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. 8506666-1
Mini One R56 LCI 90HP N47N Diesel Engine ECU Kit DDE CAS 3 Key 8506666
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Part no. 6938943
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 6938943
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BMW 1 2 3 F20 F21 F22 F30 F31 Radio Professional CD Bluetooth Player 9281517
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Keys Manual
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Battery Starter Wiring Mercedes W176 W246 Harness Cable Positive A2465407932
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BMW E91 LCI ECU Body Control Module H4 PL2 JBBFE Junction Box 9187544
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Ford Transit MK7 2.2 TDCI P8FA Diesel Engine Control Unit ECU AC1112A650BC
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BMW X5 Series E70 Power Distribution Fuse Box Front 9145115 6931690
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Part no. A4479001000
Mercedes Vito W447 Air Module Sensor Control Unit ECU A4479001000
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Part no. 7573029
Mini Cooper R55 R56 IBS Negative Battery Lead Cable
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BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9217853
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Part no. 8510832-1
BMW E90 E91 LCI 318d Engine N47N 143HP ECU Kit DDE 8510832 CAS3 Key Automatic
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Part no. 9201128
Rollover Controller BMW E88 E93 Mini R57 Convertible Control Unit Module 9201128
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Part no. 6954776
BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776
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Part no. 6955004
BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
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Part no. 070911023C
Volkswagen Touareg Diesel Engine Starter Motor Actuator Starter 070911023C
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Part no. A1715451701
Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451701
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Part no. 9832609
Audio Amplifier BMW F40 G05 G20 G30 Top Hifi Harman Kardon Control Unit 9832609
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Part no. A0009060401-1
Alternator Mercedes W204 W207 OM651 14V 150A Engine Start/Stop A0009060401
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Part no. 7580279-3
BMW E87 LCI E90 120i 320i N43 170HP ECU Engine Control Unit DME Manual Gearbox
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Part no. 6g9n-18c815-ta
Land Rover Freelander 2 Radio Stereo CD Player Head Unit 6g9n-18c815-ta
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Part no. 9305739
BMW X1 E84 ECU Body Control Module M PL2RR JBBFE IIIR Junction Box 9305739
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Part no. 7834713
BMW E60 E61N LCI E63 M5 M6 Control Unit For Ionic Current 7834713
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Part no. 6917549
Mini Cooper R50 R52 R53 Rear Bumper PDC Ultrasonic Sensor Cosmos Black - 303
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Part no. 7557395-16
MINI Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Automatic
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Part no. 6977759-1
BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6977759
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Part no. 9361145
Mini Cooper One R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9361145
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Part no. 9117877
BMW F20 F21 F30 F31 F32 F33 Negative Minus Pole IBS Battery Lead Cable 9117877
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Part no. 7533103
Mini Cooper S R52 R53 W11 Engine Wiring Loom Harness 7533103
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Part no. 7589971-10
BMW Mini One R56 N12 1.4 N12B14A 95HP Petrol ECU Kit DME 7589971 + CAS3 + 2 Keys
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Part no. 9326010
Radio Player BMW F20 F21 F30 F31 CD DAB Bluetooth Head Unit Audio Player 9326010
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Part no. 9812535
Mini Cooper Countryman R60 Fuse Distribution Box Module 9812535
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Part no. 7589971-13
Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME 7589971 CAS3 Key Automatic
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Part no. A1695451940
Mercedes W169 W245 Fuse Box Module Unit A1695451940
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Part no. 3457413
Mini Cooper One R56 High PL3 SPEG H4 Relay Fuse Distribution Box 3457413
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Part no. A9069014700
Air Module Mercedes W639 W906 Control Unit ECU Air Sensor 0285011060
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Part no. 7810000-2
BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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Part no. 9261580
BMW F20 F21 F30 F31 PDC Parking Sensor Ultrasonic Glacier Silver A83
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Part no. A2469001317
Mercedes-Benz A B W176 W246 160 180 CDI Transmission Control Unit Module ECU
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Part no. 03P903023D
VW Seat Skoda Polo MK5 Diesel Engine Alternator Generator 140A 14V 03P903023D
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Part no. 6953044
BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6953044
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Part no. A0131549002
Alternator Generator Mercedes W204 W211 OM646 Diesel Bosch 180A A0131549002
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Part no. 7553735-5
MINI R50 R52 One 1.6i 90HP Engine ECU Kit DME 7553735 + Key + EWS Manual
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Part no. 7229173
Fuel Pump Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump Module ECU 7229173
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Part no. 7316145
BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145
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Part no. 7788327
Preheating Control BMW E46 E60 X3 E83 E90 E91 Glow Plug Unit Diesel
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Part no. 7797660
Alternator BMW X3 E46 X5 E53 E85 Diesel Generator 150A 7797660
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Part no. 8W0035736
Audi A4 B9 Connector AUX USB Adapter Port Socket 8W0035736
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Part no. 6975015
BMW 1 3 X1 Z4 Series E81 E84 E87 E88 E89 E90 E91 E92 Radio Business CD 6975015
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Part no. 8W0907217B
Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B
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Part no. 9197154
BMW 1 Series E81 LOW Light control footwell module ECU PL2 FRM II 9197154
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Part no. 9370431
BMW X1 Series F48 KaFAS Camera Assist Speed Limit Control 9370431
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Part no. 9158040
Mini R55 R56 R57 Flat Cable Wiring Wire CAS 9158040
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Part no. 9299592
BMW F10 F11 Central Gateway Module ECU Control Unit Lear ZGW-02 4SK 9299592
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Part no. 6C1112A650AN
Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual 6C1112A650AN
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Part no. 7601189
BMW Mini Cooper R55 R56 LCI N16 Engine Wiring Loom Injection Ignition
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Part no. 7515029
Mini Cooper One R50 R52 Petrol W10 Compact Alternator 105A 7515029
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Part no. 03L907309
VW Volkswagen Crafter 2.0 TDI CKTB 109HP Engine ECU Kit 03L907309 Manual Gearbox
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Part no. 7209286
BMW E60 E61 E81 E87 E90 Control Unit For Fuel Pump ECU 7209286
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Part no. 9205962
Radio Professional BMW E81 E87 E90 E91 E92 Autoradio CD Player 9205962
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Part no. 8R0919604A
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
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Part no. 9302159
BMW X1 E84 E87 E90 E91 E92 LCI Radio CD Professional DAB 9302159
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Part no. 6975015-1
BMW X1 Z4 E81 E84 E87 E88 E89 E90 E91 E92 1 Radio Business CD 6975015
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Part no. 9166708-1
BMW E92 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Part no. 9257161
Bluetooth Module BMW E81 E87 E90 E91 LCI Combox Telematics 9257161
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Part no. A2129009705
Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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Part no. 6982386
BMW X1 E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6982386
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Part no. 8506666-2
Mini Cooper D R60 ALL4 N47N Diesel Engine ECU Kit DDE 8506666 CAS3 Key Manual
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Part no. 9240532
BMW E90 LCI Footwell Light Control Module Lear FRM3R PL2 LED 9240532
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Part no. 7595179-2
BMW 1 Series E81 E87 LCI N43 116i 2.0 Petrol ECU Kit 7595179 DME CAS3 Key
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Part no. 6956505
BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505
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Part no. 9150889
BMW E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9150889
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Part no. 9233034-SCG
PDC Parking Sensor BMW X5 E70 F10 F11 F12 Ultrasonic Sensor Space Grey 9231283
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Part no. 9351679
BMW F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9351679
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Part no. A2059009427
Mercedes W205 Front Air Module SRS Control Unit ECU A2059009427
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Part no. 7796571
BMW X3 E83 2.0d M47N2 Diesel Engine Control Unit ECU DDE 7796571 Manual
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Part no. 4G0035061N
Audi A5 8T Stereo DAB CD Player Radio Receiver Head Unit 4G0035061N
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Part no. 9131780
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780
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Part no. 1480790-1
Mini R50 R53 Fuse Relay Electrical Box Housing With Cover 1480790
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Part no. 9267609
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609
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Part no. 7792544-1
Mini One D R50 Diesel W17 88HP Engine ECU Kit DDE 7792544 + EWS + Keys Manual
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Part no. A2124400314
Mercedes W164 W204 Fuel Pump Module Control Unit ECU A2124400314
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Part no. 7550469-3
BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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Part no. A1699010100
Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
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Part no. 9253111-2
BMW 1 2 Series F20 F21 F22 2 Positive Plus Pole Battery Blow Cable 9253111
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Part no. 6922801
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6922801
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Part no. 9123041
Steering Switch Cluster BMW E88 E90 E92 Column Indicator Wiper Stalk 9123041
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Part no. 7552176-7
BMW Z4 E85 2.0i N46 150HP ECU Engine Control Kit DME 7552176 CAS2 Key Manual
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Part no. 7811700
BMW 1 3 Series E81 E87 LCI E90 E91 120d 320d N47 ECU KIT DDE CAS 3 Key 7811700
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Part no. 8630125
BMW F20 F21 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8630125 Manual
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Part no. 7587548-2
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS 3 + Key Manual
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Part no. 9247472-2
BMW E84 ECU Body Control Module Junction Box H2 9247472
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Part no. 7553735-1
Mini R50 R52 DME Petrol Engine Control Unit ECU 7553735 Manual
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Part no. 9270365
BMW F20 F21 F30 F31 F32 Radio Professional CD DAB Head Unit 9299268
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Part no. 8X0907063AF
Audi Q3 S Line BCM Body Control Module Unit ECU 8X0907063AF
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Part no. 6977724
BMW 3 Series E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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Part no. 7527610-7
MINI Cooper R53 W11 170HP Engine ECU Kit DME 7527610 EWS Key Manual
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Part no. A2198202526
Light Module Mercedes W209 W219 W164 Headlight Headlamp Control Unit A2198202526
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Part no. 8K0915181E
AUDI A4 B8 Battery Negative Cable Clamp Control Module Terminal 8K0915181E
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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 .