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. 8590021
BMW G30 G31 530dX 540dX Diesel B57 Engine Wiring Harness Supply Line 8590021
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Mercedes ML W166 Diesel OM642 Engine Automatic Transmission Wiring Harness
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Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059005122
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BMW X5 E70 X6 E71 Negative Battery Terminal Cable 9215954 61129215954
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BMW E87 E90 E91 E92 E93 Fuse Box Power Distribution Front 6906621
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Mercedes-Benz X156 Front Bumper Pressure Crash Impact Sensor A1569056800
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Mercedes W213 Trunk Tailgate Rear Switch Sensor Module A2229059004
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Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
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BMW E36 E39 E46 Engine Starter Electrical Earth Cable 1724740
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Audi A4 B7 2.0 TDI Battery Cable Wiring Harness 8EO971824E
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Bracket Harman Kardon BMW F30 F31 Amplifier Holder Mount Unit Module 9235506
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Mercedes W176 W246 USB Interface Multimedia Adapter Connector A1728201700
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BMW E64 E85 Sensor B Pillar Air Module Unit Left N/S 6940299
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Head Unit BMW F20 F21 F30 Radio Professional CD Player Control Module 9310455
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BMW E60 E60N E61 E63 LCI B Terminal Point Engine Compartment 6923945
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BMW 7 X5 Series E53 E65 Bulb Parking Light Headlight Front Lighting Cover
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Ford Transit Mk6 Alternator Engine Generator Valeo 2C1T10300BA
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BMW 5 Series E60 Front Seat Module Control Unit 6927271
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BMW E87 E90 E91 Ventilation Hose Pipe Navigation System Professional 6928875
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Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 1-4 7843329
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BMW F20 F21 F30 F31 F32 Radio Stereo Professional CD DAB Head Unit 9299268
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BMW F32 Tyre Pressure RDC Control Unit Module ECU 6876227
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Audi S8 D3 Valve Block Air Suspension Control Unit Module 4F0616013
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Part no. 9157650
Mini R57 R58 Front Left Door Module Wiring Loom Harness N/S 9157650
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Part no. 9243897
BMW F10 F11 On Board Display Central Information Screen Monitor 10" 9243897
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Part no. 4G0035061J
Audi A7 4G A4 B8 A6 C7 Q5 8R Sat Navi Stereo Radio Audio Unit Player 4G0035061J
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Part no. 6801294
BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM3R VDM 6801294
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Part no. A9065454701
Mercedes W906 Fuse Box Relay Control Unit Electric Module A9065454701
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Part no. 9187108-2
Autoradio CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional 9187108
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Part no. 9187544
BMW E91 LCI ECU Body Control Module H4 PL2 JBBFE Junction Box 9187544
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Part no. 3456986
Mini Countryman R60 Footwell Light Control Module LOW ECU PL3 FRM III 3456986
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Part no. 9350995-1
BMW F10 F20 F30 Rear View Camera Wiring Loom Cable 9350995
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Part no. A6397600504-1
Mercedes Vito W639 1 Rear Left Right Sliding Door Handle Bowden Cable
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Part no. 9895416
BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME Manual Control Unit 9895416
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Part no. A2139008828
Air Module Mercedes W213 C238 C253 Control Unit ECU A2139008828
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Part no. A2048708826
Mercedes W204 W212 Front Windscreen Rain Light Sensor Control Unit A2048708826
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Part no. 6939811
BMW E85 Roadster Cabrio Safety Information Air Module 6939811
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Part no. 7571510-1
BMW Z4 Series E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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Part no. 7787581
BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581
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Part no. 7823422
ECU Engine Control BMW E81 E87 E90 LCI 118d 318d N47 Diesel DDE 7823422 Manual
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Part no. 8516739-1
Mini Cooper SD R55 R56 LCI R60 N47N Diesel Engine ECU Kit DDE 8516739 CAS 3 Key
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Mini Cooper S R53 Petrol W11 Engine Control Unit ECU DME Manual 7527610
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BMW 5 F11 Touring Body Control Module ECU Junction Box V7 PL6 JBBFE III 9286943
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BMW E90 E91 E92 N52 N52N Engine Starter Motor Valeo 7616500
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Part no. 7530357
BMW Mini Cooper S R52 R53 Auxiliary Wiring Harness Servo Pump 7530357
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Part no. 9239155
BMW F01 F10 CIC Professional Sat Nav Infotainment Radio Head Unit 9239155
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Part no. 06Q911024
Audi A4 B8 B9 A6 C8 Engine Starter Motor Denso 2.0 TFSI Petrol 06Q911024
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Part no. 5N0971228D
Volkswagen Tiguan 5N Battery Lead Positive Cable Plus Pole Wiring 5N0971228D
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Mercedes W212 Front Axle Suspension Wishbone Ball Joint Mount A2123300135
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Part no. 7599881-6
BMW E81 E87 LCI 116i 1.6 Petrol N43 122HP ECU Kit DME 7599881 CAS3 Key Manual
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Part no. 8R0915181
Audi Q5 8R Negative Battery Terminal Cable Wiring Battery 8R0915181
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Part no. 3c0937125
Volkswagen VW Passat B6 Fuse Box Relay Electrical Module Unit 3C0937125
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Part no. AT1112A650BD
Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual AT1112A650BD
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Part no. A0009004710
PDC Module Mercedes W205 X253 Parking Sesnor Assist Control Module A0009004710
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Part no. 9153804
BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9153804
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Part no. 9195756
BMW E60 E61 LCI M-ASK M-Audio Navigation System Controller Player 9195756
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Part no. 9683140380
Air Intake Duct Peugeot 3008 Air Intake Channel Unit Duct 9683140380
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Part no. 9230454
BMW 1 Series E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9230454
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Part no. A2139007929
Mercedes W213 GLC X253 Hybrid High Voltage Battery Inverter Module A2139007929
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Part no. 3456826
Mini Cooper R55 R56 R57 LCI Radio Boost CD USB Bluetooth Head Unit 3456515
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Part no. 6912244
BMW Z4 E85 Rear Bumper Antenna Mounted Aerial Unit FM 6912244
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Part no. 8K0907801H
Audi A4 B8 A5 8T Parking Module Electric Brake Control Unit 8K0907801H
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Part no. 7834160
BMW E60 M5 E63 E64 M6 S85 Alternator Generator 170A 7834160
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Part no. 9231931
BMW E81 E87 E90 E91 E92 E93 Radio CD Player Professional Control Unit 9231931
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Part no. 9384222
Body Module BMW X3 F25 X4 F26 Control Unit Junction Box JBBFE 3 9384222
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Part no. A1694403805
Mercedes-Benz A B W169 W245 Starter Alternator Wiring Loom Harness A1694403805
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Part no. A2048200089
Mercedes-Benz C E Class W204 W207 Aerial Antenna Amplifier Unit A2048200089
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Part no. 8614276
BMW F20 F21 F30 LCI M140i 340i Alternator Generator 180A BOSCH 8614276
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Part no. 9661191580
Peugeot 308 Citroen Berlingo Negative Battery Terminal Cable Wiring 9661191580
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Part no. 0-390-201-999
BMW 5 Series E60 E61 Front Seat Backrest Adjustment Bosh 0 390 201 999
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Part no. 6G9T14B534BL
Land Rover Freelander 2 Module ECU Door Lock Control Unit Module 6G9T-14B534-BL
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Part no. 80A971687H
Audi Q5 FY Rear Door Wiring Harness Loom Cable Left Right N/O/S 80A971687H
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Part no. 9168835
BMW 5 Series E61 Touring Body Control Module ECU Unit KBM High 9168835
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Part no. 5Q0906093
Fuel Pump Control Audi TT FV A3 8V Petrol Engine Unit Module 5Q0906093
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Part no. A9064460742
Mercedes Sprinter W906 Air SRS Bag Control Module Unit 0285010033 A9064460742
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Part no. 9366920
Mini F55 F56 PDC Parking Distance Sensor Module Control Unit ECU 9366920
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Part no. 074903025K
Alternator Volkswagen LT35 2.5 TDI Diesel Engine Alternator 90A Bosch 074903025K
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Part no. 9224592-1
BMW E87 LCI Footwell Light Module Control Unit PL2 FRM3R 9224592
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Part no. A2123200558
Mercedes W212 Valve Block AMG Air Suspension Control Unit Module A2123200558
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Part no. 7557395
Mini Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Manual
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Part no. 3455701-1
BMW Mini Cooper Convertible R57 Footwell Light Module ECU PL3 FRM II 3455701
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Part no. 8510591-4
BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Automatic
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Part no. 2240945
BMW 5 Series E60 E61 Mini R50 R53 PDC Parking Ultrasonic Sensor Rear Cool Blue
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Renault Trafic Vauxhall Vivaro 1.6 dCi Diesel Alternator Generator 231008633R
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BMW F20 F21 F30 F31 F32 Radio Professional CD DAB Head Unit 9299268
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Part no. 028903028C
Volkswagen Golf Mk4 Alternator Generator BOSCH 14V 70A 028903028C
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Part no. 8K0915181B
Audi A4 B8 A5 8T A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181B
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Part no. 9267200
BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
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BMW 7 Series E65 E66 DVD Navigation System Computer Unit EXCH 9122860
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Part no. 03P971612
VW Volkswagen Polo 5 1.2 TDI Engine Wiring Harness Loom Cable 03P971612
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Part no. A6461500678-1
Mercedes Vito W639 109CDI 646.980 95HP Engine ECU Kit A6461500678 Ignition + Key
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Part no. 059971341E
Audi Q7 4L 3.0 TDI V6 Diesel Engine Cable Wiring Duct Channel Cover 059971341E
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Part no. 9217036
BMW F07 F10 F11 F12 F13 Battery Cable Wiring Plus Pole 9217036
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Part no. A9066200131
Mercedes-Benz Sprinter W906 Battery Tray Housing Box Case A9066200131
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Part no. 8W0907064GC
Audi A5 F5 Central Body Control Module BCM Unit ECU 8W0907064GC
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Part no. 03C903023A
Audi A1 8X A3 8P Alternator Generator 1.4 TFSI Petrol Engine CAVG 03C903023A
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Part no. A0015422623-1
Mercedes Vito W639 Parking Sensor Warning Device Display A0015422623
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Part no. 9131782
BMW E91 Touring ECU Body Control Module H4 PL2 61359131782 9131782
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Part no. CARPLAY-A5-8T
Audi A5 8T Head Unit Multimedia Screen Display CarPlay Infotainment Unit
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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 .