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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Navigation Head Unit BMW i3 I01 Mini F55 F56 Basic Control Unit Module 9365844
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BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 8709216
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BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS 4 + Key Manual
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DURACELL Extreme AGM Car Battery 12V 80Ah 800A
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Mini Paceman R61 Footwell Light Module High EKS ECU LEAR PL3 FRM 3457403
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Mercedes W212 OM651.924 E220CDI 170HP Engine Unit ECU Automatic A6519000503
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BMW F45 F48 F15 F31 F36 Mini F60 Trunk Lid Automatic Lift Control Module 9491419
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Mercedes W221 Gateway Control Unit Module ECU A2215407045
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Ford Transit Mk7 2.2 TDCi Euro 4 Diesel Engine Wiring Loom Cables 6C1T12B637JF
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Audi A7 S7 4G Display Dashboard SatNav Multimedia Infortaiment Screen 4G8857346G
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BMW X5 Series E53 Professional CD Radio TMC 6922510
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BMW 5 E60 E61 530d M57N 218HP ECU Control Unit DDE 7796637 Module Automatic
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BMW 7 Series E65 E66 Passenger Seat Airbag Sensor Control Unit Module 6924556
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Camera Module BMW F01 F10 F20 F30 F32 Reversing Rear View Control Unit 9218198
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Audio Receiver BMW F40 G20 G30 Digital DAB Control Unit Module 7928576
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8614302 + FEM + Key
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Seat Ibiza Fuse Box Relay Carrier Holder Bracket Mount Tray 6R0915345E
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BMW Z4 E85 2.5si N52 218HP Engine ECU Control Unit DME 7561684 Manual
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Mini F55 F56 Fuse Box Distribution Board Map Diagram Fuse Grouping 9367813
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Mercedes W203 W221 Windscreen Rain Light Sensor Control Module A2218700092
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BMW Disc Business Navigation DVD Road Map Europe 2008-2 T1000-14129
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BMW F25 Footwell Light Control Module ECU Unit FRM3 III TEMIC 9394670
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Samlex BG200 Battery Guard Programmable Isolator Autodetect Board System BG200
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Automatic
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Mercedes W220 Front Right O/S Seat Module Control Unit ECU A2208205685
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Head Unit BMW F20 F21 F22 F30 F31 LCI Sat Nav Radio Media Navigation 8708257
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BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9141776
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Mini Cooper D F55 F56 B37 116HP Diesel Engine ECU Kit DDE 8586766 Manual
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Volkswagen Transporter T5 2.0 Tdi CAAA Fuse Box Engine Compartment 7E0907299A
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YUASA YBX3000 YBX3027 Car Battery 12V 62Ah 550A
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BMW F30 F31 320d ed Diesel N47N 163HP ECU Kit DDE 8584276 + Key + FEM Manual
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Mercedes W205 W213 10Ah 170A Auxiliary Additional Generator Battery A0009829508
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Mercedes W906 Radio Navi Programming Unit Head Unit A9069006202
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BMW F01 F07 F10 F11 F12 F13 Amplifier Stereo System Harman Kardon AMP 6815969
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X2 F39 20iXD B48C 192HP Engine Control Unit ECU DME 5A17F36 Automatic
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Mercedes W212 E300 Hybrid 651.924 231HP Engine ECU Kit A6519009102 Key Lock
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BMW F07 F10 F11 Telematics Module Bluetooth Combox Telematik ECU 9251737
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BMW E90 LCI Footwell Light Module Control Unit ECU FRM3 LED PL2RR 9263807
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Audi TT 8J Parking Sensor Wiring Harness Cable PDC Rear Bumper 8J0971085D
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BMW E92 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 Lear 9240533
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Body Control Module BMW X5 E70 ECU Junction Box High PL4 JBBFEII 9146035
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BMW E88 LCI E90 120i 320i N43 170HP Engine Control ECU DME 7595179 Manual
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Ford Transit Custom Power Stabilisation Voltage Control Module Unit GK2T14B526CE
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BMW E90 Light Module Xenon Footwell Control Unit Module ECU PL2 FRM II 9153779
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Head Unit BMW F07 GT Car Infotainment Computer Sat Nav Multimedia DAB 9275510
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BMW 3 Series E90 E92 E93 M3 S65 Starter Motor Petrol 7837775
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Mercedes X253 Rain And Light Sensor Control Unit Module ECU A2539008007
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Peugeot Partner MK2 YAW Sensor ESP Rotation Rate Acceleration Unit 9811908880
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BMW F01 F10 F20 F30 LCI ACC Front Radar Sensor Module Unit 6877096
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Mercedes Sprinter W910 Fuse Box Control Unit Module A9105405910
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BMW EXIDE AGM 12V Accumulator Battery 90Ah 900A 7575575
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Mercedes W205 C 220d 651.921 194HP ECU Kit A6519005203 SAM 2 Keys Lock Automatic
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Mini Cooper R55 R56 N12 1.6 120HP Engine ECU Kit DME 7600020 + CAS3 + 2 Keys
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Audi Q3 8U 2.0 TDI CFGC 177HP Quattro Engine Control Unit ECU 03L906018PH
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Gateway Module BMW F10 F11 Central Control Unit Lear ZGW-01 High 9236462
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BMW F87 M2 370HP N55 Engine Control ECU Kit DME 8693361 + FEM + Key Twin Clutch
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BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
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Audio Amplifier Mercedes R171 W211 C219 Sound Harman Kardon Module A2118701489
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BMW F46 218i B38 136HP Engine Control Unit ECU Kit DME 8674260 FEM + Key Manual
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Mercedes-Benz S-Class W221 Air Pump Valve Pressure Sensor A0025407097
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Starter BMW G20 G21 G30 G31 G01 Engine Starter Motor 8671504
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DriveTec Heavy Duty 12V Accumulator Battery 60Ah 540A DM075
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Mini Cooper One R55 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092
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Volkswagen Polo 6R BCM Body Comfort Control Module Unit ECU 6R0937085B
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Mercedes SLK R172 Battery Cable Starter Alternator Wiring Harness A1725409713
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Audi A6 C7 PDC Parking Distance Control Module Unit ECU Valeo 4H0919475H
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BMW F20 LCI Wireless Carplay Android MMI Retrofit Module Unit FNB2101-LC-G-NS
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Mercedes W204 C200CDI BlueEFFICIENCY OM651.913 Engine ECU Kit A6519007500 Keys
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Mini Cooper R50 1.6 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Manual
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BMW E81 E87 LCI E90 E91 N43 118i Engine ECU DME Kit CAS3 + Key 7578032 Manual
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Mercedes R170 SLK 230 Kompressor M111.973 Engine ECU Kit A0235458332 Key Lock
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Peugeot 5008 2.0 HDI Diesel Glow Plug Wiring Loom Cable 9688409680
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Mini F55 F56 F57 F60 Fuse Box Grouping Fuse Placement Map Card Diagram 6846141
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BMW F20 F30 120d 320d ed 163HP N47N Engine ECU Kit DDE 8574093 FEM Key Manual
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Part no. 9224594-1
BMW E93 Footwell ECU Light Control Unit Module FRM3R PL2 Lear 9224594
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Part no. 3413402
BMW X3 E83 2.5i 3.0i M54 Battery Lead Positive Cable Plus Pole 3413402
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Audio Amplifier BMW F40 G20 G30 X3 G01 Sound High DAB ECE Harman Kardon 7928620
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Part no. 8625068-5
Mini Cooper One R60 R61 N16 122HP Engine Control Unit ECU DME 8625068 Manual
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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 .