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. 6983536
BMW E60 Light Control Unit Module LCM LM E6X MAN. LWR Lear 6983536
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Kompressor Mercedes W203 W211 M271 Petrol Engine Starter Motor A0051513901
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Audi A8L 4H Head Up Display Hud Project Screen Control Unit Module 4H0919604G
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Mercedes W212 Fuse Box Front Relay Control Unit Module SAM A2129009025
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Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Audi A8 D4 Diesel Engine Fuel Pump Control Unit Module 12V 4H0906093G
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Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118701826
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BMW Z4 F20 F30 E89 Petrol Alternator Generator 170A 7605478
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BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6982391
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Alternator Generator Mercedes W203 W209 M271 Engine Valeo 120A 14V A2711540902
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Mini F55 F56 Control Unit Module Active Sound Design 8717601
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519003203 Manual
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BMW X3 Z4 E39 E46 E60 E65 E83 E85 Petrol M54 Starter Motor 7515390
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BMW Z4 E85 3.0i M54 231HP Engine Control Unit Module ECU DME 7541335 Manual
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Mercedes W164 W204 W211 C216 C219 M273 Starter Motor Assembly A0061513701
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BMW Z4 Series E85 Roadster Cabrio Safety Information Module Airbag 6962767
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Land Rover Freelander TD4 Starter Motor Engine Actuator Diesel NAD101500
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BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9166075
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BMW F23 REM Rear Electronic Module Fuse Box Control Unit V2 9374507
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Audi A3 8P Rear Bumper PDC Wiring Parking Sensor Loom Harness 8P3971085
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Footwell Module BMW E84 Light Control Unit ECU Lear FRM3R PL2 9249080
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8614302 + FEM + 2 Keys
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£BMW E92 E93 330d M57N2 231HP Engine ECU Kit DDE 7805286 + CAS3 + Key Automatic
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Part no. 8733499
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Electronic Unit FEM 8733499
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BMW X1 F48 Dashboard Monitor Display Central NAV Information Screen 6,5" 8803369
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Mercedes W907 DSM ISM Gearbox Control Unit Module Cloning Coding A0002704652
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Mini F56 Active Sound Design Radio Audio Amplifer Control Unit Module 9366112
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BMW E81 E87 E91 LCI Steering Column Switch Cluster Wiper Stalk 9123043
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch 0986024980
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Airbag Module BMW F10 F12 F13 X3 F25 ECU Control Unit Air Bag 6837358
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BMW E87 E90 Front Rear PDC Ultrasonic Parking Sensor SET X4 Kaschmirsilber
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BMW X1 Series F48 Wiring Driver's Side Door Cable Harness 9384569
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Mercedes CLK C209 Body Control Module Unit A2098205926
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Part no. 9798427
BMW F87 LCI M2 Competition S55 411HP Engine Control Unit ECU DME 9798427
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Part no. A0009828323-1
Mercedes W176 W246 Power Relay Control Module 5 Pin 12V A0009828323 Set X2
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Part no. A2049001202
Mercedes W204 S204 Estate Rear SAM Control Unit Module A2049001202
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Part no. 51919499
Vauxhall Opel Combo Positive Battery Cable Lead Wire Cabling 51919499
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Mercedes R171 W204 W212 Starter Motor Bosch M272 Engine Petrol A0061516001
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Part no. 8689723
BMW F20 F21 LCI M140i B58 Petrol ECU Control Unit Module DDE 8689723 Automatic
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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Mercedes W447 Fuse Box Module Cover Trim Trunk A4475460064
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Mercedes W639 109CDI 646.980 Engine ECU Kit Ignition + Key + Lock A6461507272
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BMW 4 Series F33 F83 M4 Convertible Top Module CTM Unit 9371386
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Part no. 079903021D
Audi A4 B6 4.2 BBK Petrol Engine Alternator Generator 079903021D
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Mercedes CL203 CLC 350 M272.960 272HP Engine Module ECU Kit A2721531291 2 Keys
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Mini Cabrio R57 Roof Operating Unit Light Switch Panel 3450545
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Mercedes W169 A150 M266.920 95HP Engine Control ECU Kit A0014460340 Automatic
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Mercedes W204 Head Unit Radio CD Player Audio Sat Nav Control A2049001813
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU DDE 7805287 Automatic
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BMW 1 2 3 4 5 F10 F20 F22 F30 F32 Navigation Sat Nav DAB Head Unit High 9327318
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Part no. 9175886
BMW 5 E60 E61 Front Door Wiring Loom Harness Passenger Side 9175879
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Mercedes Sprinter W906 Fuse Box Relay Module Control Unit A9065454401
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BMW Mini Cooper R50 R52 R53 6-Disc CD Changer Without Magazine 6977767
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BMW 3 F30 LCI 330e B48X Hybrid High Voltage EKMV Wiring Cable Wire 6824109
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Mercedes R172 Cable Beam Engine Wiring Harness Loom A1725400533
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Audi Q2 GA Negative Terminal HV Battery Cable Lead Ground Clamp 5Q0915181J
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Vauxhall Opel Combo Positive Battery Cable Lead Wire Cabling 51871153
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Mercedes W639 Vito 111 CDI OM646 Engine Unit Module ECU A6461532591 Manual
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BMW E65 E66 Dashboard Control Display Screen 8,8" Control Unit 9130563
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Mercedes W177 OM608 Diesel Engine Wiring Loom Harness Cable Loom A6081500400
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Audi Q7 4L Comfort Control Module Unit ECU 4F0907279D
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Mini Cooper Countryman R60 Fuse Distribution Box Module 9812535
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Mercedes W251 R 320 CDI 642.950 224HP Engine ECU Kit A6421506434 Keys Lock
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BMW F10 F11 530d N57 245HP Engine Control Unit ECU Module DDE 8511385 Automatic
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Part no. 6C0937089D
Seat Ibiza 6J Central Body Comfort BCM Interface Module 6C0937089D
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Part no. 7579142-13
BMW 1 3 Series E87 LCI E90 120i 320i Petrol ECU Kit N43 DME 7579142 CAS3 Key
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BMW 1 3 5 6 X1 X3 X5 X6 Z4 Series Relay Change Over Contact Silent Blue 6918816
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Part no. 7508292
BMW 3 Series E46 318i Petrol N42 Engine ECU Control Unit DME 7508292 Manual
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Part no. 3456393
Mini Cooper R56 ECU Footwell Light Module Unit AHL EKS PL3 FRM3R Lear 3456393
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Part no. A2711534279-1
Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711534279 Key Lock
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Part no. 4B0955531A
Audi VW Volkswagen Seat Relay Unit Module 9 Pins 12V UH2 4B0955531A
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Part no. 9393194-1
BMW F30 LCI F31 F32 Top Hifi Audio System AMP Amplifier Harman Kardon 9393194
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Part no. A0005404750
Mercedes-Benz S CL Class W220 C215 Fuse Box Battery Connector A0005404750
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BMW Mini Cooper One R55 R56 1 Multifuse B Battery Power Distributor 9136726
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Part no. 8596362-1
BMW F20 F30 LCI 120dX 320dX B47 Engine ECU Kit DDE 8596362 FEM + Key Automatic
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Part no. A0009828223-1
Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223 SET x2
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Part no. 8C1T12B637KE
Ford Transit MK7 2.2 TDCi Diesel Engine Wiring Loom Harness Cables 8C1T12B637KE
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Seat Ibiza V Audio Stereo Amplifier Control Module 2G0035456
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Part no. 8631668
BMW F20 F21 F30 LCI M140i 340i Wiring Harness Injection Valve Ignition 8631668
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Part no. 3456987-3
Mini Cooper R57 LCI Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456987
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BMW Z4 E85 E86 Basic Body Control Unit Module GM5 Star12 LOW 9116445
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BMW F12 Aerial Amplifier AMP Antenna Supression Filter Module 9227217
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Volkswagen Touareg 7L Power Supply Control Module Unit ECU 7L6937049AF
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Audi TT Mk3 8S 2.0 TDI CUNA 184HP Engine Control Unit ECU 04L907309A Manual
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Parking Sensor Wiring Mercedes W177 V177 Rear Bumper PDC Loom Cable A1775400630
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BMW F20 F30 Head Unit Display Screen Sat Nav Navigation Set 033830N 10,25"
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Audi A5 8T Module Lane Assist Control Unit Rear Right O/S 8K0907566H
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Mercedes-Benz A B Class W176 W246 Diesel Fuse Box Relay Unit A2465402150
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BMW E93 ECU Body Control Module Unit PL2RR JBBFE IIIR H3 Junction Box 9227186
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Mercedes W212 Radio Head Unit COMAND Navi CD DVD Player Control Unit A2129068800
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Part no. A1645453716
Mercedes ML W164 Parking Module PDC Distance Control Unit Sensor A1645453716
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Part no. 6910539
BMW X3 3 Series E83 E46 Battery Cable Plus Pole 6910539
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Part no. 7553735
Mini Cooper R50 R52 DME Petrol Engine Control Unit ECU 7553735 Automatic
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Part no. A0019820823
Mercedes Sprinter W907 4-Pin Relay V23074-H1605-X123 A0019820823
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Part no. A4475404326-1
Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
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Part no. A2079014300
Mercedes-Benz E-Class A207 W207 Convertible Air Module System Control Unit
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Part no. A0009068106
Alternator Generator Mercedes W177 W247 M260 Petrol Engine 150A A0009068106
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Part no. 9317941-1
On-Board Screen BMW F45 F46 Central Information Display Monitor 6,5" 9317941
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Part no. 9666968177
Citroen Berlingo Peugeot Partner CD Player MP3 Radio Stereo Head Unit 9666968177
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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 .