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. 3453934
Heater Wiring Mini R55 R56 R57 R60 A/C Air Conditioning Harness Loom 3453934
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045455401
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Front Camera Module Mercedes C118 W177 W247 Lane Assist Control Unit A2479007709
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MINI Cooper R50 R52 1.6i 116HP W10 Engine ECU Kit DME 7553735 + Key + EWS Manual
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Mercedes W204 OM646 Diesel Engine Wiring Harness Loom Cable A6461503456
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BMW 5 Series E60 LCI ECU Body Control Module Unit KBM Basis 9168833
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Mercedes GLE 250 AM Tailgate Trunk Control Module Unit A1669008512
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Halfords Advanced 12V AGM 115 Start Stop Accumulator Battery 80Ah 800A
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BMW E92 E93 330d M57N2 231HP Engine ECU Kit DDE 7805286 + CAS3 + Key Automatic
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Gateway Module Mercedes C216 W221 Central Control Unit A2215406462
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BMW F30 B47 318d 150HP Engine Control Unit ECU DDE 8589141 + Key Automatic
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Head Unit Mercedes W205 GLC C253 W447 Radio Navigation Media Unit A2059009128
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BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R 6827065
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Audi Q7 4L Quattro Diesel 3.0 TDI ALternator Generator 180A Bosch 059903018K
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BMW E90 Light Control Footwell Module ECU MAX Brose FRM3R PL2 Lear 9390491
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BMW F20 F21 125d N47N Engine Control Unit ECU Kit DDE 8576364 Key FEM Automatic
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BMW 7 Series E65 E66 Navigation Sat Nav System CD Computer Player 6925270
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BMW Z4 E89 Door Wiring Harness Loom Front Driver's Side Cable 9255605
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Ford Transit Mk8 Radio Stereo Multi Media Sat Nav Head Unit JK2T18K810LB
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BMW EXIDE 12V Accumulator Battery 70Ah 570A 8381730
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BMW 1 2 3 4 F20 F21 F22 F30 F31 F32 F36 Module Body Control Unit FEM 9315685
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BMW E90 E91 E92 E93 AHK Towing Hitch Tow Bar Control Module Unit ECU 6773731
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BMW X5 E70 Telematics Bluetooth Control Unit Module ECU Continental 9205930
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Part no. 8K0907063D
Audi A4 B8 A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907063D
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BMW 3 5 7 X5 Series E61 E65 E70 E90 Telematics ECU Control Unit GSM 9206778
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Part no. 8796100
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 8796100
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Mercedes R171 W204 W212 Starter Motor Bosch M272 Engine Petrol A0061516001
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Part no. 9149656
Bluetooth Module BMW E81 E87 E90 E91 Hands-free Control Unit MULF2 9149656
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Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049005810
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Mercedes GL W164 Radio Player Audio Stereo CD Player Head Unit A1648707889
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Part no. 7561834-10
BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Key Manual
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Part no. 6825520
BMW F45 F46 Body Domain Controller BDC Control Unit Module LR01 ECU 6825520
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Part no. 9291776
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9291776
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Part no. 1025-03-1
BMW F32 GPS Navigation Display Screen Android Auto CarPlay 10,25"
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Part no. 8578818
Fuse Box Cover BMW G30 G31 G11 G15 Holder Bracket Mount Housing Trim 8578818
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Part no. 8610484-2
BMW F20 F21 116i N13 136HP Basic Engine Control Unit ECU DME 8610484 Manual
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Part no. 9897879-5
Mini Cooper F55 F56 F60 B38C 1.5 136HP Engine Module ECU DME 9897879 Automatic
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Part no. A1648704126
Headlight Ballast Mercedes ML W164 GL X164 Xenon Control Unit Module A1648704126
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Part no. 6874746
BMW F45 F46 I01 Mini F55 F56 Parking Assistant PDC Control Unit Module 6874746
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Part no. 7807828-1
BMW E87 LCI E90 118d 318d N47 Diesel ECU DDE CAS3 Key 7807828 Automatic Gearbox
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Part no. 7545789-5
MINI Cooper R50 W10 116HP Engine ECU Kit DME + EWS + Key 7545789 Manual Gearbox
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Part no. A6079002300-2
Mercedes W176 180 CDI OM607.951 Blue Efficiency ECU Kit A6079002300 Key Lock
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Part no. 3442133-1
BMW Mini Cooper One R55 R56 R57 1 Aerial Roof Antenna Base Unit 3442133
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Negative Cable BMW X5 F15 X6 F16 Battery Boot Negative Lead Sensor 9380966
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Radio Head Unit Ford Transit Connect 6000 CD Media Player Unit 6C1T18C815AH
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Renault Trafic 3 BSI BSM Body EMM-T4 L3 Control Unit Module 231A08052R
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451001
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Part no. 8589891
Starter Motor BMW G20 G21 G30 G31 G32 GT G11 B57 3.0 Diesel Engine 8589891
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Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704926
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Radio Player BMW F40 Multimedia Head Unit Radio CD Player ALPINE 5A8F4C7
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Part no. A1569002901
Mercedes W204 C63 AMG 457HP M156.985 Engine Unit ECU Kit A1569002901 Key Lock
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Part no. A0131546802
Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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Part no. 6941986-1
BMW R53 EWS III Central Lock Immobilizer Control Module ECU 6941986
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Part no. 9247474
BMW 1 Series E88 ECU Body Control Module H3 Junction Box PL2RR 9247474
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Part no. A9068201486
Mercedes Vito W639 Sprinter W906 CD Audio Stereo Radio Head Unit A9068201486
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Part no. A2105400072
Fuse Box Mercedes W210 R170 Multifunctional Relay Fuse Unit Module A2105400072
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Part no. 4H0907163A
Audi A7 4G S-Tronic NSK Automatic Gearbox Control Module Unit 4H0907163A
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Part no. A0009009209
Mercedes W205 C253 Diesel Adblue Module Control Unit ECU A0009009209
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Part no. 7810001-1
BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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Part no. FU5T-14B192-AA
Ford Transit Mk8 Relay 5-Pin Blue FoMoCo FU5T-14B192-AA 4RC933364
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Part no. 7640015-5
BMW E81 E87 LCI E90 118i 318i 143HP N43 Engine Control ECU DME 7640015 Manual
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Part no. 7579142-19
BMW E87 LCI E90 118i 318i N43 143HP ECU Kit DME 7579142 CAS3 Keys Manual
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Part no. 6965147
Air Module BMW Z4 E85 Control Unit ECU SRS 6965147
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Part no. A1765401602
Mercedes W176 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1765401602
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Part no. 7176068-1
BMW E46 E63 X3 E83 MINI R50 R53 Control Unit Xenon Light 1307329082
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Mercedes W164 Sound Audio Amplifier Harman Becker Control Unit A2518209589
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Part no. 7809944-6
BMW X5 E70 3.0d M57N2 235HP Engine ECU KIT DDE 7809944 CAS3 + Key Automatic
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Part no. 8509036-5
BMW E60 E63 LCI E90 335d 535d 635d M57N2 286HP Engine ECU DDE 8509036 CAS3 Key
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Part no. 8617551
BMW F20 F22 F30 F31 Petrol N20 ECU DME Engine Control Unit 8617551 Automatic
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Part no. 7951069
KaFAS Camera BMW F45 Front Camera Control Unit Module 9384688
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Part no. 281151545R
Mercedes Citan W415 Radio Audio Player Stereo Head Unit USB BT MP3 281151545R
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Part no. 4F0035061D
Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035061D
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Part no. 7803373-7
BMW X3 E83 LCI M47N2 2.0d 150HP ECU Engine Control Unit DDE 7803373 Manual
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Part no. A2711541402
Mercedes W203 W204 M271 Engine Alternator Generator Valeo 120A 14V A2711541402
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Part no. A6519007003-2
Mercedes GLA 220d X156 4matic 651.930 177HP Engine ECU Kit A6519007003 Automatic
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Part no. 7561834-14
BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Key Automatic
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Part no. A6519007600-2
Mercedes W176 A200 CDI BlueEFFICIENCY OM651.901 Engine Module ECU A6519007600
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Part no. 7808778-1
Mini Cooper D R55 R56 Diesel W16 Diesel ECU Kit DDE 7808778 CAS3 + Key Manual
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Part no. 8583423-1
Mini Cooper D R60 R61 N47N 112HP Engine ECU Kit DDE 8583423 CAS3 Key Automatic
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Part no. 9393660
BMW F10 Central Gateway Module Control Unit Lear ZGW-02 4SK 9393660
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Part no. 7620985-2
Mini Cooper S R60 ALL4 N18 1.6 184HP Engine Control ECU Unit DME 7620985 Manual
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Part no. rhd-7529723
BMW 5 Series E60 E61 520i 525i 530i Petrol M54 Engine Wiring Wire Loom 7529723
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BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9181326
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Radio Player BMW F25 F26 GPS DAB Bluetooth Head Unit Audio Player 8792177
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Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655C
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Part no. 8586766
Mini Cooper D F54 F55 F56 B37 Diesel Engine ECU DDE 8586766 116HP Manual
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BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9210508
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BMW X1 F48 Pedestrian Protection Impact Crash Sensor Module PTS 9354290
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Part no. 9678048880
Alternator Generator Peugeot 208 308 Partner Diesel 12V 9678048880
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Part no. rhd-6914000
BMW 7 Series E65 E66 Wiring Loom Servotronic Connecting Cable 6914000
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Part no. 8577835
BMW F10 F30 330d 530d 258HP Engine Control Unit N57N ECU DDE 8577835 Automatic
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Part no. 4F0907801B
Audi A6 C6 Electric Parking Hand Brake Module Control Unit ECU 4F0907801B
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Part no. NAPA-AGM-80AH
NAPA AGM Accumulator Car Battery Electrical Unit 80Ah 800A 12V AGM115N
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Part no. 9221719-1
Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9221719
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Part no. 9500006
Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 9500006
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Part no. 7258363
BMW F10 F25 F25 F01 F03 Tailgate Lift Rear Function Module Control Unit 7258363
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Part no. 7805287-1
BMW E60 LCI E90 E70 3.0sd 335d 535d M57N2 286HP Engine ECU Kit DDE 7805287 Auto
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Part no. 9237968
BMW F07 GT Central Gateway Module ECU Control Unit Lear ZGW-01 High 9237968
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Part no. 6942507-1
MINI Cabrio R52 R53 Battery Cable Lead Positive Plus Pole Wiring 6942507
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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 .