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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Audi Q3 S Line Multimedia Radio Sat Nav Screen Display Head Unit 8U0857273E
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Mini Cooper S R55 R56 N18 Ignition Injection Valve Wiring Harness 7647197
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Audi A4 B9 Gateway Control Module Unit ECU 4M1907468D
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BMW F20 F21 F30 F31 F32 Towing Hitch Trailer Hook Module Control Unit 9463373
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Volkswagen VW Golf V 1.9 TDI Diesel Engine Starter Motor 02Z911023H
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Mercedes W163 Air Module System Control Unit Module ECU A1635422918
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Mercedes-Benz Sprinter W906 Fuse Box Unit Holder Bracket Frame A9065451640
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9360344
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BMW E81 E87 LCI 120i E90 E91 320i N43 170HP Engine ECU DME 7595179 Automatic
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Audi A4 S4 B7 Cabrio Air Module Control Unit ECU Impact Sensor 8H0959655E
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Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU 03L906022JM
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BMW 3 4 Series F30 F31 F32 Control Unit Top Rear Side View Camera 9302258
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Renault Trafic 1.9 DCI Diesel Engine Control Unit Module ECU Manual 8200051608
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Mercedes W204 W212 Tyre Pressure Check Monitor Control Unit Module A0009003704
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Peugeot 307 Display Screen Dashboard Multifunction Monitor Unit 9649090377
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BMW Z4 Series E85 Roadster Driver's Side Door Wiring Loom Cable 6941877
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Mercedes W204 Front Bumper PDC Wiring Parking Loom Harness A2045400608
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BMW E81 E87 LCI 130i N52N 258HP Engine ECU Kit DME 7581123 + CAS3 + Key Manual
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Parking Sensor Mini Cooper F54 F55 F56 F57 F60 PDC Ultrasonic Black 9274428 SET
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Porsche Cayenne 92A Front Headlight Xenon Ballast Control Module Unit 7P5907381B
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Ford Transit Mk7 Glow Plug Wiring Loom Cable Wire TDCi Diesel BK2Q6M091AD
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Audi Q7 4L 4.2 TDI Quattro Engine Starter Motor Actuator 057911023E
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Audi Q3 8U Sat Navi Stereo Radio Audio Head Unit CD Player 8U1035192A
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Part no. 5Q0907530AC
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530AA
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Mercedes W163 Fuse Main Box Relay Comfort Control Module Unit CMM A1635450205
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BMW X5 E70 LCI Footwell Light Xenon Control Module Unit LEAR FRM3R XE 9263790
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Mercedes W176 W246 Battery Cover Accumulator Trim Panel Lid A2465410100
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Audi A7 4G Front Camera Assistance Line Unit 4H0907217F
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BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7599883
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM V2 9329701
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Alternator Mercedes W203 Diesel OM648 OM646 Engine ALternator 200A A0131540002
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Audi SQ5 8R Starter Alternator Engine Wiring Loom Cable 3.0 TDI 8R0971228BG
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Mercedes-Benz C Class W203 Automatic Gearbox Transmission Control A0345454332
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BMW U06 X1 U11 Gearbox Wiring Loom Transmission Cable 5A7A3B9
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Mini Cooper R50 R53 Rear Battery Hold Down Strap Retaining Bracket 6917738
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PDC Parking Sensor BMW X5 E70 F10 F11 F12 Ultrasonic Sensor Space Grey 9231283
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BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925
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Mercedes CLK C209 Fuse Box Relay SAM Module Control Unit A2095452001
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BMW F30 LCI F31 F32 Top Hifi Audio System AMP Amplifier Harman Kardon 9393194
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Mercedes ML W164 SLK R171 W211 C219 CD Changer 6 Disc Player Unit A2118705390
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BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 6983307
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BMW 3 5 X5 Series E39 E46 E53 Automatic Gearbox Ecu Control Unit EGS 7518709
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Parking Module Audi A4 B8 A5 8T PDC Sensor Control Unit 8K0919475R
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Telematics Module BMW F20 F21 Bluetooth Teleservices GPS Control Unit 2622605
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Mini F55 F56 F57 Integrated Supply Module Electrical Control Unit Module 8486997
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Ford Transit Engine Starter Motor Actuator Starter CC1T14000AB
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BMW E88 Body Control Comfort Unit Module BCM Unit ECU 9305738
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Part no. 4H0959655C
Audi A6 C7 2.0 TDI SRS Air Module Control Unit Sensor ECU 4H0959655C
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Part no. 3414473
BMW X3 E83 Transmission DXC Transfer Box Wiring Cable Loom Harness 3414473
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BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Left N/S 9285767
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Part no. 4G0907697F
Audi TT FV LED Headlight Ballast Module Daytime Running Lights Unit 4G0907697H
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Part no. A0051516601-1
Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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BMW X5 Series E70 ECU Body Control Module Junction Box PL4 JBBFEII High 9193110
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Part no. 038903024F
VW Volkswagen New Beetle 1.9 TDI BSW Diesel Alternator Generator 038903024F
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Mercedes W213 C238 Air Suspension Valve Block Control Unit Module A0993200258
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BMW X1 E84 Radio Navigation Head Unit Android CarPlay Display 10.25 XRC8667
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Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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BMW i3 I01 Holder Audio Amplifier Telephone Bracket Mount Trim 9251524
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Airbag Module Citroen Berlingo Peugeot Partner Air Bag Control Unit 9803916880
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Seat Ibiza Volkswagen Polo Mk5 6R 1.2 Petrol Alternator Generator 03D903025J
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Mercedes-Benz M ML W163 Front Bumper Fog Lamps Parktronic Wiring Loom Harness
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BMW E39 E46 E60 E65 X3 E83 M54 Petrol Starter Motor 7515392
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BMW Mini R50 One 1.6i Petrol Engine Control Unit DME Manual 7520019 7526780
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BMW E66 E67 Airbag ECU Control Unit Gateway Module 6983067
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BMW 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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Part no. 6936997
BMW 5 Series E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6936997
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BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157155
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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. 8600124-4
Mini R56 LCI R60 N16 98HP Petrol Engine Control Unit ECU DME 8600124 CAS3 Key
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Part no. 6901269
BMW X3 Z4 Series E83 E85 E86 Base B Positive Battery Terminal Cover Compartmen
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Mercedes W166 W204 R231 Alternator Generator 180A 14V A0009063622
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Audi Q5 8R Multimedia Radio Control Module Head Unit 4G0035061Q
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BMW F13 M6 NBT EVO HU Multimedia MMI Sat Nav Display CD Player Head Unit 2448971
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BMW 5 F10 F11 Battery Cable Wiring Harnes Lead Positive Underfloor 9150990
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Part no. 8516262
BMW X3 F25 X4 F26 B47 Diesel Engine Harness Wiring Loom Cable 8516262
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Mercedes W906 W907 Cut Off Electric Relay Module A0025424019
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BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
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BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9176682
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Renault Scenic III 1.5 Dci Engine Alternator Generator 12V 120A 8200960533
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BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9166782
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BMW Z4 Series E89 Roadster Boardmonitor Central Information Display 9210504
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BMW F20 F21 F30 F32 N55 Power Distribution Module Bracket Cover Carrier 8620771
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ECU Unit BMW E81 E82 E87 LCI E88 N47S 123d Engine Module DDE 7811702 Manual
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Parking Module Mercedes W203 C209 Parktronic Control Unit A2035454932
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Audi Q7 4M Starter Motor Engine Diesel Valeo 06M911022D
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BMW E90 E91 E92 E93 LCI Diesel Alternator Generator 175A 150 14V 8507623
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Mini F55 F56 Cooper D B37 Diesel Engine ECU Kit DDE 8582719 BDC + Key Automatic
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BMW E81 E87 E90 LCI Top Hifi System Amplifier Logic 7 L7 Harman Becker 9218086
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Mercedes GLC X253 Electronic Module ECU Control Unit A2059005351
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Headlight Module BMW F40 LED Headlamp Control Unit Lear FLM 2 LOW 7933357
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Part no. Mini Lodgesons
MINI Cooper R50 Lodgesons Steering Wireless Control Unit Module System
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BMW E87 LCI E90 118i 318i N43 143HP ECU Engine Control Unit DME 7580279 Manual
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BMW E90 E91 LCI 320d N47N 184HP ECU Engine DDE 8506566 Manual Transmission
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Part no. 9218356-1
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9218356
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Mercedes W211 Door Module Front Right O/S Driver Control Unit ECU A2118208285
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BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9160101
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Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 1 Harness 8678968
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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 .