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. 9852926
BMW F31 X5 F15 Mini F60 Electric Tailgate Bootlid Control Unit Module 9852926
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BMW 1 3 Series 2 E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6967641
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Mercedes W211 Rain And Light Sensor Control Unit Module ECU A2118206026
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Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704585
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Mini Convertible Cabrio R52 Amplifier Speakers Audio Hifi Harman Kardon 6959011
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Alternator Generator BMW E87 E90 E91 Diesel Engine Electrical Unit 150A 7802471
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Volkswagen TOURAN 1T Body Control Comfort Unit Module BCM Unit ECU 1K0959433AR
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Mini Cooper One R50 R53 Radio Boost CD Player Unit Head 6921965
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Mercedes Vito W639 Suspension Level Control Unit Module ECU A6394460317
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Mercedes W166 Seat Fuse Relay Junction Box Block A1665402150
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Mini R55 R56 R57 LCI N12 N14 N16 N18 Engine Alternator Generator Petrol 120A
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Audi Q5 8R 2.0 TDI Quattro Alternator Generator 03L903017B
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Telematics Module BMW F01 F07 F10 Bluetooth Combox Telematik ECU 9244188
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BMW G30 F90 M5 Antenna Aerial Diversity Amplifier Unit 8703399
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Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C
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BMW F21 F22 Wiring Loom Door Drivers Side Front Right O/S 9340973
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Display Screen BMW F30 F31 F32 F33 Central Information Display 8,8" 9292248
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BMW 6 Series E63 E64 LCI Rear Bumper PDC Loom Cables Wiring Set 9126978
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Renault Trafic II Alternator Generator 120A SG12B050 8200690199
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VW Golf Mk5 Gateway Module Diagnostic Interface Control Unit ECU 1K0907530E
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Mercedes W245 B180 CDI 640.940 Engine Control Unit ECU A6409004600 Automatic
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Mercedes GLC X253 Camera Lane Assist Control ECU Module Unit A2479008615
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BMW F10 F30 320d 520d ed 163HP Engine Control Unit N47N ECU DDE 8574093 Manual
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BMW Z4 Series E85 Cable Loom Driver's Door Wiring Harness 6986980 6986976
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Mercedes S212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129001606
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Yaw Module Mercedes W221 ML W164 Rotation Rate Acceleration Sensor A0045423818
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Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual
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BMW E60 E61 E63 E64 M-ASK M-Audio System Controller Navigation Radio 6942638
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SRC Module Mercedes W205 Front Air Module SRS Control Unit ECU A2059009727
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BMW E66 E67 Airbag ECU Control Unit Gateway Module 6983067
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Mercedes W164 Trunk Hatch Open Lift Module Control Unit ECU A1648701126
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Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433
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BMW X3 E83 Telematics Bluetooth Control Unit Module Computer 9207074
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Volkswagen Golf Sportsvan 1.5 TSI DADA 150HP Engine ECU Key + Lock 05E907309 DSG
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Volkswagen Tiguan 5N Air Module Crash Control Module Unit ECU 5N0959655A
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BMW X3 E83 2.0d Diesel M47N2 Engine Wiring Loom Harness 3417859
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BMW 3 5 Series E39 E46 Positive Battery Terminal Cover Cap Red 8375653
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Mercedes-Benz E W210 Seat Memory Control Unit Module Front Left A2108206526
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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2045450169
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BMW E65 E66 Air Module Control Unit Information ECU 6922464
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BCM Module BMW E60 E63 E64 Body Control Module 6135 9114447
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Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S
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Mini Cooper R50 One R53 S Drive Window Lifter Motor Front Right O/S 6954276
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Mercedes W176 W246 Battery Junction Block Battery Plus Pole A2469068601
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Ford Transit MK6 2.4 TDDi Diesel Engine Control Unit ECU Manual 6C11-12A650-AK
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Headlight Module BMW F36 Headlamp Control Unit FLE2 MAX 7429125
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Mini Cooper F55 F56 Dual Clutch Transmission Gearbox Control Unit Module 8486547
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Audi A4 B8 A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063L
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Air Module Wiring BMW F20 F21 F22 F30 F31 Steering Wheel Harness Cable 8092206
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Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6394405209
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BMW E60 M5 E63 E64 M6 S85 Alternator Generator 170A 7834160
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BMW E39 E46 M52 Engine Automatic Gearbox Basic Control Unit Module EGS 1423642
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BMW F30 F31 320i N20 184HP Engine Control Unit ECU DDE 7649131 Manual
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Mercedes H243 H247 Body Control Module BCM Unit ECU A2479005615
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BMW 1 Series E87 ECU Footwell Light Module Control Unit PL2 FRMFA 6955491
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BMW Z4 E89 Professional Navigation System Computer CIC 9218337
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VW Golf V 5 1K Roof Top Antenne Control Unit Module 1K0035507F
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BMW E81 E82 E87 LCI N47S 123d Engine Control Unit DDE 7809002 Manual
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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
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Mercedes W205 W253 CD Radio Audio Sat Nav Navigation Head Unit A2059005036
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Mercedes ML W166 Fuse Box Front Relay Control Unit Module A1665402450
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BMW 3 Series E46 Touring Rear Bumper PDC Cables Wiring Loom Set 8369503
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REM Control Unit BMW F20 F30 F31 F34 Electrical Body Control Module V2 9362395
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BMW E60 E61N LCI E63 M5 M6 Control Unit For Ionic Current 7834713
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Air Module BMW F20 F21 F30 F31 Control Unit 6826984 0285013630
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Audi S8 D3 Multimedia Display MMI Mechanism Carbon Fiber Look 4E0919603K
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Sound Amplifier BMW F80 M3 F82 M4 Hifi Audio Unit Active Sound Design 9398997
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Safety Module Mercedes W205 Airbag SRS Control Module Unit A2059008618
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Mini R55 R56 R57 LCI R58 R59 R60 MINI CD Radio Audio Player Head Unit 3456805
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Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698202675
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Mini R50 R53 Radio Boost CD Player Head Unit Autoradio Player 4154934
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MINI Clubman R55 LCI Instruments Cover Trim Panel Dashboard Dash 9239915
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VW Volkswagen LT 35 2.5 TDI AVR 109HP Engine ECU Kit 074906018BK Manual Gearbox
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Audi A1 8X Mulitmedia MMI Player Audio Stereo Radio Head Unit 8XA035192C
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Mercedes W166 Parking Sensor Wiring Loom Cable Harness Front PDC A1665408332
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Stop Lamp Cover BMW F30 F80 M3 Rear Third Stop Brake Lamp Trim 7259883
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Volkswagen Touareg 7L Entry Module Keyless Go Control Unit ECU 3D0909139B
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BMW E61 LCI Body Gateway Module KGM HIGH 27 D-Can LEAR 9197317
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual CC1112A650AC
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Air Module Unit BMW F10 F11 F30 F31 F25 F12 F13 X3 F25 ECU Control 9319493
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Audi A1 8X 1.6 TDI CXMA 115HP Engine ECU Kit 04L907309E Ignition + Key Manual
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BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V1 REM 9293305
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BMW E87 LCI E90 E91 120i 320i N43 170HP ECU Kit DME 7583225 CAS3 + Key Automatic
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Audi A8 D4 Dynamic Air Suspension Control Unit Module ECU WABCO 4G0907553G
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Fuse Box Mercedes W205 W213 GLC X253 Hybrid Power Distribution Unit A2135401115
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Head Unit BMW F20 F21 F30 Radio Professional CD Player Control Module 9310455
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Audi A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181C
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 6809049
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Part no. 8699955
Engine Control Unit BMW F20 F21 F22 118i 218i B38 136HP ECU DME 8699955 Manual
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BMW F30 F32 F36 335dX 435dX N57Z 313HP Engine ECU Unit Kit DDE 8578082 Key FEM
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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 .