking Sensor Ultrasonic Titangrau II - A08 6989136
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Part no. 31200-RSH-E01
Starter Motor Honda Civic Jazz Petrol Engine Starter Actuator 31200-RSH-E01
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Part no. 90464760
GM Vauxhall Opel Relay 4-Pin Glow Plug Unit Black Tyco 90464760
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BMW X3 F25 X4 F26 Central Gateway Module Control Unit Lear ZGW-02 9266410
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Part no. 5A402F3
Mini Cooper F54 F55 F56 ECU Body Domain Controller BDC Module Unit 5A402F3
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Part no. 6947795
BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6947795
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Part no. 9326010
Radio Player BMW F20 F21 F30 F31 CD DAB Bluetooth Head Unit Audio Player 9326010
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Part no. A2045401307
Mercedes W204 Centre Console Lightning Dashboard Cable Wiring A2045401307
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Part no. 8K0907801K
Audi A4 B8 Parking Brake Control Module Unit ECU 8K0907801K
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Part no. 7E0971794A
Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A
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Part no. 9284284
BMW 5 Series F11 ECU Body Control Module V7 Junction Box PL6 JBBFE III 9284284
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Part no. 9312917
BMW X3 F25 Central Gateway Module Control Unit Lear 9312917
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Part no. 7N0959792
Skoda Yeti 5L Door Control Unit Module ECU Passenger's Side 7N0959792F
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Part no. 9170721
BMW E90 E91 E92 Professional CCC Navigation System Controller 9170721
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Part no. 9352861-1
FEM Module BMW F20 F22 F30 F32 ECU Control Unit Fuse Box 9352861
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Part no. 8P0907279F
Audi A3 8P Fusebox Body Control Comfort Module BCM Unit ECU 8P0907279F
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Part no. 057911024
Audi A4 B9 A5 F5 Q7 4M Q5 FY VW Volkswagen Touareg Mk3 Starter Motor 057911024
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Part no. 8W0907217B
Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B
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Part no. 04L907309E-2
Audi A1 8X 1.6 TDI CXMA 115HP Engine ECU Kit 04L907309E Ignition + Key Manual
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Part no. A2049069701-1
Mercedes W204 Radio Player Audio 20 Navi CD Player Head Unit A2049069701
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Part no. 8W0035502C
Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502C
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Part no. 7527610-6
MINI R50 One 1.6 W10 90HP Engine ECU Kit DME + EWS + Key 7527610 Automatic
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Part no. 5A872D1
BMW F40 Telematics Control Module Unit TCU 5A872D1
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Mercedes W177 Turbo Engine Wiring Warness Loom A2821503400
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Part no. 7580279-1
BMW E81 E87 LCI E90 E91 118i 318i N43 143HP Engine ECU DME 7580279 Automatic
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Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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Audi A4 B8 Rear Wiring Loom PDC Harness Parking Sensor 8K0971104F
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Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038201285
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Mercedes Sprinter W907 W910 Body Control Module ECU A9079007404
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Mini Cooper R58 High PL3 SPEG H8 Fuse Distribution Box Control Unit 3456859
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Audi A6 C6 Safety Ultra Sonic Alarm Movement Detector Module Unit 4F0910177
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Part no. A0009051302
Mercedes W166 W176 W246 Radar Sensor Front Control Unit Module A0009051302
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Part no. 9826048080
Citroen Relay 2.2 HDI Engine Starter Motor Diesel 9826048080
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Part no. A6461507172-1
Mercedes W639 Vito OM646.980 116HP Engine Module ECU Kit A6461507172 Key Lock
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Part no. 7561684-10
BMW E60 530i E90 330i N52 258HP Engine Control Unit ECU DME 7561684 Automatic
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Part no. 7530357
BMW Mini Cooper S R52 R53 Auxiliary Wiring Harness Servo Pump 7530357
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Part no. A2107600204
Mercedes-Benz W210 Rear Left Right Door Interior Handle Pull Cable A2107600204
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Part no. AC1112A650BA
Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit Module ECU AC11-12A650-BA
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Part no. 8512411-1
BMW X5 E70 LCI 40dX N57S 306HP Engine ECU KIT DDE 8512411 CAS3 Key Automatic
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Part no. 03L903023-1
Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023
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Part no. A1669004302
Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302
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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 .