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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Mercedes Sprinter W906 ECU Control Unit Sensor Module A9064461442
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Mini R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Volkswagen Touareg 7L 2.5 TDI Engine Starter Motor Actuator Starter 070911023B
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Skoda Rapid NH1 1.4 TSI Petrol Alternator Generator Bosch 04E903021M
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Mazda 6 GJ Engine Starter Motor 2.2 Diesel M001T81582
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BMW i4 G26 Antenna Aerial Control Unit Module ECU Controller 5B418E7
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Mercedes W205 W213 63 AMG Starter Motor Wiring Cable Harness A2055403512
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BMW MINI Cooper R50 W10 116HP Engine ECU Kit DME + EWS + 2 Keys 7520019 Manual
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BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440
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Mercedes W204 C220CDI OM646.811 170HP Engine ECU Kit A6461509372 2Keys Lock
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Mercedes E-Class S211 Touring Bracket Holder Control Units A2115453340
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Mercedes W211 C219 CD Media Player Radio COMAND Head Unit A2118705194
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Peugeot Expert Citroen Jumpy Negative Battery Terminal Cable Wiring 1486455080
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Audi Q2 GA Rear Centre Loudspeaker Subwoofer 81A035382
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Citroen Peugeot Ford Diesel 8-Pin Glow Plug Relay 12V Module 9809931580
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Mini Cooper S R56 LCI R60 N18 1.6 184HP ECU Unit Kit DME 7619333 CAS3 Key
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BMW F20 F30 F32 120dX 320dX 420dX 184HP N47N Engine ECU Kit DDE 8582155 FEM Key
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Mitsubishi Shogun Pajero Cassette Player Radio Stereo Audio Tape Player MZ312719
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BMW E87 E90 E91 M47N2 118d 318d 122HP Engine Control Unit ECU DDE 7797496 Manual
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BMW 3 Series E92 Footwell Light Control Module Max Brose Lear FRM3R PL2 9230445
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Mercedes W245 B200 CDI Blue Efficiency OM651.901 136HP ECU Kit A6519009402 Key
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BMW 1 3 Series E81 E87N E90 E91 N47 Diesel ECU DDE Engine Control Unit 7809001
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BMW F13 Front Seat Control Module Unit ECU Left Right N/O/S 9313992
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Mercedes Sprinter W906 Turn Rate Sensor Module Control Unit A0065424218
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BMW 1 3 Series E87 E90 120d 318d 320d M47N2 Diesel Engine Wiring Loom Harness
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Omnicraft AGM Battery Accumulator Start Stop 70Ah 760A
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KaFAS Camera BMW F40 F44 G14 G15 Front Windscreen Camera Module 5A29919
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Ford Transit Custom Mk8 Rear Bumper PDC Parking Sensor Loom Wiring BK2T15K868BB
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Seat Wiring BMW F20 F30 Lumbar Support Pump Adapter Lead Cable Wire 9258213
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PDC Module BMW E38 Parking Assist Distance Control Module Unit ECU PDC 8372271
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BMW E38 Radio Business RDS Cassette Audio Player Head Unit 8379279
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BMW E60 E61 LCI E90 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 + Key Manual
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Halfords 12V AGM Accumulator Battery Start Stop 95Ah 850A AGM019
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BMW E87 E90 N45 116i 316i 1.6 Petrol Engine ECU DME 7557809 Manual Transmission
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BMW 3 Series E92 N52N 325i 218HP ECU Kit DME CAS3 + Key 7567362 Manual
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Display Screen BMW F20 F21 F22 Central Information Infotainment 8,8" 9387548
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BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Negative Cable BMW X5 F15 X6 F16 Battery Boot Negative Lead Sensor 9380966
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BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 6943834
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Mercedes W213 GLC X253 Hybrid High Voltage Battery Inverter Module A2139007929
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Head Unit BMW F20 F21 F32 F36 LCI Radio Media GPS Sat Navigation Unit 8798036
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BMW 1 3 Series E81 E87 E90 E91 E92 LCI Radio CD Professional 9302151
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BMW F20 M135i N55 326HP Engine Control Unit ECU DME 8626762 Automatic
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Peugeot 3008 1.6 HDI T84 DV6-C Engine Control Unit Module ECU 9675391480 Manual
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Mercedes E-Class S211 Touring Positive Battery Terminal A2115456540 A2115450403
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Mercedes C140 W202 Engine Cooling Radiator Fan Control Unit Module A0165459632
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Radio Head Unit Ford Transit Connect 6000 CD Media Player Unit 6C1T18C815AH
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Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Engine Starter Motor 0986018840
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Renault Trafic 3 BSI BSM Body EMM-T4 L3 Control Unit Module 231A08052R
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Audi A4 B8 Door Module Control Unit ECU Front Passenger Side 8K0959793B
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451001
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Part no. 8589891
Starter Motor BMW G20 G21 G30 G31 G32 GT G11 B57 3.0 Diesel Engine 8589891
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AUDI A8 4E S8 D3 CD Changer Control Module 6 CD unit 4E0057110C
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BMW Z4 E89 Footwell Light Module Control Unit ECU FRM3R PL2 Lear 9390489
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Mini Cooper F55 LCI Rear Bumper Wiring Harness Parking Sensors Loom 5A420F7
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Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704926
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BMW E60 E90 330i 530i N53 272HP ECU Engine Control Module DME 7588620 Automatic
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Mercedes A B W169 W245 M266 Petrol Engine Wiring Harness Loom A2661502933
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BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9147387
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9294300
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Radio Player BMW F40 Multimedia Head Unit Radio CD Player ALPINE 5A8F4C7
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Audi A1 8X A3 8P Alternator Generator 1.4 TFSI Petrol Engine CAVG 03C903023A
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Citroen Dispatch Battery Fuse Box Panel Board Control Unit Module 1400550780
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Alpine CHM-S630 CD Changer Multichanger 6-disc Magazine Cartridge
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Mercedes W203 Fuse Box Rear SAM Module Relay Control Unit A2035450701
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Comfort Module Unit BMW F20 F21 F30 F31 F32 Body Control FEM ECU LR01 6825538
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Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801
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BMW F06 Footwell Light Module Control Unit ECU FRM3 6992947
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BMW E87 LCI Footwell Light Control Module ECU LOW PL2 FRM II 9159806
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Aerial Roof Antenna Base Mini Cooper R50 R53 6920279
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Audi A4 B8 3.2 FSI Alternator Generator 06E903016S
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Fuse Box Mini Cooper One R56 High SPEG M3 Relay Box Distribution Box 3453737
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BMW F20 F21 F30 F31 118d 318d N47N Engine Control Unit ECU DDE 8579479 Automatic
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VARTA RAC Accumulator Battery 100Ah 830A 12V RAC005
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PDC Plug BMW F20 F22 F30 F32 Loom Socket Parking Sensor Wiring Harness
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BMW E82 E88 E90 LCi Switch Cluster Cruise Control Stalk Unit 9110882
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BMW Z4 E85 E86 Battery Holder Hold Down Bracket 7572873
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Mercedes W204 C63 AMG 457HP M156.985 Engine Unit ECU Kit A1569002901 Key Lock
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Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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BMW 1 3 Series E81 E90 120i 320i N43 Engine Wiring Loom Harness 7570534 7570540
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Tailgate Module BMW F31 LCI F45 X2 F39 Mini F60 Control Boot Trunk 9451483
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Mercedes GLC 300e X253 Electric Drive Ground Earth Line Wire A2134400200
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Battery Cable Citroen Relay Peugeot Boxer Positive Wiring Harness 1362688080
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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 .