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 3 Series E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8512291 Manual
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BMW E87 E90 E91 118i 318i N46 129HP Engine ECU Kit DME 7565300 Manual Key CAS 3
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BMW F45 Alternator Generator 8680374
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Earth Ground Cable Mercedes Sprinter W901 Battery Wiring Loom Engine A9015400631
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Fiat Doblo Positive Battery Cable Lead Wire Electrical Cable 51871154
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Mini R60 R61 Ultra Sonic Module Alarm System Sensor 9806332
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Starter Motor Ford Galaxy Mondeo S-Max TDCi Diesel Engine Starter 6G9N-11000-FA
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Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7587548 Manual
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Volkswagen VW Caddy Door Harness Loom Cable Wiring Front Left 2K0971557AG
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BMW F12 F13 F20 F21 Alternator Generator 14V 210A N55 Petrol Engine 7591529
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VW Amarok Mk2 Headlight Headlamp Control Unit Module Sensor G2412-154530-B
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Audio Amplifier Mercedes W166 C292 Sound Control Unit Harman Kardon A1669004719
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BMW Mini Cooper R55 LCI PL3 SPEG H5 Fuse Distribution Box 3456855
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Rear Bumper PDC BMW E65 E66 Front Ultrasonic Sensor Schwarz 2 Black 668
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BMW Z4 E85 2.0i N46 150HP ECU Control Unit Module Kit DME 7565300 EWS Key Manual
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BMW F20 F21 F30 116d 316d N47N 116HP Engine Control Unit ECU DDE 8579479 Manual
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Audi A3 8P TT 8J A4 B7 Ipod Interface Multimedia Storage Compartment 8E0857925B
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Audi A3 8V 1.4 TSI Petrol Starter Motor Engine Actuator Unit 0AM911023R
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BMW X5 E39 E46 E53 Motorola Hands-free Electronics Control Unit ECU 6921857
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Headlight Ballast Control BMW F06 F12 F13 F15 F16 LED Adaptive Module 7316210
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BMW F20 F21 Amplifier Holder Audio Catch Bracket Trim Panel 9216337
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
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Mercedes W202 Central Locking Vacuum Pump Control Unit A2028001448
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BMW X3 F25 X4 F26 Integrated Supply Module 8645515
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059004433
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BMW F06 Footwell Light Module Control Unit ECU FRM3 6992947
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Ford Transit Mk7 Relay 5-Pin Black Unit FoMoCo 6G9T14B192DA
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BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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Seat Wiring BMW F20 F30 F31 F34 Passenger's Side Cable Loom Harness 9264625
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BMW 1 Series E87 Footwell Light Control Module Unit PL2 FRMFA Lear 6987997
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Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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BMW F20 F21 F30 F31 Head Unit Basic Media DAB Headunit 8798185
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Mercedes W164 W204 W211 C216 C219 M273 Starter Motor Assembly A0061513701
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BMW X1 Series E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9240527
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VW Volkswagen Golf MK6 Steering Wheel Column Control Module 1K0953549CF
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BMW E90 E91 E92 E93 325i N53 218HP ECU Kit Control Unit DME 7576719 Automatic
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BMW F30 LCI B48X 330e Hybrid Electric High Voltage Battery 8677631
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Mercedes W176 PDC Parking Distance Sensor Module Control Unit ECU A2469008311
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Alternator Generator Mercedes W164 OM642 180A Electrical Unit Diesel A6421540502
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Mercedes-Benz S-Class W220 Door Control Module Left Rear N/S A2208216279
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Alternator Generator Mercedes W203 W209 Engine M271 120A 14V A2711540902
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VW Volkswagen Transporter T5 Golf Mk4 Fuel Pump Relay Unit Grey 109 1J0906381A
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Audi A4 B9 Body Gateway Module ECU Control Unit 8W0907468C
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BMW E60 E61 E63 E64 Body Gateway Module 61356985363 6985363
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Gateway Module BMW F11 LCI Central Control Unit Lear ZGW-02 4SK 9380239
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Mercedes S212 E250CDI BE OM651.924 204HP Engine Unit Module ECU Kit A6519005301
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BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6925897
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Mercedes C204 Wiring Cable Harness Front Driver Door Wiring Loom A2044400538
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BMW E60 E61 E63 E65 Dynamic Drive Control Unit Module Front Suspension 6780590
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Renault Trafic 3 BSI BSM Body EMM-T4 L3 Control Unit Module 231A08052R
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Radio CD Player Ford Mondeo MK4 Galaxy MK3 Sony DAB Radio Stereo BS7T18C939FB
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BMW X3 E83 LCI Front Door Speaker Tweeter 6990109
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Peugeot Partner Diesel Glow Plug Wiring Loom Cable Wiring 9670855680
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BMW F10 F12 F13 F20 F22 F30 F31 Navigation Radio Sat Nav Head Unit High 6832270
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Mercedes R171 SLK200 Module Front Door Right O/S Control Module Unit A1718200626
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BMW F10 F11 535d N47S1 218HP Engine Control Unit ECU DDE 8572874 Automatic
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Mercedes X156 GLE W166 Surround View Camera Control Unit Module A1569003303
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BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Right O/S 9285768
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Mercedes W204 W207 Fuse Box Prefuse Box Module Relay Holder A2075402550
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BMW 1 3 Series F20 F31 LCI Telematics Control Unit Module ATM ECE 4G 8720302
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BMW E34 E36 E39 E46 Starter Motor 1,4KW BOSCH 1740374
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BMW F20 F21 116d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Manual
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Mercedes W176 W246 180 CDI OM607 Engine Control Unit Module ECU A6079002300
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Mini Cooper One R56 LCI Footwell Light Module High EKS PL3 FRM3R Lear 3456952
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BMW F30 Rear Bumper PDC Wiring Loom Harness Cables 9224950
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BMW F10 F11 306HP N55 535i ECU Engine Control Unit Module DME 7620419 Manual
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Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233
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Mini Cooper D R56 LCI R60 N47N 112HP Engine ECU Kit DDE 8519663 Key CAS3 Manual
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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
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Mercedes W169 W245 W639 W906 Head Unit Radio Media Player Navigation A1699002500
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Mercedes W221 Audio Sound Speakers Amplifier Control Unit ECU A2219008103
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BMW E60 E63 E90 Dashboard Dash Onboard Monitor Display Screen 8.8"
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VW Volkswagen Touran Golf Polo Interface Module Multimedia Control 5N0035342B
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Peugeot 308 1.6 HDi Diesel Engine Wiring Cable Loom Harness 9671135480
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Vespa Piaggio 125 GTS CDI Ignition Module Control Unit 58053R
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Mercedes Vito W447 114 CDI 136HP 651.950 Engine Unit ECU A6519002803 Automatic
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Seat Ibiza IV 6J Radio Stereo Audio Head Unit Panel MP3 6J2035153G
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Mercedes W204 Automatic Gearbox Transmission Module Unit ECU A0005455916
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Mercedes W204 C207 Centre Console Aux Port Socket Plug Terminal A1728200815
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BMW Mini Cooper F56 Wiring Passenger Loom Front Left N/S Door Cables 9389220
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Mercedes-Benz W245 Front Bumper Parking Sensor Parktronic Wiring Cable Harness
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Audi Q3 S Line BCM Body Control Module Unit ECU 8X0907063AF
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VW Volkswagen Touareg 7L Headlight Headlamp Adapter Cable Wiring Loom 7L6971071B
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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 .