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. 3D0915181C
Volkswagen Phaeton 3D 5.0 V10 Battery Control Module Unit ECU 3D0915181C
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BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables Set 8635811
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Ford Transit Connect Control Unit Central Door Locking Module ECU 9T1T15K600ED
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Ford Focus Mk3 Dashboard Multimedia Display Screen Unit F1FT-18B955-GC
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Mercedes W639 OM651.940 136HP 113 CDI Engine Unit ECU Kit A6511501879 Key Lock
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BMW X3 E83 Radio Navigation System CID Control Unit CD Player 6932812
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Mini One R56 LCI R60 N16 98HP Engine ECU Kit DME 8625068 CAS 3 + Key Automatic
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Mercedes-Benz ML W163 270 CDI Engine Control ECU Kit A6121533279 Key Automatic
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Part no. 8570673-2
Alternator Generator BMW F07 F10 F11 FN57N N57Z Diesel Engine Valeo 8570673
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Mercedes W447 Fuse Box Module Cover Trim Trunk A4475460064
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BMW X5 E70 X6 E71 30dX Diesel N57 245HP ECU Kit DDE 8517015 CAS3 Key Automatic
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Air Module Mercedes Vito W639 Sprinter W906 Control Unit ECU Sensor A9064461542
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Mercedes Vito W639 Wiring Harness Rear Boot Trunk Lid Tailgate Loom A6394405109
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Part no. A6461502072
Mercedes-Benz W204 C220CDI Diesel Engine Control Unit Module ECU A6461502072
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Part no. A6461505091-1
Mercedes C209 CLK220 CDI 646.966 Engine ECU Kit A6461505091 Keys Lock Automatic
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Part no. KK21-12A650-FA-2
Ford Transit Custom 2.0 EcoBlue 130HP Engine ECU Kit KK2112A650FA Automatic
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Part no. 7165845
BMW E46 Led Indicator Side Light Signal 7165845
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Part no. A9065403815
Mercedes Sprinter W906 OM651 Battery Wiring Harness Loom Cable A9065403815
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Part no. 8631727-3
BMW Z4 E89 Roadster 18i N20 156HP ECU Kit DME CAS3 + Key 8631727 Manual
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Part no. 6952290
Mini Cooper Cabrio R52 Convertible Folding Roof Control Unit Module ECU 6952290
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Part no. A2219007301
Mercedes W221 Front Door Control Left N/S Module Unit ECU A2219007301
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Part no. 7616119
Alternator Generator BMW F10 F11 F20 F21 F30 F31 N55 Denso 14V 210A 7616119
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Part no. 8A6118B955BL
Ford Fiesta MK7 Display Screen Multifunction Radio Dashboard 8A6118B955BL
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Part no. 8375653
BMW 3 5 Series E39 E46 Positive Battery Terminal Cover Cap Red 8375653
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Part no. 8518568-3
BMW F20 F30 120d 320d ed Diesel N47N 163HP ECU Kit DDE 8518568 + Key + FEM
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Part no. F1BT18C815HK
Ford Transit Connect Mk2 II Radio Stereo CD Player Head Unit F1BT18C815HK
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Part no. 9278356
Mini Cooper R57 Wiring Loom Harness Rear Trunk Lid 9278356
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Part no. 5E0919605J
Skoda Octavia 5E Sat Navi Stereo Radio Audio Head Unit Player Screen 5E0919605J
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Part no. 9197002
BMW X5 Z4 E70 E89 HiFi Stereo Audio Sound System Amplifier 9197002
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Part no. a4479005517
Mercedes Vito W447 Head Unit Radio DAB Navigation GPS Nav Display A4479005517
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Part no. A6397602004
Bowden Cable Mercedes W639 Rear Right O/S Sliding Door Handle Catch A6397602004
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Part no. 06K907425B-23
Audi S3 8V 2.0 TFSI 300HP CJXC Quattro Engine Control ECU 06K907425B Manual
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Part no. 8092797
Engine Wiring BMW F87 M2 F82 F83 M4 S55 Loom Module Harness Cable 8092797
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Part no. A1695406945
Mercedes SLK R171 Gateway Control Unit Gateway Module ECU A1715405145
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Part no. 8V0907376E
Audi A3 RS3 8V AMR Module Rear Suspension Damper Control Unit 8V0907376E
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Part no. 8P4035223D
Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223D
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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. 8378107
BMW X5 Series E53 Electrical Power Distribution Fuse Box 8378107
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Part no. 6Q0035152D
VW Volkswagen Polo 4 9N Radio CD Player Stereo Audio Head Unit 6Q0035152D
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Part no. KK3T-14D068-JC
Ford Transit Custom Mk8 Fuse Box Power Distribution 2.0 Diesel KK3T-14D068-JC
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Part no. 9286785
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9286785
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Part no. 7809000
BMW E60 E87 E90 120d 320d 520d N47 ECU Control Unit Module DDE 7809000 Manual
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Part no. A9064460742
Mercedes Sprinter W906 Air SRS Bag Control Module Unit 0285010033 A9064460742
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Part no. 1K0035507F
VW Golf V 5 1K Roof Top Antenne Control Unit Module 1K0035507F
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Part no. A1561540102
Mercedes W204 C63 AMG M156 Engine Alternator Generator BOSCH 180A A1561540102
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Part no. 7570299
BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7570299
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Part no. A6461503278
Mercedes Vito W639 OM646.982 109HP Engine Module ECU Unit A6461503278 Manual
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Part no. 8P7959255
Audi A3 8P Convertible Roof Control Module ECU 8P7959255
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Part no. A2095450001
Mercedes CLK W209 Fuse Box Relay Control Unit Module SAM Fuse Box A2095450001
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Part no. 8K0035474B
Audi A4 B8 A5 8T Connector AUX Adapter Port Socket Plug 8K0035474B
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Part no. A2469002603
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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Part no. 6C1T-10B728-AC-1
Ford Transit Mk7 Battery Crash Disconnection Control Relay 6C1T-10B728-AC
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Part no. 7619333-2
Mini Cooper S R55 R56 LCI N18 1.6 184HP ECU Kit DME 7619333 + CAS3 + Key Manual
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Part no. 9367673-1
Mini Cooper F55 F56 F57 LED Navigation Visual Boost 6,5" Display Screen
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Part no. 7565300-21
BMW E87 E90 118i 318i N46 129HP Engine Control ECU DME Kit 7565300 Automatic
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Part no. 7633959
BMW F10 F12 F13 M5 M6 S63N 560HP ECU Control Unit Module DDE 7633959 Twin-Clutch
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Part no. 9123042-1
Steering Column Switch BMW E87 E81 E91 Cluster Cruise Control Stalk 9123042
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Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079012200
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Part no. 7555361-8
BMW E60 E90 N52 325i 525i 218HP Engine ECU Kit DME 7555361 CAS2 Key Automatic
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Part no. A0009063705
Alternator Mercedes W212 S212 Diesel OM651 Alternator 220A Valeo A0009063705
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Part no. 9666663780
Peugeot 3008 PDC Module Parking Distance Control Unit ECU 9666663780
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Part no. 8K0907063C
Audi S5 8T Body Comfort Control BCM Supply Module Unit ECU 8K0907063C
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Part no. 8588898
BMW 1 5 7 Series F20 F21 LCI G11 G30 G31 Diesel Starter Motor Engine 8588898
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Part no. 0AM911023N
Audi A3 8V 1.4 TFSI Petrol Starter Motor Engine Actuator Unit 0AM911023N
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Part no. YC15-10A687-A9W
Ford Transit Battery Cover Fuse Box Trim Panel Lid YC15-10A687-A9W
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Part no. 8699955
Engine Control Unit BMW F20 F21 F22 118i 218i B38 136HP ECU DME 8699955 Manual
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Part no. 9133329
BMW E39 E46 E81 E87 E90 Hands-Free Electronics Charging Module MULF 9133329
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Part no. 93867998
Vauxhall Vivaro B Radio Stereo Head Unit Mount Bracket Holder Support 93867998
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Part no. 9331597
BMW F20 F21 F22 F30 F31 Alpine CD Radio Player Head Control Unit 9331597
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Part no. 7565300
BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME Manual 7565300
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Part no. 8734748
Telematics Control Unit BMW F20 F31 LCI F32 Module ATM ECE 4G WLAN 8734748
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Part no. A2128702751
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702751
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Part no. 5WA035284F
VW Volkswagen Golf Mk8 Online Services Module Control Unit ECU 5WA035284F
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Part no. 8634166
Alternator BMW G20 G30 G14 B47 B48 B58 B46 Alternator 180A 14V 8634166
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Part no. 1K0971235
VW Volkswagen Touran 1T Battery Wire Cable Negative Earth Lead 1K0971235
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Part no. 6858700
Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Control Unit Air Bag 6858700
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Part no. 9178862
BMW 1 3 Series E87 E90 Hands-free Electronics Bluetooth Module MULF2 9178862
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Part no. 4L0907566A
AUDI Q7 4L Lane Assist Module Blind Spot 4L0907566A
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Part no. 06M911021A
Audi SQ5 FY Starter Motor Engine Diesel Bosch 06M911021A
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Part no. 7561684-2
BMW 3 5 Series E60 E90 E91 330i 530i N52 Engine ECU Kit DME CAS2 Key 7561684
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Part no. 8J0057186JX
Audi TT 8J Radio Head Unit CD Audio Player Control Unit 8J0035186J
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Part no. 7589971-11
Mini One R56 N12 95HP ECU Engine Control Kit DME 7589971 + CAS3 + Key Automatic
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Part no. A2215402250
Mercedes W221 SAM Relay Fuse Box Module Control Unit ECU A2215402250
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Part no. 8639582-3
BMW F30 335i F32 F33 435i N55 306HP Engine Control ECU Kit 8639582 Automatic
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Part no. 9286479
BMW F10 F11 LCI Front Bumper PDC Sensors Loom Cables Wiring Set 9286479
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Part no. 5QA919283B
Skoda Octavia 5E III Park Parking Assist PDC Distance Control Module 5QA919283B
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Part no. 7570253
MINI Cooper S R52 R53 Automatic Gearbox Basic Control Unit Module EGS 7570253
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Part no. 2Q0971537AB
VW Polo Mk6 Seat Ibiza Mk5 KJ1 Battery Negative Cable Earth Wiring 2Q0971537AB
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Part no. 6855990
BMW X3 F25 ICM Control Unit Air Bag Module SRS Safety ECU 6855990
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Part no. 7565300-3
BMW E87 E90 E91 118i 318i N46 ECU Kit DME 7565300 CAS3 + Key Manual
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Part no. 8580307-2
BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8580307 CAS3 Key Automatic
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Part no. 8576333-2
Engine Unit ECU BMW F20 F30 F32 120dX 320dX 420dX N47N 184HP DDE 8576333 Manual
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Part no. A1695405645-1
Mercedes W169 SAM Module Control Fuse Box Unit A1695405645
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Part no. 9231091
Bluetooth Control BMW E60 E87 E90 Telematics Unit Module 9231091
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Part no. 5B31359
BMW i4 G26 Fuse Box Front Body Control Module ECU BCM Unit 5B31359
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Part no. 2T1T-15K600-BD
Ford Transit Connect Central Lock Control Unit Alarm Module ECU 2T1T-15K600-BD
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Part no. 9263803-2
BMW E90 Max Brose Footwell Light Module Control Unit FRM3R 9263803
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Part no. 1742690-3
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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Part no. 8715339-1
Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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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 .