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. 8516122
Battery Cable BMW X5 F15 X6 F16 Alternator Starter Wiring Loom Harness 8516122
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Part no. rhd-A2214403333
Mercedes W221 Battery Cable Starter Alternator Wiring Harness A2214403333
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Part no. 9261617-EB2
PDC Parking Sensor BMW F20 F30 F82 Ultrasonic Sensor Estoril Blue Metallic B45
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Mercedes W211 Seat Heating Control Unit Module ECU E-Class A2118702026
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BMW E81 E87 LCI E90 116i 316i 1.6 N43 ECU Kit DME 7583225 CAS3 Key Manual
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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6980246
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Part no. 7812500-5
BMW E60 E61 LCI 520d N47 Diesel Engine Control Unit ECU DDE 7812500 Manual
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VW Amarok Mk2 Front Door Wiring Harness Keyless Left Right N/O/S N1WT-14F514-PFD
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Part no. 6957504
BMW 6 Z4 Series E64 E85 Sensor B-pillar Airbag Right O/S 6957504
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Mercedes SLK R170 Fuse Relay Box Cover Trim Panel Lid Housing A1705450003
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Part no. 03E906033
VW Polo Petrol Engine Control ECU Manual Siemens 5WP1630440 03E906033
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Part no. 8U0955559B
Audi A5 8T Windscreen Rain Sensor Control Unit 8U0955559B
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Part no. 045906019CA
VW Polo 9N 1.4 TDI BNV Diesel Engine Control ECU Manual Siemens 045906019CA
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Part no. 9240643
BMW E70 E90 E91 E92 DVB-T TV Tuner Module Control Unit Video FUBA 9240643
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Part no. 6836759
BMW 3 X1 F30 LCI F48 Telematics Telephone Control Module ATM ECE 3G 6809306
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Part no. E87-ANDROID
BMW E81 E87 E82 E87 Dashboard Dash Screen Android 10.25" Head Unit Screen
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Part no. A2035407907
Mercedes-Benz C W203 200 220 CDI Starter Alternator Wiring Cables A2035407907
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Part no. 03G906018DN-1
Audi A3 8P 2.0 TDI 170HP BMN Engine ECU Kit Key + Ignition 03G906018DN Manual
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Part no. 7316216
Headlight Ballast Control BMW F06 F12 F13 F15 F16 LED Adaptive Module 7316210
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Part no. 9240528-1
BMW 3 Series E93 LCI Footwell Xenon Light Control Module Lear FRM3R PL2 9240528
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Part no. 6927100
BMW 5 Series E60 E60N E61 E61N LCI Rollover Battery Protection 6927100
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Part no. 4M0907355E
Audi A4 B9 8W TDI Diesel Adblue Dosing Module Control Unit 4M0907355E
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Part no. 8K2907115Q-1
Audi A5 8T 2.0 TFSI CDNB 180HP Engine ECU Kit 8K2907115Q 2 Keys + Ignition
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Part no. 8473185-3
BMW F20 F30 F45 LCI 118d 218d 318d B47 150HP Engine Control Unit ECU DDE 8473185
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Part no. A1645400701
Mercedes ML W164 Rear SAM Module Control Unit Fuse Box A1645400701
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Part no. 8K0907064GF
Audi A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907064GF
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Part no. 6827072
Mini Cooper One R57 Footwell Light Module High EKS ECU PL3 FRM3R Lear 6827072
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Part no. 9236461
BMW F10 Footwell Light Control Unit Module ECU FRM III 9236461
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Part no. A2225404419
Mercedes W222 C238 C257 Electrical Wiring Harness Loom Cable A2225404419
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Part no. 2675974
Vauxhall Vivaro B Renault Trafic III 1.6 Diesel BCM Body Control Module 2675974
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Part no. 9174269-1
BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
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Part no. 8796104
BMW X5 F15 X6 F16 ECU Body Control Module BCM 8796104
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Part no. 6760070
BMW 7 Series E65 E66 Dynamic Drive Power Steering Pump 6760070
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Part no. 2622681
BMW X5 E70 Audio Amplifier HiFi Stereo Sound System Booster Control Unit 9253197
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Part no. 9255716
BMW X5 E70 X6 E71 USB Adapter Wiring Cable 850MM 9255716
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Part no. 8506434-5
BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8506434 Automatic
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Part no. A2198201226
Mercedes C219 Passenger Door Control Module Front Right O/S A2198201226
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Part no. Halfords 76Ah Accumulator-1
Halfords 12V Calcium Accumulator Battery 76Ah 680A HCB096
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Part no. 8513250-1
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS 4 + Key Manual
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Part no. 6878198
BMW F20 F21 F25 F30 F31 ECU Air Module Crash Control Unit ICM 6878198
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Part no. 5A74F44
BMW G30 Lid Boot Hatch Trunk Tailgate Smart Opener Control Unit Module 5A74F44
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Part no. Halfords 65Ah Accumulator
Halfords 12V Accumulator Battery 65Ah 650A EFB100
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Part no. 9147191
BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9147191
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Part no. A2475408320
Mercedes W118 W177 W247 Battery Trim Panel Cover A2475408320
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Part no. 5C0937819R
Volkswagen Beetle 5C Fuse Box Relay Module Unit 5C0937819R
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Part no. 8E0907637
Audi A4 B7 YAW Sensor ESP Rotation Rate Acceleration Control Unit 8E0907637
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Part no. 3455533
Mini Cooper R57 PL3 SPEG H4 Fuse Distribution Box 3455533
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Part no. Bosch S4 007 72Ah Accumulator
Bosch S4 007 Accumulator Battery 72Ah 680A 12V
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Part no. A2469007418
Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469007418
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Part no. 93857739
Vauxhall Vivaro B Renault Trafic Rear Right O/S Lamp Frame Trim Cover Silver
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Part no. 6H5214C708AD
Land Rover Freelander 2 Front Seat Module Memory Control Unit 6H5214C708AD
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Part no. VARTA Blue Dynamic 95Ah Accumulator
VARTA Blue Dynamic Accumulator Battery 95Ah 800A 12V G3
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Part no. RHD-9281686
Display BMW F20 F21 F22 Central Information Infotainment Screen 8,8" 9281686
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Part no. 5Q0919283E
Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283E
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Part no. 7851568
BMW F80 M3 F82 M4 Actuator Drive Exhaust Flap 7851568
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Part no. 9172367
BMW X5 E70 X6 E71 Junction Box Body Control Module Electronics Unit 9172367
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Part no. A2098201375
Mercedes A209 Keyless Go Module Entry Antenne Control Unit ECU A2098201375
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Part no. 8596358-1
BMW X3 F25 20dX B47 190HP Engine Unit ECU Kit DDE 8596358 CAS4 Key
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Part no. 9206056-TS
BMW F07 GT Rear PDC Parking Distance Sensor Titan Silver - 354
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Part no. 7583225
BMW 1 3 Series E87 LCI E90 Petrol N43 DME Engine Control Unit 7583225 Manual
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Part no. 9216459
BMW 1 3 5 E60 E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9216459
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Part no. 8R0907101D
Audi Q5 8R 2.0 TDI Diesel Adblue Dosing Module Control Unit 8R0907101D
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Part no. 8642585
Gearbox Cable BMW F45 F46 F39 B48 Automatic Transmission Wiring Harness 8642585
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Part no. 9166711-1
BMW E91 Footwell Light Control Module ECU NSW PL2 FRM II 9166711
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Part no. A1645402972
Mercedes W164 Fuse Box Holder A1645402972
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Part no. 7521383-1
BMW E46 N42 316i 318i Petrol Engine Alternator Generator Remy 7521382
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Part no. 9143162
BMW 3 E92 E92N LCI Amplifier Hifi Speaker System 9143162
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Part no. 6947797
BMW 1 3 Series E81 E87 E90 E91 E92 Parking Control Module Unit PDC 6947797
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Part no. 8590041
BMW G30 G31 B47 Diesel Glow Heater Plug Engine Wiring Loom Cable 8589786
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Part no. 3452166
BMW X3 E83 Air Module Control Unit ECU 3452166
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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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Part no. RHD-4G2919601N
Audi A7 4G8 Dashboard MMI Multimedia Display Monitor Screen Popup 4G2919601N
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Part no. A2139052503
Mercedes W167 W177 W205 W213 Trunk Lid Opening Sensor Control Unit A2139052503
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Part no. 9271216
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9271216
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Part no. A2749000800-2
Mercedes W205 C350 E 274.920 279HP Engine ECU Kit A2749000800 Key Lock Automatic
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Part no. 9339824
Power Supply Module BMW G11 G30 G31 High Voltage Battery Terminal Point 9339824
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Part no. 7553735-11
Mini Cooper S R53 W11 170HP Engine ECU Control Unit DME 7553735 Automatic
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Part no. A0009009935
Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935
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Part no. 9203081-1
BMW E61 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
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Part no. 8474730-2
BMW F20 F21 F30 F31 LCI 120d 320d Diesel B47 163HP Engine ECU DDE 8474730 Manual
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Part no. A4539009506
Smart Fortwo C453 Sat Nav Control Unit Navigation Module Unit A4539009506
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Part no. 6967658
BMW E65 E66 Airbag ECU Control Unit Gateway Module 6967658
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Part no. A2129004025
Mercedes W212 Fuse Box Relay Control Unit Module SAM A2129004025
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Part no. A0009000800
Mercedes W204 W207 W212 Tyre Pressure Monitor Control Unit Module A0009000800
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Part no. 1436443
BMW 3 Series E46 Cover Electronic Box Panel 1436443 12901436443
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Part no. 7791367
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. 9227172
BMW X6 Series E71 ECU Body Control Module Junction Box PL4 9227172 61359227172
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Part no. 6962767
BMW Z4 Series E85 Roadster Cabrio Safety Information Module Airbag 6962767
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Part no. A2034404913
Mercedes-Benz CLC CL203 Rear Tailgate Boot Lid Wiring Harness Loom A2034404913
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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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Part no. 8X0035183F
Audi A1 8X Multimedia Radio CD Player Navigation Head Unit 8X0035183F
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Part no. rhd-9687153080
Peugeot 3008 1.6 HDI Diesel Engine Wiring Cable Loom Harness 9687153080
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Part no. 6819838
BMW F30 LCI G11 G30 High Voltage Battery Charging Unit Module 6819838
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Part no. 6905921
BMW 3 5 7 X5 E39 E46 E53 E65 GPS Receiver Control Unit Module Japan 6905921
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Part no. A2059009908
Mercedes W205 W253 Front Seat Memory Package Module Passenger Side A2059009908
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Part no. A6121536379-2
Mercedes ML W163 270 CDI Engine Control ECU Kit Key Automatic A6121536379
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Part no. A2711530691
Mercedes-Benz C W203 C200 Kompressor M271 Engine Control Unit ECU A2711530691
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Part no. 05L911021
Audi A4 B9 A5 F5 2.0 Diesel Starter Motor Engine Valeo 05L911021 0001174006
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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 .