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. 7806976-6
BMW E70 E71 3.0d M57N2 235HP Engine Control ECU KIT DDE 7806976 CAS3 Key
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BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9257038 6809374
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SAM Module Mercedes W205 GLC X253 Front Body Comfort Control Unit A2059007845
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Audi A6 C8 Air Module Control Unit ECU Crash Control Computer 4N0959655AJ
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BMW E81 E87 LCI 130i N52N 258HP Engine ECU Kit DME 7581123 + CAS3 + Key Manual
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BMW E46 Radio Business Cassette Player Audio Control Head Unit 6902659
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Engine Wiring Mini R56 LCI R60 N18 Loom Harness Injection Valve Ignition 7621309
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Audi A1 8X 1.4 TFSI CZCA Alternator Generator 04C903023T
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Ford Transit Mk9 2.0 Diesel Starter Motor Cable Loom Wiring KK2T-14303-AG
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Starter Motor Mercedes W176 W246 Engine Starter Unit 12V Denso A6459060300
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Mercedes CL C215 W220 Sam Control Module Fuse Box Unit A0345459432
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Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7481616
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Audi A4 B7 Body Comfort Control Module BCM Unit ECU 8H0959433M
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BMW Z4 E85 2.2i M54 170HP Engine Control ECU Kit DME 7541335 EWS3 + Key Manual
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Seat Leon Mk3 Door Module Control Unit Front Passenger Side Door 5Q4959592
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BMW Z4 E60 E61 E63 E85 Air Module Control Unit Module ECU 9160557
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Earth Ground Cable BMW G20 G21 G30 G31 G11 Line Strap Battery Lead 6870078
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BMW F45 F46 Door Interior Lighting Wiring Harness Cable Front Left N/S 9354069
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Mercedes W447 OM622 Diesel Engine Alternator Generator A0009064022
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Mercedes W211 Door Module Front Right O/S Driver Control Unit ECU A2118208285
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VW Golf 5 Steering Angle Steering Wheel Column Control Module 1K0953549CA
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Audi A3 8P 1.9 TDI BLS 105HP Engine Control Module Unit ECU 03G906056S Manual
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Part no. 7600076-2
Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600076 + CAS3 + Key Manual
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Ford Transit Mk8 Fuse Box Power Distribution Relay 2.0 Diesel KK3T-14D068-JD
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VW Touareg 7L Body Control Comfort Unit Module STG Convenience ECU 7L0959933H
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Mercedes W212 Air Suspension Control Unit Module ECU A2125406462
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Volkswagen Jetta A6 USB Adapter Wiring Harness Lead Cable Connector 5N0035558
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Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104AE
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BMW 6 Z4 Series E64 E85 Sensor B-pillar Airbag Right O/S 6942102
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Part no. 3455534
BMW Mini Cooper One R57 High PL3 SPEG DC/DC H5 Fuse Distribution Box 3455534
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Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603
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Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009827008
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Part no. 7H7970292P
VW Volkswagen Transporter T5 Comfort Convenience Body Module BCM 7H0937049T
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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. A1669001420-2
Mercedes CLA C117 W166 Head Unit Sat Nav Navigation Display Screen A1669001420
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Part no. 8K0907801D
Audi A4 B8 Parking Brake Handbrake Module Control Unit 8K0907801D
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Audi A3 8P Alternator Main Cable Wiring Harness Loom 1K0971349FL
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Part no. 8W0907064CB
Audi A4 B9 BCM Body Control Module Unit ECU 8W0907064CB
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Part no. 7848603-1
Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603
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BMW 1 3 Series E81 E87 E90 E91 LCI N47 Diesel ECU DDE engine control 8506375
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BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Manual
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Starter Motor Mercedes Sprinter W203 W204 W211 OM646 Diesel Engine A0061514601
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BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 9119707
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BMW E93 E64 Convertible Rollover Control Controller Module 9179400
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Fuse Box Mercedes CLK W203 W209 Front SAM Module Control Unit A2095451401
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Mercedes A209 Fuse Box SAM Control Module Relay Box A2095451701
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Reversing Camera Mercedes W166 Rear View Camera Trunk Lid Tailgate A1669059302
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Audi Q7 4L Positive Battery Terminal Cable 4L0971225D
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BMW E60 E87 E90 120d 320d 520d M47N2 Engine Control ECU Kit DDE 7803373 CAS3
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Audi TT 8N Wind Brake Relay Unit Module 8N7907953
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BMW E81 E87 E90 E91 E92 6-disc CD Changer 9133083
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Wiring Harness Opel Vivaro B Renault Trafic 3 Loom Cable 93455434
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Part no. 3456393-1
Mini Cooper R60 ECU Footwell Light Module Unit AHL EKS PL3 FRM3R Lear 3456393
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Mercedes C219 Coupe Front Bumper Parking Sensor PDC Wiring Harness A2195404505
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Mini Cooper D R55 R56 LCI R60 N47N 1.6 112Hp Diesel ECU Kit DDE 8519663 CAS3 Key
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Part no. 8645325-1
BMW F20 F30 F32 F33 F34 B38 B48 Petrol Engine Alternator Generator 180A 8645325
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Mini Cooper R50 1.6 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Manual
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Volkswagen Golf Mk5 1.9 TDI 105HP BXE Engine ECU Kit 03G906021KH Ignition + Key
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Part no. 9340339
BMW E90 Max Brose Footwell Light Module Control Unit ECU 9340339
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BMW E91 Touring Ultra Sonic Burglar Alarm System Sensor Module 6972065
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BMW F10 Champ 2 Radio CD Player Head Unit ECU 9233010
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Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724
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Part no. 8577764-4
BMW F10 F11 F20 F30 520d N47N 184HP Engine Control ECU DDE 8577764 Automatic
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Part no. 6948689
BMW E60 E61 E63 Driver Side Door Air Module Control Unit Module 6948689
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Part no. 8715339-1
Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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Part no. 7545789-3
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7545789 + EWS + Key Automatic
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Part no. 4F0907468D
Audi A6 C6 Diagnostic Interface Gateway Control Module Unit ECU 4F0907468D
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Part no. 7595179-15
BMW E81 E87 LCI N43 116i 1.6 122HP ECU Control Unit Kit DME 7595179 CAS3 + Key
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Part no. 8489450-1
BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU KIT DME 8489450 FEM + Key
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Part no. 6939811
BMW E85 Roadster Cabrio Safety Information Air Module 6939811
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Part no. 8506657
BMW X3 F25 Starter Motor Diesel Engine 12V Bosch 8506657
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Part no. 9330542
BMW G30 G31 Fuse Distribution Box Holder Control Unit Bracket Carrier 9330542
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BMW E92 LCI Footwell Xenon Light Control Module Lear FRM3R PL2 9263798
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Mercedes W124 S124 Ignition Engine Control Unit Module A0155457032
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Mercedes-Benz CLK W208 Front Left Right Door Wiring Loom Harness A2085405606
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BMW F20 F21 114d 116d Diesel N47N Engine Control Unit DDE 8573260 Manual
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BMW 5 Series E60 M-Audio System Controller Navigation Head Unit 6942637
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Mercedes W166 W176 W246 Radar Sensor Front Control Unit Module A0009051302
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Part no. 7N0907530AN
Volkswagen Passat B7 Central Gateway Control Unit Module Relay ECU 7N0907530AN
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BMW E65 E66 Steering Wheel Electronics Control Unit Module ECU 6938106
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Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key + Lock
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BMW E90 E91 LCI E92 330d N57 245HP ECU Engine Kit DDE 8510221 CAS3 Key Manual
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BMW 3 Series E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM3R 9224593
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FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Body Control Unit ECU LR01 9387262
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Audi TT 8J Body Comfort Control BCM Module Unit ECU 8P0907063AD
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Mercedes S212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129001606
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Jaguar XF X250 3.0 D AJV6D Engine Control Unit ECU 9X2Q12A650PAD Automatic
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BMW X5 Series E70 ECU Body Control Module Junction Box PL4 JBBFEII High 9193110
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VW Volkswagen Caddy Maxi Fuse Box Control Unit Power Distribution 1KO937125D
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ESP Module Mercedes W210 Electronic Stability Program Control Unit A0275455632
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Part no. 05E907309-3
Volkswagen Golf VII 5G 1.5 TSI DACA 130HP Engine Control ECU 05E907309 Automatic
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Part no. 4B0955531A
Audi VW Volkswagen Seat Relay Unit Module 9 Pins 12V UH2 4B0955531A
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Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic
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Part no. 6886185
ICM Module BMW F20 F21 F30 F31 Crash Control Unit Airbag ECU 6886185 0265020864
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Audi S8 D3 Valve Block Air Suspension Control Unit Module 4F0616013
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Part no. 9675359580
Peugeot 3008 Bluetooth Module Multimedia Control Unit ECU 9675359580
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Part no. 6987999
BMW 3 Series E91 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6987999
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Part no. A0061517201
Motor Engine Starter Mercedes R172 W204 C207 W212 M271 Petrol A0061517201
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Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1669068201
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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 .