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. 03G972619KP
Volkswagen VW Touran 2.0 TDI BKD Engine Wiring Harness Loom Cable 03G972619KP
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PDC Parking Sensor BMW F20 F21 F30 Ultrasonic Front Tiefseeblau Deep Sea Blue
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Control Unit A2129068800
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Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012
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BMW G11 G30 G31 X4 F26 Telematics Module Bluetooth Control Unit ECU 2447787
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Starter Motor Mercedes W415 Citan OM607 OM608 Diesel Engine Starter 233006508R
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Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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Fuse Box Mercedes W205 S205 W213 Fuse Box Front Relay Control Module A2059068501
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key
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Mercedes W169 W204 W212 Battery Cable Negative Lead Wiring Harness A0009052702
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BMW E60 E90 523i 323i Petrol N52 177HP ECU Kit DME 7567178 CAS3 + Key Automatic
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Wiring Loom Cable BMW E46 X5 E53 X3 E83 Seat Occupancy Sensor 8240500
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BMW X5 E70 30sd M57N2 286HP Engine ECU Unit DDE 8509036 Automatic
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BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 6928935
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BMW E46 Door Cable Convertible Wiring Loom Front Cables 6913092
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Peugeot 207 CD Player Radio Stereo Head Unit 96643697XT00
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Parking Sensor Mercedes W169 W204 W212 PDC Sensor Front Mountain Gray 787
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Mercedes Vito W447 Negative Battery IBS Cable Wiring A4479050004
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BMW F30 F31 F32 LCI 330dX N57N Engine Gearbox Module Wiring Cable Loom 8578498
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Audi TT 8J Body Control Comfort Unit Module BCM Unit 8J0959433
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Airbag Module BMW F45 X1 F48 Mini F54 F55 F56 Air Bag Control Unit ECU 9495909
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BMW 1 Series E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9230454
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BMW 3 5 6 Series E60 E63 R50 R52 Relay Make Contact Orange 8366646
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BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6953044
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BMW 3 Series E46 318i Petrol N42 Engine ECU Control Unit DME 7508292 Manual
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Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502C
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BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9170702
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Mercedes ML W164 Passenger Side Control Unit Module Fuse Box SAM A1649004101
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Fuse Box BMW E87 E90 E91 E92 E93 Power Distribution Front Control Unit 6906621
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Mercedes W177 W205 W238 W257 Gearbox Control Unit Module ECU A0009005517
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Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459D
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BMW 3 4 Series F30 F31 F32 Front Bumper PDC Wiring Cable Loom Set 9260019
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Mercedes W212 Battery Holder Mount Bracket E-Class A2126280041
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BMW E87 ECU Body Control Module L2 ECU Junction Box 6971961
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Part no. A2115409910
Mercedes W211 Multimedia Wiring Loom Electrical Harness Cable A2115409910
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Mercedes-Benz C-Class W203 2 Door Control Module Front Right O/S A2038201485
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BMW E91 Footwell Light Control Module ECU NSW PL2 FRM II 9166711
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BMW X1 F48 Pedestrian Protection Impact Crash Sensor Module PTS 9354290
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Renault Trafic II Control Unit Body Control Module BCM ECU P8200943317
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Audi A3 8V Headlight Range Cornering Adjustment Control Module 8V0907357A
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BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6977759
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Ford Mondeo Mk4 Battery Terminal Cable Wiring Connecting 8G9T-14A280
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Renault Trafic III Vauxhall Vivaro B Relay 4-Pin Blue Electrical Unit 252300973R
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MINI Cooper R50 Petrol W10 116HP Engine ECU Kit DME 7542310 EWS3 Key Manual
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Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063AC
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Mercedes W166 Front SAM BCM Control Unit Module CBC V4 ECU A1669006020
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Audi A4 B9 Connector AUX USB Adapter Port Socket 8W0035736
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VW Volkswagen Golf Mk7 Multimedia MMI Sat Nav Radio Display Screen 3G0919605D
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Volkswagen Touareg 7L Control Comfort Unit Module Unit ECU 7L6959933
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Audi TT FV 8S 2.0 TFSI CHHC 230HP Quattro Engine ECU Kit 06K907425B BCM Key
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BMW X3 E83 LCi Rear Door Window Lifter Right O/S 6925966
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Engine Harness Mini F56 F60 BMW F40 F46 Sensor System Module 2 Wiring 8678972
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BMW E81 E87 E90 E91 PDC Parking Sensor Front Rear Mineralgrau Mineral Gray B39
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Mercedes W176 A180 CDI OM607.951 BE 109HP Engine ECU A6079002200 Manual
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BMW 3 Series 2 E90 E91 LCI M3 Wiring Loom Rear Door Left Right 6938226
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Front Air Module Mercedes W205 X253 SRS Control Unit ECU A2059009627
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BMW E82 E90 E91 E92 N54 135i 335i Alternator Generator 180A 7558220
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Mercedes-Benz A W168 Automatic Transmission Shifting Bowden Cable A1683700173
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BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9153804
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BMW X5 3 Series E70 E90 Clamping Ring B+ Transition Battery Cable 6930006
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Part no. 9257200-1
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9257200
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Adblue Module Mercedes W164 W212 W221 Control Unit ECU A6429009900
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Part no. 3452235
BMW X3 Series E83 LCI Diesel Battery Positive Lead Red Cable Plus Pole 3452235
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Radio CD Player Mercedes W211 CLS C219 COMAND Navigation Head Unit A2118204497
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Part no. 2S6T-14A073-AC
Ford Transit Connect Fuse Box Power Distribution Junction Relay 2S6T-14A073-AC
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Part no. A0325452332
Mercedes CLK W209 Automatic Gearbox EGS Control Unit Module ECU A0325452332
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Part no. 9257038
BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9257038 6809374
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual 6C1112A650AN
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Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603A
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Part no. AH2211001AC
Land Rover Range Rover Sport L320 3.0 Diesel Engine Starter Motor AH2211001AC
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Mercedes Vito W639 Air Module System Control Unit A6394460442
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BMW F01 F02 F10 F11 CD Radio Head Unit CIC 9289247
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Audi A6 C7 BCM Body Comfort Convenience Module Unit ECU 4H0907064CN
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BMW E64 Air Module ECU Control Unit Centre Vehicle Sensor 6976466
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Mercedes W204 SAM Fuse Prefuse Box Relay Control Unit A2045403850
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Audi A8 4E S8 D3 Comfort Unit Control Module 4E0907289E
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Mercedes Vito W447 Transmission Gearbox Control Unit Module ECU A4479002707
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Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715450901
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Audi TT Mk2 8J 2.0 TFSI BWA 200HP Engine ECU Kit Ignition + Key 8J0907115N
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BMW 5 7 X5 Series E53 E60 E61 E65 E66 Handset Phone Mobile EVEREST 6953468
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Audi S5 8T Front Seat Control Module Unit ECU Left Right N/O/S 8T0959760B
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BMW X1 Series E84 Cable Loom Door Passenger Side Wiring Harness 9269948
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BMW E91 Antenna Amplifier Diversity Module 9193841 6934846
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Mercedes-Benz W169 W245 Door Module Front Left N/S Control Unit A1698208326
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Mercedes W251 W211 Air Suspension Control Module Unit ECU A2515450316
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BMW 1 3 F20 F30 LCI 120dX 320dX B47 Engine Wiring Cable Loom Harness 8595285
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Navigation Head Unit BMW E60 E61 CCC CD Professional System Controller 6974913
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Roof Wiring Mercedes SLK R171 Covertible Roof Opening Wring Harness A1715404209
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BMW X1 Series E84 Carrier Bracket Holder Control Module Unit 2990911
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BMW E30 E31 F01 F02 F10 F11 Top View Mirror Camera 9240274
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Door Module W205 Rear Right O/S Door Control Unit Module ECU A2059006413
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Fuse Box Mercedes W204 Rear SAM Relay Fuse Box Control Module A2049000902
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Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118705694
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Part no. 3455530
*BMW Mini Cooper R55 PL3 SPEG H4 Fuse Distribution Box 3455530
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Peugeot 307 Fuse Box BSM Control Unit Module 9664055780
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Volkswagen Touran 1T Central Gateway Module Control Unit Lear 1K0907530F
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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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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 .