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. A2218702286
Mercedes W221 Front Seat Heater Control Unit Module ECU A2218702286
£23.95
Free delivery: Feb 09
If paid before 14:00
Part no. 7810860-1
BMW 3 Series E90 E91 E92 E93 LCI N47N Engine Alternator Starter Cable B 7810860
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2078203226
Airbag Module Mercedes W207 C207 Coupe Air Bag SRS Control Unit ECU A2078203226
£66.95
Free delivery: Feb 09
If paid before 14:00
Part no. 06L971627A
Audi S1 8X S3 8V VW Golf R Mk7 2.0 TFSI Fuel Injectors Wiring Harness 06L971627A
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 5A56078
Mini F55 F56 Ignition Lock Barrel Key Unit 5A56078
£37.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2129003704
Parking Module Mercedes W207 W212 PDC Distance Control Unit Sensor A2129003704
£23.95
Free delivery: Feb 09
If paid before 14:00
Part no. 4G0035083
Stereo DAB Radio Audi A4 B8 Q5 8R CD Player Radio Receiver Head Unit 4G0035083
£132.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8638198
BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8625241 Manual
£332.95
Free delivery: Feb 09
If paid before 14:00
Part no. 6932644-1
BMW 3 5 Series E60 E71 E90 E92 Suppression Filter Aerial Module Antenna 6932644
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 02M911024S
VW Golf MK7 5G Audi A3 8V Engine Starter Motor Valeo 2.0 TDI Diesel 02M911024S
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8506374-6
BMW E60 E87 E90 120d 177 HP N47 ECU Engine Control Unit DDE 8506374 Manual
£94.95
Free delivery: Feb 10 – 17
If paid before 14:00
Part no. 6947216
BMW 3 Series E93 Convertible Rear Bumper FM Radio Aerial Antenna 6947216
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9145103
BMW E60 E63 E64 On-Board Navigation Monitor Display Screen 6,5" 9145103
£37.95
Free delivery: Feb 09
If paid before 14:00
Part no. A6519007003
Mercedes W176 A200 CDI OM651 136HP Engine Module ECU Unit A6519007003 Automatic
£47.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9153137
BMW F01 F02 F03 Holder Bracket Control Unit Top Rear Side View 9153137
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. RHD-8R2035186P
Audi A5 8F Radio Stereo CD Player Reader Head Unit MMI Multimedia 8R2035186P
£32.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2469008510
Body Control Module Mercedes W117 W176 W242 W246 Fuse Box Sam A2469008510
£28.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8K0907063DD
Audi A5 8T Onboard Comfort Supply BCM Control Module Unit ECU 8K0907063DD
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. rhd-9825933
Display Screen BMW F40 Dashboard Central Information Control Unit 10,25" 9826391
£189.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2215407710
Mercedes W221 Battery Negative Terminal Cable Wiring Wire A2215407710
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2078202910
Seat Control Module Mercedes A207 W207 Cabrio Rear Control Unit ECU A2078202910
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. rhd-A2215400750
Mercedes C216 W221 Front Fuse Box Relay Control Unit SAM ECU Module A2215400750
£28.95
Free delivery: Feb 09
If paid before 14:00
Part no. A1729004004
Mercedes W204 Display Screen Multifunction Navigation Dashboard A1729004004
£94.95
Free delivery: Feb 09
If paid before 14:00
Part no. 7586940-2
BMW E90 E91 325i E60 LCI 525i N53 218HP ECU Kit DME 7586940 CAS3 + Key Manual
£474.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2469007018
Mercedes W176 W246 Display Screen Radio Navigation Sat Nav Unit A2469007018
£94.95
Free delivery: Feb 09
If paid before 14:00
Part no. 5A4A1E1
Kafas Camera BMW G20 G30 G28 G80 F40 F44 Front Assist Camera Module 5A4A1E1
£142.95
Free delivery: Feb 09
If paid before 14:00
Part no. 4L0035382B
Audi Q7 4L Boot Trunk Subwoofer Rear Bass Speaker 4L0035382B
£28.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9240508
Fuse Map BMW X5 X6 E70 E71 Assignment Grouping Card 9240508
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 6809051
BMW F20 LCI REM Rear Electronic Module Fuse Box Control 6809051
£28.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2465406607
Positive Cable Mercedes W176 W246 Battery Lead Plus Pole Red A2465406607
£23.95
Free delivery: Feb 09
If paid before 14:00
Part no. A1729001506
Mercedes R172 Convertible Roof Control Module ECU A1729001506
£37.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9257008
BMW F01 F10 F12 Sat Nav Infotainment Radio Player Head Unit CIC 9257008
£237.95
Free delivery: Feb 09
If paid before 14:00
Part no. 6966615
BMW 3 X3 X5 Z4 Series E46 E53 E83 E85 E86 Video Module High 6966615
£175.95
Free delivery: Feb 09
If paid before 14:00
Part no. A0009001222
Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009001222
£142.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8387541
BMW X5 E39 E53 Fuse Box Housing 8 Fold Voltage Regulator Boot 8387541
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8K0907551
Audi A4 S4 B8 3.0 TFSI 333HP CAKA Quattro Engine Control Unit ECU 8K0907551
£142.95
Free delivery: Feb 10 – 17
If paid before 14:00
Part no. A0009000716
Mercedes Vito W447 Diesel Adblue Module Control Unit ECU A0009000716
£85.95
Free delivery: Feb 09
If paid before 14:00
Part no. A0009003806
Mercedes W205 Park Parking Assist PDC Distance Control Unit Module A0009003806
£56.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9188877
BMW F01 F02 F03 F10 F11 Steering Column Adjuster Switch 9188877
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9134666
Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9134666
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8573260-5
ECU Kit BMW F20 F21 116d Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
£142.95
Free delivery: Feb 10 – 17
If paid before 14:00
Part no. 6938079
BMW E81 E87 E90 E91 PDC Speaker Trigger Contact 6969139 6938079
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9240083
BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9240083
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. A1695406409
Mercedes W169 W245 Battery Earth Negative Cable Wiring Loom A1695406409
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 7583225-16
BMW 1 3 Series E81 E87 E90 E91 120i 320i N43 ECU Kit DME CAS3 Key 7583225 Manual
Product currently unavailable
Part no. A6511501879
Mercedes W639 OM651.940 113 CDI 136HP Engine Unit Module ECU A6511501879 Manual
£113.95
Free delivery: Feb 10 – 17
If paid before 14:00
Part no. A2464300201
ABS Pump Bracket Mercedes W176 W246 Brake Unit Mount Holder A2464300201
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8589907
Supply Module BMW F40 F48 Mini F55 F56 F57 Integrated Z11 Control Unit 8589907
£23.95
Free delivery: Feb 09
If paid before 14:00
Part no. A1715409245
Mercedes SLK R171 Gateway Control Unit Gateway Module ECU A1715409245
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. 6820931
Telematics Module BMW X1 F48 F20 F30 Bluetooth GPS Control Unit ECU 6820931
£23.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2129000406
Fuel Pump Module Mercedes W207 C207 A207 Control Unit ECU A2129000406
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2045403510
Mercedes W204 Battery Wiring Cable Harness Loom Rear A2045403510
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2115408445
Gateway Module Mercedes W169 W211 W245 W219 W203 Control Unit ECU A2115408445
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. A0009003606
Mercedes W176 W246 Automatic Transmission Control Uni A0009003606
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8K2907115P
Audi A5 8T A4 B8 8K 2.0 TFSI CDNC Quattro 211HP Engine Module ECU 8K2907115P
£75.95
Free delivery: Feb 09
If paid before 14:00
Part no. 6942551
BMW E87 E90 E91 Front Left N/S Seat Lordosis Pad Adapter Lead Wiring
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. 4N0959651D
Audi Q5 FY Crash Impact Sensor Unit Module Left Right N/O/S 4N0959651D
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8F0972814
Audi A5 8F Cabriolet Hydraulic Roof Pump Motor Wiring Harness Loom 8F0972814
£42.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8714621
Mini Cooper One F55 F56 F60 Telematics Control Unit Module 8734756
£189.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9154349
BMW MINI Clubman R55 Cable Wiring Loom Splitdoor Split Door Rear Left N/S
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. A0009004434
Mercedes W177 W247 Telematics Bluetooth Module Control Unit ECU A0009004434
£113.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2215408845
Mercedes W221 Gateway Control Unit Module ECU A2215408845
£37.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2059002019
Mercedes W205 C253 SAM Rear Body Control Module Unit A2059002019
£28.95
Free delivery: Feb 09
If paid before 14:00
Part no. A6269000000
Mercedes W205 C 200 d 626951 626.951 136HP Engine Unit ECU A6269000000 Automatic
£94.95
Free delivery: Feb 09
If paid before 14:00
Part no. A1697220180
Mercedes-Benz A-Class W169 Door Plug Cover Trim Insert Blank Seal A1697220180
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 5A410C5
BMW U06 iX I20 Headlight Headlamp Control Module Unit FLM2 Mid 5A410C5
£132.95
Free delivery: Feb 09
If paid before 14:00
Part no. 6978374
Air Module Unit BMW E60 E61 Sensor Control ECU 6978374
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 1K0951253A
VW Audi Seat Skoda Glow Plug Relay Unit Engine Supply Black 4 Pins 1K0951253A
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. A1695407405
Mercedes W169 Wiring Loom Cable Door Front Left Right N/O/S A1695407405
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2479002814
Mercedes W177 Front Windscreen View Camera Unit A2479002814
£132.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9289212
BMW 1 2 3 5 Series F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9289212
£237.95
Free delivery: Feb 09
If paid before 14:00
Part no. 1389412080
Citroen Relay Peugeot Boxer Fuse Box Relay Cover Lid Unit Trim 1389412080
£37.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8P4035223B
Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223B
£113.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8380407-1
BMW X5 E53 Power Distribution Fusebox Cover Fuse Box 8380407
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. AT1T-18C815-BA
Radio Head Unit Ford Transit Connect 6000 CD Media Player Unit AT1T-18C815-BA
£47.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8510249
Engine Wiring BMW E90 E91 LCI N47N Loom Harness Cable Automatic Gearbox 8510249
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9315080
BMW X3 F25 Window Lifter Switch Driver's Side Wiring Harness Loom Cable 9315080
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8K0955559E
Audi Q7 4L Front Windscreen Rain Light Solar Sensor Unit 8K0955559E
£32.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9143270
Mini Cooper One R50 R53 Loudspeaker Rear 65136801101 6801101
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2115457301
Mercedes C219 Front Fuse Box SAM Relay Control Module A2115457301
£47.95
Free delivery: Feb 09
If paid before 14:00
Part no. 7848469
BMW F80 M3 F82 F83 M4 Wiring Harness Engine Gearbox Module 7848469
£94.95
Free delivery: Feb 10 – 17
If paid before 14:00
Part no. A1718204026
Mercedes SLK R171 Rain Sensor Front Windscreen Light A1718204026
£32.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8377658
BMW X5 SERIES E53 TV amplifier 8377658
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. A0009009213
Mercedes W447 Fuel Pump Control Module A0009009213
£70.95
Free delivery: Feb 09
If paid before 14:00
Part no. rhd-A1715400130
Mercedes SLK R171 M271 Positive Battery Cable Starter Alternator A1715400130
£23.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2469004512
Mercedes-Benz A M Class W166 W176 Parking Brake Control Unit Module ECU
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8267406
Headrest Adjustment BMW E46 E64 Front Right O/S Seat Actuator 8267406
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. rhd-7564408
BMW 3 Series E90 320si N45 Petrol Engine Wiring Loom Harness 7564408
£92.95
Free delivery: Feb 09
If paid before 14:00
Part no. A1729011302
Mercedes W204 Display Screen Multimedia Navigation Sat Nav COMAND A1729011302
£85.95
Free delivery: Feb 09
If paid before 14:00
Part no. 3450247
BMW X3 E83 LCI Map Card Fuse Box Grouping Diagram 3450247
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 6868598
BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Control Unit Module 6868598
£18.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8K0959655G
Audi A4 B8 Air Module ECU Control Unit Crash Sensor 8K0959655G
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. rhd-9268710
BMW F01 Display Screen On-Board Central Information Monitor 10,25" 9218454
£47.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2129004514
Radio Head Unit Mercedes W207 W212 COMAND Navi CD Player Navigation A2129004514
£142.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9287441
BMW F21 F22 F23 Wiring Loom Harness Passenger Side 9287441
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. A2139005528
Mercedes W205 W213 Ignition Central Lock Control Unit Module ECU A2139005528
£142.95
Free delivery: Feb 09
If paid before 14:00
Part no. 8717601
Mini F55 F56 Control Unit Module Active Sound Design 8717601
£70.95
Free delivery: Feb 09
If paid before 14:00
Part no. 7534704
Mini Cooper One R50 R52 Kabel Generator Starter Anlasser BOSCH 7534704
£13.95
Free delivery: Feb 09
If paid before 14:00
Part no. 9874189
BMW 1 3 Series F20 F30 MINI F56 Control Unit Air Conditioning Module 9284440
£18.95
Free delivery: Feb 09
If paid before 14:00
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 .