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. 7798035-2
BMW 1 3 5 Series E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
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Rear View Camera Module Mercedes W205 W222 W253 Control Unit A2229005613
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BMW F07 GT On Board Central Information Display Screen Monitor 10,25" 9227118
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Mercedes ML W163 Module SAM Electronics Control Unit A1635457032
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BMW 1 Series F40 MINI F56 F57 F60 Control Unit Box 8581370
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Mercedes-Benz A-Class W176 CLA C117 Rear View Camera Control Module Unit ECU
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Audi A5 8T Positive Battery Lead Terminal Cable Wiring 2.0 TFSI 8K0971228AH
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BMW E90 E91 E92 IBS Negative Minus Battery Lead Cable Wire 9164352
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BMW E60 E87 E90 Telematics Bluetooth Control Unit Module ECU 9174261
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BMW Z4 E85 2.2i 2.5i 3.0i M54 Wiring Loom Harness Engine Module 7532036
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BMW 3 4 Series F30 F31 F32 Front Bumper PDC Wiring Cable Loom Set 9260019
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Starter Mercedes W204 C238 W213 W447 Diesel OM654 Starter Motor A6549061500
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Navigation System BMW X3 E83 Z4 E85 Mini R50 R52 DVD GPS Computer Unit
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Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006
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Mercedes W169 W245 Engine Starter Motor A0041518501
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Mercedes W213 Front Seat Control Unit Module ECU A2139008309
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BMW F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9351679
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Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901
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BMW 1 Series E81 NSW ECU Light Module Footwell Module PL2 FRM II 9175650
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Glow Plug Wiring BMW F20 LCI F45 F48 B37 Wiring Harness Engine 8511958
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BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945144
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Mercedes-Benz S-Class W220 Battery Lead Cable Positive Pole A2205400030
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Ford Connect Diesel Engine Wiring Cable Loom Harness 7T1T9H589BD
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Audi Q7 4L Amplifier BOSE Premium Audio Sound System Module 4L0035223J
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Ford Focus Mk3 III Fuse Box Battery Terminal Unit Module AV6T-14A067-BC
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VW Volkswagen Caddy 2K Audi A4 B9 Glow Plug Relay Unit Black Diesel 038907281D
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BMW E60 E63 E64 KBM Basis Body Control Module ECU Control Unit 9176069
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Mini Cooper R58 Fuse Distribution Box Control Unit High PL3 SPEG H8 3457416
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Mercedes W166 W221 Auxiliary Additional Generator Battery A0049820008
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Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Kosmos Black 191
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Head Unit BMW X3 E83 Z4 E85 Mini R50 DVD GPS Navigation System Computer 9159129
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Audi Q2 Seat Leon VW Golf Battery Tray Holder Mounting Bracket 5Q0915321J
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Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311
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BMW E91 Antenna Amplifier Diversity Module 9193841 6934846
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Audi Volkswagen Seat Skoda 2.0 TDI Diesel Starter Motor Engine Bosch 02M911023P
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BMW F32 F82 M4 Hifi Audio Sound System Speaker AMP Amplifier Module 9322690
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Audi A6 C6 Battery Positive Plus Pole Terminal Lead Overload 4F0915459
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Mercedes W212 Rear Suspension Shock Left N/S Sensor Wiring Cable A2125402605
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Audi A5 8T Alternator Generator Rack Mount Bracket 04L903141B
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Radio CD Player VW Volkswagen Golf 5 Passat B6 Head Unit MP3 RCD 300 1K0035186AF
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BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9147191
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Mercedes W176 W246 A180 B180 BlueEFFICIENCY 270.910 122HP Engine ECU A2709002100
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Audi A4 B7 Audio Sound System Amplifier Bose 355013 5631B6
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Porsche Macan 95B Tyre Pressure Sensor Control Unit Module 7PP907273D
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Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2038703594
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Ford Galaxy MK3 Mondeo MK4 2.0 TDCi Diesel Engine Alternator AG9T-10300-AA
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Audi A4 B9 Air Module System Control Sensor ECU Unit 8W0959655P
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Renault Master III Opel Movano B 2.3 DCI CDTI Alternator Generator 231001822R
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BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V1 9317173
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Mercedes-Benz C E Class W204 W207 Aerial Antenna Amplifier Unit A2048200089
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Radio Business BMW E81 E87 E90 LCI CD Player 9229240
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Mercedes W168 ESP + HBA Electronic Stability Program Control Module A1685453532
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Mercedes W906 311 CDI 646.985 109HP Engine Unit Module ECU A6461500477 Manual
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Mini Cooper R55 R56 R57 LCI Radio Boost CD USB Bluetooth Head Unit 3456515
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VW Polo MK5 1.2 TDI CFWA Alternator Wiring Starter Motor Harness 6R0971349AH
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Alternator Generator Mercedes W203 M111 Petrol Engine Valeo 120A A0111548402
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Ford Transit Custom Alternator 240A 14V 2.0 EcoBlue GK2T-10300-CC
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BMW E46 E53 Side Air Module Control Unit ECU Module 6933238
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Mercedes-Benz A B Class W169 W245 Door Control Unit Right O/S Front A1698207026
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Comunication Module BMW E83 E46 EXCH Telematics Control GSM Bluetooth 6964113
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Mercedes-Benz C-Class W203 M111 C 180 Bosch Alternator Generator 0124515056
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Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 8T0971365C
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Rain Sensor Ford Fiesta MK7 Mondeo MK4 Windscreen Light Module 8A6T17D547AB
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Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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Ford Galaxy Mondeo Transit Relay 4-Pin Black FoMoCo Unit SET X2 6G9T-14B192-BA
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Battery Cable Volkswagen VW Golf Mk6 VI Positive Plus Pole Lead 3C0971228K
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BMW X1 E84 E87 E90 E91 E92 LCI Radio CD Professional DAB 9302159
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PDC Module BMW X3 F25 X5 F15 Mini F55 F56 Parking Distance Control Unit 6836883
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Starter Motor Renault Trafic II Opel Vivaro A Diesel 2.5 dCi 8200106788
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Mercedes W203 C180 Kompressor M271 Engine Module ECU A2711534591 Automatic
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Mercedes-Benz A E M Class W163 W168 W210 CD Player Audio 10 Stereo Radio Unit
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BMW F30 F32 LCI 335dX 435dX N57Z Engine Wiring Cable Loom Harness 8574019
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Citroen Peugeot Ford Diesel 8-Pin Glow Plug Relay 12V Module 9809931580
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BMW E87 LCI Footwell Light Control Unit Module ECU Lear FRM3R PL2 9249080
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Mercedes W221 Front Centre Dashboard Speaker Logic 7 A2218207502
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Mercedes C219 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2195404605
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V8 Lear 9393675
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Mini Cooper One 1 R55 R56 R58 N12 Petrol Engine Starter Motor NAPA NSM1093
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Mercedes W906 W907 Cut Off Electric Relay Module A0025424019
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SAM Module Mercedes W213 C238 Rear Trunk Control Unit ECU A2139003326
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Mini Cooper R60 Wiring Passenger Loom Front Door Cables Left N/S 9809480
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BMW 1 3 Series F20 F21 F30 LCI Headlight Control Unit Module FLE2 7457871
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BMW F40 Door Wiring Cable Harness Loom Rear Left Right N/O/S 8714478
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Autoradio BMW X3 E83 Z4 E85 E86 Radio Business CD Player Control Unit 9146710
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Audi Q3 8U Amplifier BOSE Premium Audio Sound System Module 8X0035223D
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BMW F23 REM Rear Electronic Module Fuse Box Control Unit V2 9374507
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BMW E81 E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7583225 CAS3 + Key
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Audi A4 B7 Servotronic Steering Control Unit Module 8E0907307D
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Mini Cooper One R55 R56 R58 Petrol Engine Starter Motor N12 7540897
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BMW 1 3 5 Series E60 E87 E90 E91 Cable Adapter iPod Connection 2154179
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Engine Wiring BMW F10 F31 F32 N20 Loom Module Harness Cable 7641652
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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 .