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. A2095452432
Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
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BMW X5 E70 Footwell Light Module Control Unit ECU VDM PL4 FRM II Lear 9176826
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Mercedes-Benz C-Class W204 Bluetooth Hands-free Mobile Phone Adapter B6 787 5877
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Mercedes-Benz C CLK W203 C209 Sam Control Module Fuse Box Rear A2035453201
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BMW F10 F12 F13 M5 M6 S63N 560HP ECU Control Unit Module DDE 7633959 Twin-Clutch
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BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
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Antenna Amplifier BMW X4M F98 G02 Radio Signal FM2 DAB Amplifier Module 6840269
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BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
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Mercedes W209 Convertible Rain Light Sensor Windscreen Module A2098206126
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MINI Countryman R60 Holder Amplifier Bracket Holder Mount Hi-Fi Unit 9803651
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ECU Unit Mini Cooper R55 R56 LCI R60 Petrol N16 122HP Engine DME 7620987
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BMW X5 Series E53 Control Element Light Switch 8380255
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2049009701
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BMW 5 7 Series E60 E61 E65 E66 Seat Control Module Unit ECU 6920447
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Mini Cooper R56 LCI R60 N16 Engine Control Unit ECU DME 7619335 CAS3 Key Manual
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Cable Wiring Mercedes W177 W247 Fuel Pump Sending Unit Plug Socket A1775404910
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Volkswagen Polo 6R Audi A1 8X Alternator Generator 14V 110A 04E903015A
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BMW Mini Cooper One R50 Cable Wiring Loom Door Front Left N/S 6962777
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Light Module BMW F11 Control Footwell Lightning ECU Unit FRM3 9251975
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Starter Motor Mini Cooper One F54 F55 F56 F57 F60 B37 B47 Engine 8570845
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BMW E81 E82 E90 E91 N47 Alternator Generator 180A Autoelectro 7802261
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Centre Console Connector Mercedes W204 W207 USB Port Socket Trim A2078210411
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BMW F83 M4 S55 Petrol Engine Fuel Pump Control Module Unit ECU 7426094
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Mercedes GLC X253 Rear Trunk Lid Automatic Closing Lock Mechanism A2059007218
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Manual
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Audi A4 B8 3.2 FSI Alternator Generator 06E903016S
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Mercedes X117 CLA 250 270.920 4-Matic Engine Control Unit Module A2709002100
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BMW F20 F21 N47S1 Wiring Harness Engine Automatic Transmission Module 8578516
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Mercedes W204 Seat Loom Cable Multicontour Pump Control Front A0009102675
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BMW E90 Radio Professional CD Audio Player Dash Control Unit 6983018
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Chrysler Grand Voyager 2.8CRD Diesel 163HP Engine Unit ECU P04727770AC Automatic
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BMW F20 F30 F32 F33 F34 B38 B48 Petrol Engine Alternator Generator 180A 8645325
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BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU KIT DME 7552176 CAS2 + Key Manual
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BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927260
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Mini F55 F56 EVO HU Head Unit Basic Media Navigation Headunit Module 6819426
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Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0025424419
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Mercedes C118 W117 Battery Cable Negative Terminal Wiring A0009053816
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BMW X5 E53 3.0d M57 184HP ECU Kit DDE 7789376 + EWS3 + Keys Automatic
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Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME EWS + Key 7557395 Manual
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BMW F20 F21 F30 F31 F32 N47N Diesel Alternator 175A 7823343 7823344
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Mini Cooper S R56 LCI N18 1.6 Engine Control Unit ECU Kit DME 7639049 CAS 3 Key
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Audi Q7 4L Blind Spot Monitoring Radar Unit 4L0907568A
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Mercedes S205 C205 SAM Module Rear Body Comfort Control Unit ECU A2229006014
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Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874C
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Mercedes CL203 CLC200 CDI 122HP M646.963 Engine ECU Kit A6461501934 Key Lock
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Mercedes W906 Fuse Box Relay Control Unit Electric Module A9065454701
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Seat Module Mercedes X164 Rear Third Row Seats Control Module A1648703726
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Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
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Audi TT 8N Air Module Control Module Unit ECU 8N0959655D
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Citroen Relay Jumper 35L Alternator Bracket Belt Tensioner Holder 9807162780
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Mini F55 F56 F60 LCI Navigation Touch Screen 8.8" Display Nav Head Unit 9824925
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Seat Leon Cupra 5F Suspension Control Unit Module ECU 5Q0907376B
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BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS4 Key
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Ford Fiesta MK7 Body Control Module BCM Control Unit ECU 8V5115K600EG
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BMW E91 LCI ECU Footwell Light Module FRM3R Lear Led Basis 9263800
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BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9129850
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BMW X5 Series E53 GM III General Body Control Module Unit ECU Lear 6940923
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BMW E90 E91 LCI 320d ed N47N 163HP Engine ECU Kit DDE 8506566 CAS3 Key Manual
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BMW E60 E61 Body Gateway Control Module Unit KGM HIGH Lear 9133143
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Mercedes W203 W211 Central Gateway Control Unit Module ECU
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Volkswagen Fox 1.2 Petrol CHFB 55HP Engine Control ECU Manual 03D906023Q
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Seat Ibiza IV VW Polo 6R Fabia 5J 1.2 TDI Diesel Engine Starter Motor 02Z911024H
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BMW E60 E61 Door Wiring Loom Harness Co-Drivers Passengers Side 9163145
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Part no. 8K0907064C
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064C
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Mercedes ML W163 Engine Starter Motor A0051512901
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Mercedes W177 W247 All Wheel Drive Control Unit Module ECU SG MFA2 A2479000910
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Mercedes V177 Seat Control Module CSMM Front Right O/S A2479005807
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Ford Transit Mk8 2.2 TDCI Alternator Generator CC1T-10300-CD
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BMW 3 5 Series E34 E36 Hazard Warning Relay 1388533
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BMW F10 F11 Cable Harness Door Driver's Side Right O/S Wiring 9237082
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Audi A7 4G8 ESP Yaw Rate Module Control Unit Sensor ECU 4G0907637H
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BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8625241 Manual
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Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CQ
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Audi A4 S4 B9 Petrol Fuel Pump Control Unit Module ECU 4M0906093N
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Mercedes W212 Front Axle Suspension Wishbone Ball Joint Mount A2123300135
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BMW F01 F02 F07 F10 F11 CAS4 Control Unit Key Reading Module 9241973
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Part no. 8506444-2
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
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BMW E65 E66 E67 Navigation System DVD GPS Computer Head Unit 6935555
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Audi A6 C6 ASB 3.0 TDI V6 Starter Motor 059911024G
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BMW 1 Series F40 MINI F56 F57 F60 Control Unit Box 8581370
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Radio CD Player VW Volkswagen Golf 5 Passat B6 Head Unit MP3 RCD 300 1K0035186AF
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Volkswagen Touareg 7L Front Impact Crash Sensor Right Left N/O/S 7L0909606C
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BMW 5 6 Series E60 E61 E63 E64 Wiring Steering Wheel Electronic
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Audi A3 8P Rear Bumper PDC Wiring Parking Sensor Loom Harness 8P3971085
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Mercedes S212 Estate Fuse Box Rear SAM Module Relay Control Unit A2129004201
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Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063AC
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Mercedes A238 Control Unit Module Amplifier Premium Sound A2139009020
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Mercedes C118 W177 W247 M260 Petrol Engine Starter Motor 12V A2609060100
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Mercedes W176 A200 CDI BlueEFFICIENCY OM651.901 Engine Module ECU A6519007600
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Volkswagen Transporter T5 Minus Negative Battery Cable Wiring Mass 7H0971793B
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Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6394405209
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Mercedes W212 Becker Navigation Map Pilot Control Unit Module A1669008808
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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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AUDI Q7 4L Lane Assist Module Blind Spot 4L0907566A
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Part no. 9321002
Battery Cable BMW X3 F25 X4 F26 Underfloor Positive Plus Lead Harness 9321002
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Part no. 9809590
Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
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Head Unit Kia Ceed MK1 ED SW Radio CD Player MP3 RDS Unit 96160-1H000
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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 .