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 W203 C220CDI OM611.692 116HP Engine Unit ECU Kit A6111537779 Key Lock
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Navigation System BMW E90 E91 E92 Professional CCC Sat Nav Controller 9150961
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BMW E60 M5 E63 E64 M6 S85 Alternator Generator 170A 7834160
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Land Rover Range Rover Sport 3.0d Diesel Engine Control Unit ECU CX23-12C520-PA
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Audi Q2 GA 35 TFSI DXDB Petrol Starter Motor Manual 02M911022F
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BMW 3 Series E90 Footwell ECU Light Control Module MAX Kuester FRM3R 9263804
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Mercedes CLA C118 W177 Centre Console Light Wiring Harness Cable A1779069105
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Mercedes W203 Aerial Antenna Amplifier Module Unit A2038206489
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Peugeot Partner Diesel Glow Plug Wiring Loom Cable Wiring 9670855680
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Mercedes W221 Rear Door Module Control Unit Left N/S ECU A0038207326
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Mini One R50 R52 W10 1.6 90HP Engine Control Unit ECU Module 7557395 Automatic
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Audi Q5 FY 2.0 TFSI DAXB 252HP Quattro Engine ECU Kit Gateway + Key 06L907425C
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Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023
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BMW F20 F30 F32 125d 325d 425d Engine Control Unit Diesel B47 ECU DDE 8589836
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Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003702
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BMW X5 E53 4.4i N62 Engine Control Unit ECU Kit 7556340 EWS Keys Automatic
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BMW X4 M F98 Wireless Charger Phone Charging Module Cable Wiring Harness 6992409
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BMW 1 3 5 Series E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
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Mini Cooper F55 F56 Navigation DAB Head Unit High Control Unit 6809250
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BMW E81 E87 E90 E91 LCI E92 E93 Autoradio CD Radio Business 9229241
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Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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BMW X5 E53 3.0d Diesel M57 Alternator 150V 7792092
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Mercedes-Benz W216 W221 VST Seat Control Module Front Right Left A2169004400
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BMW F20 F21 LCI 118d Diesel B47 150HP ECU Control Unit Module DDE 8475350 Manual
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Engine Harness Mini F56 F60 BMW F40 F46 Sensor System Module 2 Wiring 8678972
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Mini One D R56 LCI N47N 90HP Diesel Engine ECU Kit DDE 8519663 + CAS3 + Key
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Mercedes W221 Comand 6-Changer CD Radio Head Unit DVD Navi A2219004704
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Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
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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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BMW E60 E60N E63 E63N Body Control Module ECU Control Unit 9168833
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BMW F30 335dX F32 F36 435dX N57Z 313HP Engine Unit ECU Kit DDE 8578082 Key FEM
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Audi A3 8V Park Parking Assist PDC Distance Control Unit Module 5QA919283G
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9189200
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Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6394405009
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BMW E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6989396
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BMW 6 Z4 Series E64 E85 Sensor B-pillar Airbag Right O/S 6942102
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BMW X5 Series E53 Light Check Module Control Unit ECU Lear LCM III 6905875
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Ford Transit Mk8 2.0 EcoBlue 130HP Engine Control ECU Kit KK21-12A650-FA Manual
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BMW E65 E66 Sensor B-pillar Right O/S Air Module Crash Sensor 6970895
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BMW F20 F21 F23 F30 F31 B47 190HP Engine Control ECU Kit DDE 8589141 Automatic
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BMW Mini Cooper One F54 F55 F56 ECU Body Domain Controller BDC Module 6821969
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Audi A3 S3 RS3 8Y Front Camera FAS Lane Assistance Control Unit 5WA980653C
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Audi A4 B8 AdBlue Tank Wiring Harness Loom Cable 8K0971765E
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Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689
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BMW X1 F40 F48 Mini F55 F56 F57 Engine Starter Motor 8647866
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Mercedes W205 C43 Alternator Generator VALEO 200A 3.0 Petrol A0009068706
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BMW 1 Series E90 Footwell Light Control Module (LCM) NSW 6987997
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BMW 6 Series E63 E64 Wiring Loom Harness Co-Drivers 6973921
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Mercedes C209 Engine Kompressor 5 Speed Gearbox GSG Module Control A0015453716
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BMW E60 M5 E63 E64 M6 S85 Starter Motor 7835126
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YUASA YBX 3000 12V Accumulator Battery 80Ah 760A YBX3110
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BMW X1 E84 xDrive 18d N47 143HP Engine Unit ECU Kit DDE 8512499 CAS3 Key Manual
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Volkswagen New Beetle Air Module Control Unit Sensor ECU 6Q0909605AL
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BMW E87 Body Control Module Junction Box Unit H4 PL2 JBBFE ECU 9134485
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Mercedes W203 W211 Parking Distance Sensor PDC Iridium Bright Silver
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Audi Q5 8R A5 8T Sat Navi Stereo Radio Audio MMI Head Unit CD Player 8T2035666A
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Door Module Mercedes C118 W177 W247 Front Right O/S Control Unit A1779004106
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Gateway Control Skoda Seat Volkswagen Audi TT 8J Unit Module 7N0907530AG
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Mercedes W202 C208 W208 W220 Parking Distance Sensor PDC Almandine Black
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Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038201285
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BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9250454
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Mercedes W205 C205 BlueTec OM651.921 Engine Control Unit ECU Kit A6519000603 Key
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BMW E46 Convertible Rollover Sensor Control Unit Module 6918833
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Alternator Generator BMW F07 F10 N57N N57Z Diesel Engine 230A Valeo 8570672
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Mini Cooper D F55 F56 B37 116HP Diesel ECU Engine Unit DDE 8587952 Manual
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Mercedes W212 Roof Antenna Shark Obsidian Black 197 E-Class A2128270128
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BMW E93 ECU Body Control Module H1 PL2 JBBFE Junction Box 9171217
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9243913
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BMW G60 U06 Mini F65 Radio Remote Control Receiver Module Unit 434 MHz 7928684
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Ford Transit Mk7 Under Bonnet Fuse Box Loom Harness Cables 6C1T-9K499
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BMW 6 Series E64 Components Aerial Antenna Diversity Cable AM FM TV 6917457
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BMW E60 LCI 530d X5 E70 3.0d M57N2 235HP Engine ECU KIT DDE 8509035 CAS3 + Key
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Mercedes X117 Tailgate Boot Control Rear Module Unit A2469009212
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BMW Z4 Series E85 Roadster Cabrio Sensor B-pillar Airbag Right O/S 6928572
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Boardmonitor BMW X3 E83 Central Information Display Screen 6,5" 3420851
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BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242
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BMW G16 G26 Tailgate Lift Boot Lid Control Unit Module Trunk 9852925
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Gearbox Cable BMW F90 M5 F91 M8 Engine Wiring Automatic Transmission 9882602
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Audi A4 B9 A5 F5 Air Module SRS System Control Sensor ECU Unit 8W0959655
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9258164
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Mercedes W212 E220CDI Blue Efficiency OM651.924 170HP Engine ECU A6519000503 Key
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BMW i3 I01 LCI Front Door Cable Harness Driver's Side Loom Wiring 8806962
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Mercedes S212 Rear Tailgate Boot Trunk Lid Control Module Unit A2129009916
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BMW E60 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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Volkswagen Polo 6R Fuse Box Module Comfort BCM Body Control Unit ECU 6R0937087P
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BMW F30 F31 F80 M3 F82 M4 Positive Battery Cable Plus Pole 9259425
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BMW Varta VRLA / AGM 12V Accumulator Battery 80Ah 800A 7555718
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VW Volkswagen Polo 6R Battery Fuse Distribution Terminal Unit 6R0937550A
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VW Polo 6R Antenna Amplifier Rear Booster Boot Lid Tailgate Left N/S 6C0035577
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Mercedes C209 Door Control Module Front Left N/S A2098201926
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BMW E46 X3 E83 Battery Cable Plus Pole Power Positive Wiring 6910542
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Alternator Starter Wiring Harness Mercedes W205 GLC C253 OM651 A2055403103
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Mercedes-Benz C-Class W203 Rear Left Right Door Wiring Loom Harness A2035407308
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BMW 1 F20 F21 LCI Mini D F56 B37 Wiring Harness Engine Glow Plug Module 8571038
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Mercedes W639 Tire Tyre Pressure Control Module Unit A6399003701
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NOX Sensor Adapter Mercedes W213 C238 C257 Electrical Wiring Cable A2135400916
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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 .