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. 6943157
BMW Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6943157
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Part no. 8634124-1
BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
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Mercedes C205 W213 USB SD Card Module Multimedia Reader Port Socket A2138200400
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BMW i4 G26 High Voltage Battery Cable Wiring Harness Loom EDH Kit Set 5A2DB33
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Transmission Wiring BMW X5 F15 X6 F16 N57 Gearbox Harness Loom 8581851
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Iveco Eurocargo 75E15 Body Control Module Unit ECU 504041124
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BMW 1 Series E82 Amplifier Hifi Speaker System 9164379
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Mercedes W203 CD Media Player Radio COMAND Head Unit A2038700090
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Mercedes C140 Headlight Module Ballast Relay Control Unit LCM A1405420732
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Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459G
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BMW F20 F30 LCI 125d 325d B47 224HP Engine ECU Kit DDE 8598760 + FEM + 2 Keys
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Part no. 8R0915181C
Audi Q5 8R Negative Battery Terminal Cable Wiring Battery 8R0915181C
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469002718
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Part no. 4E0959655K
Audi A8 4E S8 D3 SRS Bag Control Air Module Unit Bosch 4E0959655K
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Part no. A2079014300
Mercedes-Benz E-Class A207 W207 Convertible Air Module System Control Unit
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Part no. 8709211-1
BMW F20 F21 F22 F30 F31 F32 F36 Front Electronic Module Control Unit FEM 8709211
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Part no. 8W5035035B
Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
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Part no. A6401507479
Mercedes-Benz W169 W245 A B 200 CDI Engine Control Unit Module ECU A6401507479
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Part no. A1699000300-1
Door Module Mercedes W169 W245 Front Left N/S Control Unit A1699000300
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Part no. 6944501
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6944501
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Part no. 3453247
BMW X3 E83 E90 Engine Automatic Gearbox Module Wiring Cable Loom Harness 3453247
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BMW E81 E87 E90 E91 E92 Radio CD Player Professional 9150109
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Part no. 9119447
Fuse Box BMW E90 E91 E92 Front Power Distribution 9119447
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Part no. 6962723
BMW E60 Light Control Unit Module LME6X MAN.LWR Lear 6962723
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Part no. rhd-A2115400582
Fuse Box Cover Mercedes W211 C219 SAM Control Module Cap Lid Housing A2115400582
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Part no. 9308373
BMW X6 E71 Footwell Light Control Unit Module FRM3R LEAR 9308373
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Part no. 8385232
PDC Module BMW E39 Parking Assist Distance Control Module PDC 8385232
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Part no. 6936655
BMW 1 3 X1 Series E81 E82 E84 E87 E90 E91 E92 Power Distribution Box 6936655
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Part no. 9217035
Positive Cable BMW F07 F10 F11 Battery Plus Pole Power Red Unit 9217035
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Part no. 7513338
Mini Cooper R50 R52 Automatic Gearbox Transmission Signal Control Module 7513338
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Part no. 5A4FD62
Navigation Control Module BMW F40 F44 Sat Nav System Head Unit 5A4FD62
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Part no. 7481616-1
Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7481616
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Part no. 7565300-9
BMW E87 E90 E91 118i 318i Petrol N46 ECU Kit Control Unit DME 7565300 CAS3 Keys
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Part no. 6917552-BRG
Mini R50 R52 R53 Rear PDC Ultrasonic Parking Sensor British Racing Green
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Part no. 5A1FC46
BMW F40 F44 Air Module Control Unit ECU A1718204726
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Part no. 7199819
Roof Module BMW Z4 E85 Roadster Cabrio Convertible Folding Top 7199819
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Part no. A1679002718-1
Mercedes W205 C253 W257 Door Module Front Left N/S Control Unit ECU A1679002718
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Part no. A9065403815
Mercedes Sprinter W906 OM651 Battery Wiring Harness Loom Cable A9065403815
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Part no. A1715451701
Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451701
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Part no. 5Q0955547A
VW Golf VII Skoda Octavia Fabia III Front Windscreen Rain Sensor 5Q0955547A
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Part no. 7580279
BMW E87 LCI E90 320i N43 170HP ECU Engine Control Unit DME 7580279 Manual
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Part no. 9495896
Reversing Camera BMW G11 G12 G30 F90 Rear View Trunk Lid Tailgate 9495896
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Part no. 2K5971557
Volkswagen Caddy Maxi Front Door Right O/S Electrical Wiring Harness 2K5971557
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Part no. A2049005903
Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005903
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Part no. 7565300-20
BMW E87 E90 E91 118i 318i N46 129HP ECU Kit DME 7565300 + CAS2 + Key Automatic
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Part no. 05E907309G
VW Golf VIII CD1 1.5 eTSI DFYA 150HP Engine Control Unit Module ECU 05E907309G
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Part no. A1699002000-1
Mercedes W169 W245 CD Player Radio Audio Head Unit Player A1699002000
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Part no. 04L906021BG
Audi A5 8T 2.0 TDI CNHA 190HP Engine Control Unit ECU 04L906021BG Automatic
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Part no. 9259828
BMW 3 Series E92 E92N LCI Front Door Wiring Loom Harness Passenger Side 9259828
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Part no. A2219007701
Mercedes W221 Door Module Rear Right Left N/O/S Control Unit A2219007701
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Part no. 34F231002
Fiat Alfa Lancia 4 Pin Red Relay Omron 1/11299/85 12V 30A 34F231002 SET
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Part no. A0009009109
Mercedes-Benz E-Class W207 W212 EGR Exhaust Control Unit Module ECU A0009009109
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Part no. 9387163
BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 9387163
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Part no. 1K0953549CA
VW Golf 5 Steering Angle Steering Wheel Column Control Module 1K0953549CA
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Part no. 9339274
CAS4 Module BMW F01 F07 F10 F11 F12 X3 F25 Key Reading Control Unit 9339274
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Part no. A1645405662
Mercedes W164 Central Gateway Control Unit Module A1645405662
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Part no. 8K0907289C
Audi A5 8T BCM Body Comfort Convenience Module Unit ECU 8K0907289C
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Part no. A6111532379
Mercedes-Benz W203 C 220 CDI OM611 Engine Control Unit Module ECU A6111532379
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Part no. 0165459232
Mercedes Sprinter W901 Central Lock Locking Control Unit Module A0165459232
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Part no. 97AP18C815HA
Ford Transit Connect CD Player Radio Stereo Audio Head Unit RDS EON 97AP18C815HA
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Part no. 6948577
BMW E60 Light Control Unit Module LM E6X MAN.LWR Lear 6948577
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Part no. 9210510-1
BMW E81 E82 E87 LCI E90 Radio Business CD Player Unit 9210510
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Part no. 8582719-3
Mini Cooper D F55 F56 B37 116HP Engine Control Unit ECU DDE 8582719 Manual
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Part no. RHD-8R2035186G
Audi A5 8F Radio Stereo CD Player Reader Head Unit MMI Multimedia 8R2035186G
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Part no. 8J0907115AS
Audi TTS Mk2 8J 2.0TFSI CDLB 272HP Engine Control Unit ECU 8J0907115AJ Automatic
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Part no. A2125402605
Mercedes W212 Rear Suspension Shock Left N/S Sensor Wiring Cable A2125402605
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Part no. 9803651
MINI Countryman R60 Holder Amplifier Bracket Holder Mount Hi-Fi Unit 9803651
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Part no. 6980130
Module ULF BMW X3 X5 E53 E83 E87 Hands Free Bluetooth Charging 6980130
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Part no. 8N0959655A
Audi TT 8N Air Module Control Module Unit ECU 8N0959655A
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Part no. 8W0959121A-1
Audi A4 B9 A5 F5 Air Module Pedestrian Protection Crash Sensor 8W0959121A
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Part no. 6825527
BMW F15 F16 Body Domain Controller BDC Control Unit Module LR01 ECU 6825527
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Part no. 2386887
Ford Transit Mk8 Fuse Box Power Distribution Junction Relay Unit BK3T-9K499-BBB
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Part no. 6956020
BMW MINI Cooper Cabrio Convertible R52 Rear Bumper PDC Cables Wiring Loom Set
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Part no. 8510221-9
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
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Part no. 6859721
VDC Module BMW F01 F07 F10 F11 F12 Rear Suspension Level Control Unit 6859721
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Part no. 7557290-2
BMW E87 E90 120i 320i N46 150HP Engine ECU KIT DME CAS2 + Key 7557290 Manual
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Part no. A2124405833
Door Wiring Mercedes W212 Loom Cable Rear Left Right N/O/S A2124405833
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Part no. A1779008511
Door Module Mercedes W177 W247 Rear Left Right N/O/S Control Unit A1779008511
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Part no. 9287265
BMW F10 M5 Active Sound Unit Control Module Design Amplifier 9287265
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Part no. GPBM2022H-NBT-2
BMW F20 CarPlay Android Auto Tuning Solutions Head Unit Retrofit NBT MMI Box
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Part no. 3457434
Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434
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Part no. 8655341
BMW X1 F48 Differential Lock Module Rear Axle Control Unit ECU 8655341
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Part no. A1715408909
Mercedes R171 Rain Light Sensor Wiring Harness Cable A1715408909
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Part no. A6461532079-1
Mercedes W211 E220 CDI OM646.961 150HP Engine Unit ECU Kit A6461532079 Key Lock
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Part no. A2034400033-1
Mercedes CLC CL203 1 Wiring Loom Cable Door Front Left Right N/O/S A2034400033
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Part no. 9366159
Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI System Unit 9366159
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Part no. 9252816
BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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Part no. 281150198R
Renault Trafic 3 Captur 1 Vivaro B Radio Nav Head Unit Display Screen 281150198R
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Part no. 60684944
Fiat Alfa 159 Maserati Quattroporte Windscreen Rain Sensor Module Unit 60684944
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Part no. 8473185
BMW F20 F30 Mini F56 Diesel B37 B47 ECU DDE Engine Control Unit 8587952 Manual
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Part no. 8X0907063N
Audi Q3 8U A1 8X BCM Body Control Unit Module ECU 8X0907063N
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Part no. CRTD4BT
BMW E90 LCI Power Box Module Wiring Cable Harness CRTD4BT
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Part no. 038903143AG
VW Polo 9N MK4 Fabia II 1.4 TDI BMS Alternator Mount Support Bracket 038903143AG
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Part no. rhd-9148027-1
BMW X1 E84 E90 E91 Petrol Instrument Cluster Speedo Clocks Manual 9148027
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Part no. rhd-6946358
BMW E60 E61 E63 E64 Holder Bracket Engine Control Unit Support Box 6946358
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Part no. 8571905-3
Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Apec 0986024980
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Part no. 8P0959433J
Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit ECU 8P0959433J
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Part no. 8374798
BMW 3 Z3 Series E36 Airbag Control Unit Module Sensor ECU 8374798
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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 .