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. 7567321-1
BMW 1 3 Series E81 E87 LCI E90 116i 316i N45N ECU Kit DME 7567321 + CAS3 + Key
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7610009 CAS3 + 2 Keys Manual
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BMW F87 M2 370HP N55 Engine Control ECU Kit DME 8663673 + FEM + Keys Twin Clutch
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Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343
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BMW 6 Series E63 E63N LCI Centre Console Switch Centre DTC PDC 9169123
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BMW F30 F31 320d ed Diesel N47N 163HP ECU Kit DDE 8584276 + Key + FEM Automatic
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BMW 3 X1 Series E84 E90 E91 Instrument Cluster Speedo Clocks Manual 9187079
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BMW G01 3.0dX B57 265HP Engine ECU Kit Unit DDE 8476035 BCM Key Automatic
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BMW 5 7 Series E60 E61 E65 E66 Seat Control Module Ecu Sensor 6927318
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BMW Z4 E85 2.0 N46 150HP Engine Module ECU Kit DME 7565300 + EWS + Key Manual
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Mercedes-Benz A B Class W169 W245 Sam Control Module Fuse Box Unit A1695454332
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BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022065
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BMW F20 F30 F31 LCI 118i 318i B38 136HP Engine ECU Kit DME 8674265 + FEM + Key
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Mini R55 R56 Cooper S EGS Module Automatic Gearbox ECU Control Unit 7598857
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VW Volkswagen Touran Body Control Comfort Unit Module BCM 3C8937049D
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Vauxhall Opel Astra G Fuse Box Covering Trim Panel Lid Housing 90589541
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ECU Unit Mini Cooper R55 R56 LCI R60 Petrol N16 122HP Engine DME 7620987
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Part no. A6461500400
Mercedes Vito W639 OM646.980 111 CDI 116HP Engine ECU Module A6461500400 Manual
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Audi RS4 B8 Electronic Regulated Damping Module Unit 8T0907376
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Audi A4 B9 A5 F5 Air Module Sensor Crash Sensor Pressure 8W0959121F
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Part no. 1025-10
BMW X5 E70 X6 E71 Car Multimedia Navigation System 10.25" Screen GPS 2-DIN
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Mercedes W221 SAM Relay Fuse Box Module Control Unit ECU A2165450632
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129003314
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Mercedes Sprinter W906 Radio Multimedia Head Unit Player Audio A9069004401
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Part no. 6942912-1
BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box Black 6942912
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BMW X5 E70 E70 LCI AHK Towing Hitch Tow Bar Control Module Unit ECU 6850145
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Part no. 7791190-1
BMW E46 320d Diesel Engine M47N 150HP ECU Kit DDE 7791190 EWS3 + Key Automatic
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Part no. 7810950
BMW E60 LCI E90 E92 330d 530d M57N2 Engine Control Unit ECU DDE 7810950 Manual
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Part no. 8736164
BMW G32 Navigation Sat Navi Control MMM Multimedia Radio CD Head Unit 8736164
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Part no. 3Q0907530AG
Audi Q2 Q3 F3 1.5 TFSI Gateway Control Unit Module ECU 3Q0907530AG
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Part no. 7543083-3
Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Bosch LRA02970
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Part no. 8510591-2
BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Manual
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BMW E60 E81 E87 LCI E90 Hands Free Bluetooth Module High MULF2 9229740
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Part no. 6904903
BMW 7 Series E65 E66 Positive Battery Cable Plus Pole Petrol 6904903
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Part no. 7540992-1
Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A C543294A
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Part no. 9873243
Mini F54 F55 F56 F60 Air Module Control Unit Sensor ECU 9873243
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Part no. rhd-8507796-1
BMW E90 E91 LCI N47N Diesel Engine Wiring Harness Loom Cable DDE 8507796
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Part no. A0002704652
Mercedes W907 DSM ISM Gearbox Control Unit Module Cloning Coding A0002704652
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Seat Leon Mk3 Door Module Control Unit Front Driver's Side Door 5Q4959593E
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Part no. 3C8035195
VW Volkswagen Tiguan 5N Scirocco Mk3 Radio Head Unit Media CD Player 3C8035195
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Air Module Mercedes ML W166 Interior Safety SRS Control Module A1669001311
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Audi A4 B8 PDC Parking Assist Sensor Control Module Unit ECU 8K0919475E
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Skoda Rapid NH1 BCM Body Control Module Unit ECU 6C0937089C
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Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
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Ford Transit Mk7 Relay 4-Pin Fuse Electrical Unit Black FoMoCo 8T2T-CA Set x2
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Part no. 6500CY
Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 6500CY
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BMW 7 Series E65 E66 Seat Control Module 9134633 9184560
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Mercedes W177 W247 Safety Module Air Module SRS Control Unit ECU A1779002510
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Mercedes W213 Ignition Control Unit Module ECU A2139003710
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Part no. 3456395-2
BMW Mini Cooper Clubman 2 R56 LCI Light Module High EKS ECU PL3 FRM3R 3456395
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Part no. 02M911023N
Volkswagen Touran Engine Starter Motor 02M911023N
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Mercedes W213 Mechatronic Automatic Gearbox Control Unit Module A7252701905
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Part no. W211 XTRONS
Mercedes W211 Xtrons Radio Stereo Head Unit Media Player Navigation
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Part no. TS14E110
Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI TS14E110
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Part no. 4L0919283B
Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283B
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Part no. 7540600-2
BMW E63 E64 645Ci N62 333HP ECU Kit Engine Control Unit DME 7540600 CAS2
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Part no. 7852630
Differential Lock Module BMW F10 M5 F80 M3 Rear Axle Control Unit ECU 7852630
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BMW 3 Series E46 Petrol Wiring Loom Harness Engine Gearbox Module 7518042
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Part no. 7553735
Mini Cooper R50 R52 DME Petrol Engine Control Unit ECU 7553735 Automatic
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Part no. 9273629
BMW 5 Series F11 Footwell Light Module ECU Control Unit FRM III TEMIC 9273629
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Part no. 059903015P
Volkswagen Touareg Audi Q7 Water Cooled Alternator 190A 059903015P
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Part no. 284B63414R
Mercedes Citan W415 Renault Kangoo 2 Fuse Relay Box Control Unit USM 284B63414R
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Part no. 7794218
BMW E60 E61 530d Diesel M57N 218HP Engine Unit Module ECU DDE 7794218 Automatic
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Part no. A6481531279-1
Mercedes W211 S320 CDI 648.961 204HP Engine Control Unit ECU Kit A6481531279 Key
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Audi A1 8X 1.4 TSI CAXA 122HP Engine Control Unit ECU 03C906016DL Manual
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Part no. 9398997
Sound Amplifier BMW F80 M3 F82 M4 Hifi Audio Unit Active Sound Design 9398997
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Part no. 6943491
BMW E64 Sound System Amplifier Amp Logic Harman Becker HiFi Unit 6943491
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Part no. 4F0906093G
Audi A4 B7 Fuel Pump Sender Control Relay Module Unit ECU 4F0906093G
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Part no. 5A4E600
Mini Countryman F60 Audio Amplifier Hifi Unit Active Sound Design System 5A4E600
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Part no. 8506666-4
Mini One R56 LCI R60 90HP Diesel N47N Engine ECU Kit DDE 8506666 + CAS3 + Key
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Part no. 4G8959793E
Audi A6 C7 Front Door Control Module Unit ECU Driver's Side 4G8959793E
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Part no. A2465410205
Mercedes W176 W246 Battery Box Trim Housing Cover Support Panel A2465410205
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Part no. 7787354
BMW X3 E46 E60 LCI E83 E87 Starter Motor 2.0KW Diesel M47N2 7787354
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278
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Part no. 1508927-1
Mini Cooper S R52 R53 Positive Battery Cable Fuse Box Module B 6911180
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Part no. 7789980
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. 4L0907553
Audi Q7 4L Air Suspension Adjustment Module Control Unit ECU 4L0907553
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Part no. 9810804-LW
Fuel Flap Mini R61 Paceman Fuel Filler Cover Cap Light White B15 9808990
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Part no. 8715339
Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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Part no. 8582719-5
Mini F55 F56 Cooper D B37 Diesel Engine ECU Kit DDE 8582719 BDC + Key Automatic
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Part no. A6461532891-3
Mercedes Vito W639 111 CDI 646.982 109HP Engine ECU Kit A6461532891 Key Lock
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BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6949450
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BMW F20 F21 125i N20 218HP ECU Control Unit Kit DDE 8601159 Key FEM Automatic
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Mercedes W164 Battery Starter Alternator Wiring Harness Cable OM642 A1645401730
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YUASA 5000 12V Accumulator Battery 65Ah 640A HSB013
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BMW E90 E92 320d N47 177HP ECU KIT DDE CAS3 + Key 7811700 Manual
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Audi A6 C6 Diagnostic Interface Gateway Control Module Unit ECU 4F0907468D
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Volkswagen Polo 6R 3D Front Right O/S Door Wiring Harness Cable Loom 6R2971121GS
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Audi Volkswagen Seat Relay Unit Module 6 Pins 12V 191955531
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Mercedes C140 Fuse Box Relay Cover Lid Control Unit Bracket Trim A1405400282
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Part no. 04L907282
VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282
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Part no. 9263944
BMW X5 E70 X6 E71 CIC MID CD Player Audio System 9263944
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Part no. A2118703385
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703385
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Part no. A0285454032
Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
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Part no. 5H0919605B-1
Volkswagen GOLF CD1 Multimedia Display Screen Radio Sat Nav Head Unit 5H0919605B
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Part no. 7519308-3
BMW X5 E53 3.0i M54 231HP ECU Kit DME 7519308 Manual + EWS3 + Key
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Part no. 8K0907063AC
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063AC
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Part no. A1778607601
Mercedes V177 Head Air Module Roof Side Curtain Right O/S A1778607601
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Positive Cable Vauxhall Insignia Battery Starter Alternator Plus 13295310
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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 .