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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BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9226238
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Mini R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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BMW F30 F32 F80 M3 F82 M4 1 Rear Antenna Aerial Amplifier AM/FM DAB
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BMW E60 E63 E90 N52 330i 530i 630i Engine Control Unit ECU DME 7553166 Automatic
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Audi A4 B8 Head Unit Radio CD Player Symphony Stereo Audio Player 8T2035195
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BMW E60 E61 E65 E66 Seat Control Unit Module ECU Sensor 6927264
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Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407732
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Saab 9-3 1.9 Ttid Z19DTR Diesel Engine Alternator Generator 93169260
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BMW 5 6 E60 E61 E63 E64 M-ASK M-Audio System Controller CD Player 6950814
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BMW F11 ECU Body Control Module Junction Box 9252333
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BMW i3 I01 Holder Audio Amplifier Telephone Bracket Mount Trim 9251524
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BMW 7 Series 1 E65 E66 Battery Cable Positive Plus Pole 6904905
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BMW X3 X5 E46 E60 E61 E65 E83 E53 M57N Starter Motor 7788680
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Mercedes ML W166 GLE C292 Relay Current Power Limiter Fuse Box A1669067701
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BMW F20 F30 F31 LCI 118i 318i B38 ECU Basic DME Control Unit 8663284 Manual
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BMW 5 Series E60 LCI Light Control Unit Module LCM LM E6X LWR LEAR 9154943
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BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6874337
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BMW Mini Cooper R57 R57N Cabrio Aerial Roof Antenna Base 9149080
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Mercedes CLK W209 Radio CD Player Stereo Audio Head Unit A2098700289
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Peugeot 307 Citroen Berlingo Diesel Engine Alternator Generator 9646321880
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Audi A5 8T Alternator Generator Electrical Unit 150A 14V 3.0 TDI 059903019N
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Mercedes S212 Estate Fuse Box Rear SAM Module Relay Control Unit A2129004201
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VW Volkswagen New Beetle Fan Control Module Relay 1J0919506K
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Mercedes W204 Petrol Engine M271 Engine Wiring Harnes A2711505533
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BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Manual
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Module Mercedes C205 Front Door Right O/S Control Module Unit A2229001614
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BMW E87 E90 118i 318i N46 Engine Control Unit Module ECU DME 7561834 Automatic
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BMW 3 Series E90 Footwell Light Control Module Lear FRM3R PL2 9230445
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CAS2 Module BMW E60 E61 E63 E64 Car Access Control Unit ECU 6965050
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9231321
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Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key Lock
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Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002
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Audi TT 8N Body Comfort Convenience Module Unit CCM ECU 8N8962267E
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Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
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Mini Cooper One R56 High SPEG Fuse Distribution Box H1 3450824
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BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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Mini Cooper One R56 High SPEG DC/DC Fuse Distribution Box 3455527
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BMW 5 6 7 E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6922785
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Bluetooth Module BMW E81 E87 E90 E91 Hands-free Control Unit MULF2 9149656
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BMW 1 3 X1 Series E81 E84 E87 E90 E91 LCI Power Distribution Box Black 6936649
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Peugeot 5008 2.0 HDI Diesel Injector Wiring Loom Cable 968824678
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Seat Ibiza Fuse Box Relay Carrier Holder Bracket Mount Tray 6R0915345E
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BMW E87 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Mercedes-Benz M-Class ML W163 Pressure Regulation Valve Fuel A6110780149
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BMW E60 E61 E90 E91 325i 525i Petrol N52 ECU Kit DME 7555361 CAS2 + Key Manual
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Audi TT 8J Petrol Engine Starter Motor 2.0 TFSI BWA 02E911023J
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BMW F10 F11 530d N57 245HP Engine Control ECU Kit Module DDE 8510643 CAS4 Key
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BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Keys Manual
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BMW X3 F25 Front Seat Control Unit Module ECU Left Right N/O/S 9369123
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Mercedes W221 Gateway Control Unit Module ECU A2215407045
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Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454
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Audi A7 4G S-Tronic NSK Automatic Gearbox Control Module Unit 4H0907163A
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Mercedes-Benz A B Class W176 W246 Battery Holder Mount Bracket A2466280041
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BMW E60 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9226238
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BMW 1 3 Series E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9132539
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BMW 5 6 7 E60 E63 E65 Adaptive Light Control Unit Module LM E6X 9153273
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Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A1729006903
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Mercedes W205 Multi-Purpose Windscreen Camera Control Unit Module A2479006804
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Mercedes W205 W213 C238 Bluetooth Hermes LTE Control Unit Module A2139002210
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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Seat Wiring BMW F20 F30 F31 F34 Passenger's Side Cable Loom Harness 9264625
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BMW E60 E61 E63 E64 DSC Hydro Braking Pump Unit Speed Sensor
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CD Radio Mercedes W639 W906 Audio Stereo Head Unit A6398200186
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Mercedes W203 W209 Fuse Box Rear SAM Module Relay Control Unit A2035453801
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Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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Part no. 9688409680
Peugeot 5008 2.0 HDI Diesel Glow Plug Wiring Loom Cable 9688409680
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Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Bracket Mount 8200527320
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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 .