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. rhd-A2214403333
Mercedes W221 Battery Cable Starter Alternator Wiring Harness A2214403333
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Mercedes W211 Seat Heating Control Unit Module ECU E-Class A2118702026
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BMW E60 E61 LCI 520d N47 Diesel Engine Control Unit ECU DDE 7812500 Manual
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VW Polo 9N 1.4 TDI BNV Diesel Engine Control ECU Manual Siemens 045906019CA
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Audi A3 8P 2.0 TDI 170HP BMN Engine ECU Kit Key + Ignition 03G906018DN Manual
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Headlight Ballast Control BMW F06 F12 F13 F15 F16 LED Adaptive Module 7316210
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Audi A4 B9 8W TDI Diesel Adblue Dosing Module Control Unit 4M0907355E
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Audi A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907064GF
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BMW F10 Footwell Light Control Unit Module ECU FRM III 9236461
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Vauxhall Vivaro B Renault Trafic III 1.6 Diesel BCM Body Control Module 2675974
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BMW X5 F15 X6 F16 ECU Body Control Module BCM 8796104
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BMW X5 E70 Audio Amplifier HiFi Stereo Sound System Booster Control Unit 9253197
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BMW X5 E70 X6 E71 USB Adapter Wiring Cable 850MM 9255716
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Mercedes C219 Passenger Door Control Module Front Right O/S A2198201226
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BMW F20 F21 F25 F30 F31 ECU Air Module Crash Control Unit ICM 6878198
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Part no. Halfords 65Ah Accumulator
Halfords 12V Accumulator Battery 65Ah 650A EFB100
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Mercedes W118 W177 W247 Battery Trim Panel Cover A2475408320
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Part no. Bosch S4 007 72Ah Accumulator
Bosch S4 007 Accumulator Battery 72Ah 680A 12V
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Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469007418
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Vauxhall Vivaro B Renault Trafic Rear Right O/S Lamp Frame Trim Cover Silver
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Display BMW F20 F21 F22 Central Information Infotainment Screen 8,8" 9281686
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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283E
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Mercedes A209 Keyless Go Module Entry Antenne Control Unit ECU A2098201375
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BMW X3 F25 20dX B47 190HP Engine Unit ECU Kit DDE 8596358 CAS4 Key
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Audi Q5 8R 2.0 TDI Diesel Adblue Dosing Module Control Unit 8R0907101D
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BMW 1 3 Series E81 E87 E90 E91 E92 Parking Control Module Unit PDC 6947797
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Part no. Platinium AGM 90Ah Accumulator
Platinium Start Stop Plus AGM Accumulator Battery 90Ah 900A 12V AGM19
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Audi A7 4G8 Dashboard MMI Multimedia Display Monitor Screen Popup 4G2919601N
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Mercedes W205 C350 E 274.920 279HP Engine ECU Kit A2749000800 Key Lock Automatic
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BMW F20 F21 F30 F31 LCI 120d 320d Diesel B47 163HP Engine ECU DDE 8474730 Manual
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Mercedes W204 W207 W212 Tyre Pressure Monitor Control Unit Module A0009000800
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BMW 3 Series E46 Cover Electronic Box Panel 1436443 12901436443
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Land Rover Range Rover Engine L322 3.0d M57 306D1 Unit Module ECU DDE 7791367
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Part no. Exide Carbon 100Ah
Exide Battery Carbon Boost 2.0 EB620 100Ah 900A Accumulator EA1000
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Part no. 9396828
Antenna Module BMW F06 F12 F13 E63 Rear Multi-band Antenna GPS TEL Right 9396828
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Peugeot 3008 1.6 HDI Diesel Engine Wiring Cable Loom Harness 9687153080
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Mercedes W205 W253 Front Seat Memory Package Module Passenger Side A2059009908
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Part no. A2711530691
Mercedes-Benz C W203 C200 Kompressor M271 Engine Control Unit ECU A2711530691
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Sam Control Module Mercedes W211 C219 Fuse Box Front Unit Relay A2115457201
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BMW E87 E90 120i 320i N46 ECU Engine Control Kit DME 7552176 CAS2 Key Manual
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Mini Cooper R55 R56 Radio Boost CD Audio Player Head Unit 3455539
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Ford Transit MK7 2.2 TDCI 100HP Engine Control ECU Kit CC11-12A650-AB Manual
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Mercedes W906 311 CDI 646.985 109HP Engine Unit Module ECU A6461500477 Manual
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Ford Transit Connect Radio Head Unit 6000 CD Media Player Unit 6S61-18C815-AJ
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Seat Leon Mk2 1P Central Gateway Control Unit Module Relay ECU 7N0907530M
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Mini Cooper S R60 N18 ALL4 1.6 184HP ECU Kit DME 7619333 + CAS3 + Key Manual
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Engine Wiring BMW F20 F30 F31 LCI B38 Loom Module 2 Harness Cable 8635808
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BMW F10 F11 LCI 520d B47 190HP Engine Control Unit ECU DDE 8591073 Manual
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BMW X1 F48 Door Cable Front Right O/S Wiring Loom Harness 8797551
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Part no. A0025428819-1
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819 Set x2
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Part no. A6461506679-1
Mercedes W203 C200 CDI OM646.962 122HP ECU Engine Module A6461506679 Automatic
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Seat Ibiza 1.2 TDI CFWA Engine Unit Module ECU Manual 03P906021AB
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Part no. 7585249-1
BMW E87 LCI E90 116i 316i 1.6 N45N ECU Kit DME 7585249 + CAS3 + Key Automatic
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BMW F45 F46 Mini F54 F55 F56 Head Unit Basic Media DAB Headunit 5A5EF33
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Harman Becker Hi-Fi F10 F11 F12 F13 Audio Speaker System Amplifier 9339415
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BMW 1 Series E82 ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9364819
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Lane Departure Warning BMW F01 F02 LCI X4 F26 ECU Control Unit 9281718 F01
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Part no. 9144776-1
Radio Professional BMW E81 E87 E90 E91 E92 Radio CD Player Head Unit 9144776
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Part no. 9280617
BMW F20 Diesel Front Electronic Module Control Unit FEM BCM ECU 9280617
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Part no. Halfords 56Ah Accumulator
Halfords 12V Lead Acid Accumulator Battery 56Ah 480A HB013
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Ford Transit Connect Central Lock Control Unit Alarm Module ECU 2T1T-15K600-BD
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BMW F20 F21 116d Diesel N47N 116HP Engine ECU Kit DDE 8573260 + Key + FEM Manual
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Part no. 3456952
MINI Cooper R55 LCI Footwell Light Module Unit High EKS PL3 FRM3R 3456952
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Part no. 5A7F553
BMW G26 Reverse Rear View Camera 5A7F553
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Part no. A9069006001
CD Radio Mercedes W639 W906 Audio Stereo Head Unit A9069006001
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Part no. 8687064
Starter Motor BMW G30 Engine Starter Actuator Denso 8687064
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Part no. 52400527C
Relay 4-Pin Black Voltage Control DLC Con Wysag Unit 52400527C
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Part no. A2515450432
Air Suspension Module Mercedes S211 W251 Airmatic Control Unit ECU A2515450432
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Part no. 6882266
Air Module BMW X5 F15 X6 F16 ICM SRS Control Unit ECU Bosch 6882266
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Part no. 8200568535-1
Renault Master 3 Vauxhall Movano B 2.3 DCI Diesel Starter Motor 8200568535
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Vauxhall Astra J Insignia A CD Player Radio Stereo Head Unit 20983513
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Part no. A4479002919
Mercedes Vito W447 Head Unit Radio DAB Navigation GPS Nav Display A4479002919
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Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K
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Part no. 6965047-1
BMW E87 E90 M-Audio System Controller Navigation Business 6965047
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BMW 2 Series F23 Cabrio Convertible Sat Nav GPS Antenna Amplifier 9277814
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Air Module BMW F40 F44 Gran Coupe SRS Computer Control Unit 5B44904
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Part no. 7616431-1
BMW E60 E90 E91 LCI 325i 525i N53 218HP ECU Kit DME 7616431 CAS3 + Key Automatic
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Ford Transit Connect Mk2 BCM Body Control Module Unit ECU DN1T15K600EE
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Part no. 8579482-2
BMW F20 F21 114d Diesel N47N 95HP Engine ECU Kit DDE 8579482 + Key + FEM Manual
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Part no. 6976988-1
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM BC1RD 6976988
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Door Module Mercedes W221 Front Door Left N/S Control Module A0038206326
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Part no. 8797572
BMW X1 F48 Door Cable Front Left N/S Wiring Loom Harness 8797572
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Mercedes W204 C220 CDI 170HP M646.811 Engine Unit ECU Kit A6461503734 Key Lock
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Mercedes C117 X156 W176 Battery 12V/80AH 780A Start Stop A0019825608
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BMW 3 X5 Series E46 E53 3.0d M57 Alternator Belt Tensioner 2354130
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469007818
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Ford Transit MK6 2.4 TDDi Diesel DOFA 125HP Engine Unit ECU Manual 3C1112A650GA
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Audi RS6 C7 Door Wiring Front Right O/S Door Harness Loom 4G5971036R
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BMW F45 218i 136HP B38 Engine ECU Kit Unit DME 8654460 BDC Key Lock Manual
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Air Suspension Module Mercedes S211 W251 Control Module Unit A2515450216
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Audi SQ5 FY Body Control Unit Basic Module BCM 8W0907064DP
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BMW F01 F07 GT F10 F11 F12 F13 OBD Plug Socket Diagnostic Wiring Loom 9232596
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Citroen Relay Peugeot Boxer Radio Player Bluetooth Head Unit 07356232350
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Mercedes W204 W212 W221 AMG Fuel Pump Module Control Unit ECU A0355400445
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Part no. 7640755-7
BMW F20 F21 F30 F31 N13 116i 316i 136HP Engine Control ECU DME 7640755 Automatic
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Part no. 7527610-15
MINI Cooper R53 W11 170HP Engine ECU Kit DME 7527610 EWS Keys Manual
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Skoda Octavia II Head Disc CD Changer Player Unit 1Z0035111A
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Part no. 6986081-1
BMW 5 6 Series E60 E61 E63 6-disc Compact CD Changer Without Magazine 6986081
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Land Rover Range Rover L322 3.0d M57 306D1 Gearbox Control Unit Module TGB000091
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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 .