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.
Make
Category
Subcategory
Condition
In Stock
Price

Part no. 022911024K
Volkswagen VW Golf V 1.6 TDI Diesel Engine Starter Motor 022911024K
Product currently unavailable

Part no. 8P3035382E
Audi A3 8P Boot Trunk Subwoofer Rear Bass Speaker 8P3035382E
Product currently unavailable

Part no. A6511504633
Engine Wiring Mercedes W204 W212 OM651 Diesel Harness Loom Cable A6511504633
Product currently unavailable

Part no. 6876863
BMW F40 F45 Mini F55 F56 Front Suspension Strut Protective Cap Cable VDC 6876863
Product currently unavailable

Part no. 7578032
BMW E81 E87 LCI E90 E91 N43 Petrol Engine Control Unit ECU DME 7578032 Manual
Product currently unavailable

Part no. AV6N-10300-GC
Alternator Ford Focus MK3 Fiesta MK6 1.6 TDCi Engine Generator AV6N-10300-GC
Product currently unavailable

Part no. 9187903-2
CD Player BMW E60 E61 LCI E63 E64 Radio Stereo CHAMP Business Head Unit 9187903
Product currently unavailable

Part no. 7548769-1
BMW 5 Series E60 520i Engine M54 170HP ECU Kit DME 7548769 CAS2 + Key Automatic
Product currently unavailable

Part no. 8506666-3
Mini Cooper D R56 LCI 112HP Diesel N47N Engine ECU Kit DDE 8506666 CAS3 Key
Product currently unavailable

Part no. A6421506434-1
Mercedes W251 R 320 CDI 642.950 224HP Engine ECU Kit A6421506434 Keys Lock
Product currently unavailable

Part no. A6461506372
Mercedes W906 311 CDI 109HP OM646.985 Diesel Engine Control Unit ECU A6461506372
Product currently unavailable

Part no. 7848603
Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603
Product currently unavailable

Part no. A2028207426
Mercedes W202 W208 Anti Theft Alarm Module Control Unit ECU A2028207426
Product currently unavailable

Part no. 7512912-1
BMW X5 E53 4.4i M62 286HP Engine ECU Kit DME 7512912 + EWS3 + Key Automatic
Product currently unavailable

Part no. 3456952-3
Mini Cooper R58 Footwell Light Module Unit High EKS PL3 FRM3R Lear 3456952
Product currently unavailable

Part no. 7610009-2
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7610009 CAS3 + 2 Keys Manual
Product currently unavailable

Part no. 6796393
BMW F01 F07 F10 F12 HSR Active Steering Module Rear Axle Control Unit 6796393
Product currently unavailable

Part no. 3452678
Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3452678
Product currently unavailable

Part no. 2447522
Telematics Module BMW F10 F20 F30 Bluetooth Communications Control 2447522
Product currently unavailable

Part no. 8K0907364A
AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
Product currently unavailable

Part no. 4F0907279B
Audi A6 C6 Body Control Comfort Unit Module BCM Convenience Unit 4F0907279B
Product currently unavailable

Part no. 1437967
BMW E46 M43 Engine Wiring Loom Harness Ignition Module Cable 1437967
Product currently unavailable

Part no. A2649001000
Mercedes W205 Petrol Engine Alternator Electrical Cable A2649001000
Product currently unavailable

Part no. 7552176-5
BMW E87 E90 118i 318i N46 129HP Engine Control Unit ECU Kit DME 7552176 CAS2 Key
Product currently unavailable

Part no. A2129005622
Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129005622
Product currently unavailable

Part no. F30 On-Board Screen
BMW F30 On-Board Screen 8,8" Android Infotainment System F30_NBT
Product currently unavailable

Part no. 6989170-1
BMW 7 Series E65 E66 1 Rear Bumper PDC Ultrasonic Sensor Titansilber Silver 354
Product currently unavailable

Part no. 9364819
BMW 3 E93 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9364819
Product currently unavailable

Part no. A6111534979
Mercedes-Benz Vito Viano W639 Engine Control Unit Module ECU A6111534979 Manual
Product currently unavailable

Part no. 233003329R
Renault Clio Megane Scenic Diesel Engine Starter Motor 233003329R
Product currently unavailable

Part no. 5N0971228F
Audi Q3 8U Battery Positive Terminal Cable Plus Pole Wiring Harness 5N0971228F
Product currently unavailable

Part no. A0009057802
Crash Impact Sensor Mercedes C118 W177 W205 W247 Acceleration Unit A0009057802
Product currently unavailable

Part no. A0005400650
Mercedes Sprinter W901 W638 Fuse Box Relay Control Unit Module A0005400650
Product currently unavailable

Part no. 9137056-1
BMW 5 7 Series 1 E60 E65 Sunroof Sliding Roof Drive Unit Motor Actuator
Product currently unavailable

Part no. 1308310404
BMW F46 LED Headlight Control Module Unit 1308310404
Product currently unavailable

Part no. 7620987-2
Mini R56 LCI One 55kW N16 1.6 75HP Engine ECU Kit DME CAS 3 + Key 7620987
Product currently unavailable

Part no. 6940923
BMW X5 Series E53 GM III General Body Control Module Unit ECU Lear 6940923
Product currently unavailable

Part no. 5WA959436J-1
Audi A3 RS3 8Y Keyless Go Module ECU Entry Control Unit 5WA959436J
Product currently unavailable

Part no. 9177871
BMW E60 LCI E61 Map Fuse Box Grouping Diagram Card 9156547
Product currently unavailable

-5%
Part no. 02M911023M
Volkswagen VW Golf Mk5 1.6 2.0 GTI Petrol Engine Starter Motor 02M911023M
Product currently unavailable

Part no. 7583225-4
BMW E81 E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7583225 CAS3 + Key
Product currently unavailable

Part no. 5B48520
Head Unit BMW F40 F44 Radio Player Navigation Control Module Alpine 5A291C5
Product currently unavailable

Part no. 8P0907115AP-1
Audi S3 8P 2.0 TFSI CDLA 265HP Engine ECU Kit Ignition + Key 8P0907115AP Manual
Product currently unavailable

Part no. 9343739
Audio Amplifier BMW F20 F21 F22 F23 Top HiFi Harman Kardon Control Unit 9343739
Product currently unavailable

Part no. 3442133-2
Aerial Roof Antenna Mini R56 Base Unit Module R55 R57 3442133
Product currently unavailable

Part no. A0015429619
Mercedes R129 W202 Relay Green Control Unit 12V 30A A0045450405
Product currently unavailable

Part no. A0155457032
Mercedes W124 S124 Ignition Engine Control Unit Module A0155457032
Product currently unavailable

Part no. 8C1T14A073CG
Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T-14A073-CG
Product currently unavailable

-5%
Part no. 8385157-1
BMW X3 3 Series E46 E83 LCI 1 Start Point Housing Bracket Base B 8385157
Product currently unavailable

Part no. 402110362
BMW E60 E63 E87 E90 Starter Motor Diesel Engine Actuator RTX 402110362
Product currently unavailable

Part no. 3AA919475N
Volkswagen Passat B7 PDC Parking Assistant Module Control Unit 3AA919475N
Product currently unavailable

Part no. 6927264
BMW E60 E61 E65 E66 Seat Control Unit Module ECU Sensor 6927264
Product currently unavailable

Part no. 6906598
Mini Cooper One R50 R52 R53 JCW Fuse Relay Electrical Box Housing 6906598
Product currently unavailable

Part no. 9X2Q12A650PAD
Jaguar XF X250 3.0 D AJV6D Engine Control Unit ECU 9X2Q12A650PAD Automatic
Product currently unavailable

Part no. 7589971-11
Mini One R56 N12 95HP ECU Engine Control Kit DME 7589971 + CAS3 + Key Automatic
Product currently unavailable

Part no. 3452071-1
BMW Mini Cooper R55 R56 R57 CCC CD DVD Navigation Sat Nav Head Unit 9185540
Product currently unavailable

Part no. 4F0910553D
Audi A6 C6 Adaptive Suspension Software Module Control Unit ECU 4F0910553D
Product currently unavailable

Part no. A4475404326
Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
Product currently unavailable

Part no. 6914666
BMW E65 E66 Front Seat Occupancy Sensor Mat 6914666
Product currently unavailable

Part no. 6922666
BMW 7 Series E65 Spare Key Fob Emergency Adapter Case Holder Mount Slot 6922666
Product currently unavailable

Part no. 1308310406
BMW F46 Light Control Module Unit Basis 1308310406
Product currently unavailable

Part no. A2115456532
SAM Module Mercedes W211 C219 Front Body Comfort Control Unit ECU A2115456532
Product currently unavailable

Part no. 9317173-1
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V 19317173
Product currently unavailable

Part no. A2139007929
Mercedes W213 GLC X253 Hybrid High Voltage Battery Inverter Module A2139007929
Product currently unavailable

Part no. 6925903
BMW Z4 Series E85 Rear Bumper PDC Cables Wiring Loom Set 6925903
Product currently unavailable

Part no. 1740374
BMW E34 E36 E39 E46 Starter Motor 1,4KW BOSCH 1740374
Product currently unavailable

Part no. 059911024G
Audi A6 C6 ASB 3.0 TDI V6 Starter Motor 059911024G
Product currently unavailable

Part no. 6C1T-14A076-A
Ford Transit Fuse Box Cover Electrical Unit Housing Lid Trim Cap 6C1T-14A076-A
Product currently unavailable

Part no. 7522057
BMW E65 E66 730i M54 Diesel Battery Cable Starter-Base B+ 7522057
Product currently unavailable

Part no. A1679052401
Crash Impact Sensor Mercedes C118 W177 W247 Front Acceleration Unit A1679052401
Product currently unavailable

Part no. 6949171
BMW E90 E91 E92 Professional CCC Navigation System Controller 6949171
Product currently unavailable

Part no. 8E0951253
Fuel Pump Module Audi A4 B7 A6 C6 Q7 4L Sender Control Relay Unit ECU 8E0951253
Product currently unavailable

Part no. 7583225-12
BMW E81 E87 LCI E90 E91 N43 118i 318i ECU Kit DME 7583225 CAS3 + Key Manual
Product currently unavailable

Part no. CARPLAY-A5-8T
Audi A5 8T Head Unit Multimedia Screen Display CarPlay Infotainment Unit
Product currently unavailable

Part no. 6955253
BMW X3 X5 E46 E53 E83 Towing Hitch Trailer Hook Module Control Unit
Product currently unavailable

Part no. 9264976
BMW X5 E70 Seat Control Unit Module Front Left ECU 9264976
Product currently unavailable

-5%
Part no. 059903143K
Audi A4 B7 A6 C6 Alternator Bracket Pulley Mount Holder 2.7 3.0 TDI 059903143K
Product currently unavailable

Part no. A6401502579-1
Mercedes W169 200CDI OM640.941 140 HP Engine Module ECU Kit A6401502579 Key Lock
Product currently unavailable

Part no. A9065450003-2
Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003
Product currently unavailable

Part no. A1765405905
Mercedes W176 Center Console Wiring Loom Electrical Harness A1765405905
Product currently unavailable

Part no. 7806976-6
BMW E70 E71 3.0d M57N2 235HP Engine Control ECU KIT DDE 7806976 CAS3 Key
Product currently unavailable

Part no. A2059007218-1
Mercedes GLC X253 Rear Trunk Lid Automatic Closing Lock Mechanism A2059007218
Product currently unavailable

-5%
Part no. 3404975
BMW X3 Series E83 E83N LCI Solar Sun Light Sensor 3404975
Product currently unavailable

Part no. A0025423819
Mercedes-Benz E-Class S211 W211 Battery Relay Module Unit A0025423819
Product currently unavailable

Part no. 6934122
BMW X5 E53 E60 E65 X3 E83 Adaptive Headlight ECU Control Unit 6934122
Product currently unavailable

Part no. A6471532079
Mercedes-Benz W211 E270 CDI Engine Control Unit Module A6471532079 Automatic
Product currently unavailable

Part no. 1K0035186AF
Radio CD Player VW Volkswagen Golf 5 Passat B6 Head Unit MP3 RCD 300 1K0035186AF
Product currently unavailable

Part no. 9159047-1
BMW X5 X6 E70 E71 CCC CD Professional Navigation System Controller 9159047
Product currently unavailable

Part no. 6935920
BMW Z4 Series E85 Driver's Side Door Airbag Control Unit Module 6935920
Product currently unavailable

Part no. 059903018TX
Audi A7 4G 3.0 TDI Alternator Generator 059903018TX
Product currently unavailable

Part no. 8P0907063AD
Audi TT 8J Body Comfort Control BCM Module Unit ECU 8P0907063AD
Product currently unavailable

Part no. 8507202-1
BMW E90 E91 LCI 318d N47N 143HP ECU Kit DDE 8507202 CAS3 Key Manual
Product currently unavailable

Part no. 7591534-2
Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
Product currently unavailable

Part no. A2711500391-6
Mercedes R172 BlueEFFICIENCY 271.861 184HP Engine ECU Kit A2711500391 Keys Lock
Product currently unavailable

Part no. A6401502433
Engine Wiring Mercedes W169 W245 OM640 Cable Loom Harness A6401502433
Product currently unavailable

Part no. A1648220230
Mercedes W164 W212 Alarm Sensor Warning Buzzer Module Unit A1648220230
Product currently unavailable

Part no. 6G9210E887EE
Land Rover Freelander 2 Navigation Nav Reader DVD CD Control Unit 6G9210E887EE
Product currently unavailable

Part no. 6943419
Mini Cooper One R50 R53 Wave Radio Cassette Headunit Tape Player 6943419
Product currently unavailable

Part no. A2105460241
Mercedes-Benz E-Class W210 S210 Battery Cable Box Connector Right A2105460241
Product currently unavailable
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 .