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. 9313607
BMW 3 4 Series F30 F31 F32 Front Bumper PDC Wiring Cable Loom Set 9260019
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Mercedes W204 Front Left Right N/O/S Seat Wiring Loom Cable Harness A2045401706
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Saab 9-3 1.9 Ttid Z19DTR Diesel Engine Alternator Generator 93169260
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BMW 5 6 E60 E61 E63 E64 M-ASK M-Audio System Controller CD Player 6950814
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Mercedes W221 Air Suspension ABC Control Unit Module A2219009603
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BMW E60 E61 E65 E87 E90 Trailer Towing Control Module AHM 4R 9186177
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BMW F11 ECU Body Control Module Junction Box 9252333
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BMW i3 I01 Holder Audio Amplifier Telephone Bracket Mount Trim 9251524
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BMW 7 Series 1 E65 E66 Battery Cable Positive Plus Pole 6904905
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Battery Cable BMW F45 Mini F54 F56 B48 Alternator Starter Wiring 8602973
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BMW X3 X5 E46 E53 E83 Towing Hitch Trailer Hook Module Control Unit
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Mercedes ML W166 GLE C292 Relay Current Power Limiter Fuse Box A1669067701
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BMW F20 F30 F31 LCI 118i 318i B38 ECU Basic DME Control Unit 8663284 Manual
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BMW 5 Series E60 LCI Light Control Unit Module LCM LM E6X LWR LEAR 9154943
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BMW Mini Cooper R57 R57N Cabrio Aerial Roof Antenna Base 9149080
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Mercedes CLK W209 Radio CD Player Stereo Audio Head Unit A2098700289
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Peugeot 307 Citroen Berlingo Diesel Engine Alternator Generator 9646321880
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BMW F10 F11 X3 F25 F30 LCI Mini F60 Tailgate Smart Opener Control Module 7932682
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Mercedes S212 Estate Fuse Box Rear SAM Module Relay Control Unit A2129004201
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VW Volkswagen New Beetle Fan Control Module Relay 1J0919506K
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Mercedes W204 C180 156HP Kompressor M271.952 Engine ECU Kit A2711502779 Key
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Mercedes W204 Petrol Engine M271 Engine Wiring Harnes A2711505533
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BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Manual
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Module Mercedes C205 Front Door Right O/S Control Module Unit A2229001614
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BMW E87 E90 118i 318i N46 Engine Control Unit Module ECU DME 7561834 Automatic
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BMW 3 Series E90 Footwell Light Control Module Lear FRM3R PL2 9230445
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Part no. 6965050
CAS2 Module BMW E60 E61 E63 E64 Car Access Control Unit ECU 6965050
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9231321
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Part no. A6421508100-1
Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key Lock
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Part no. A6461540002-1
Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002
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Part no. 8N8962267E
Audi TT 8N Body Comfort Convenience Module Unit CCM ECU 8N8962267E
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Part no. 6928362
BMW E60 E61 LCI Front Bumper PDC Loom Cables Wiring Set 6928362
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Part no. A2139008822-1
Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
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Part no. 3450824
Mini Cooper One R56 High SPEG Fuse Distribution Box H1 3450824
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Part no. 7532140-4
BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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Part no. 3455527
Mini Cooper One R56 High SPEG DC/DC Fuse Distribution Box 3455527
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Part no. 6922785
BMW 5 6 7 E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6922785
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Bluetooth Module BMW E81 E87 E90 E91 Hands-free Control Unit MULF2 9149656
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Part no. 968824678
Peugeot 5008 2.0 HDI Diesel Injector Wiring Loom Cable 968824678
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Part no. 6R0915345E
Seat Ibiza Fuse Box Relay Carrier Holder Bracket Mount Tray 6R0915345E
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BMW E87 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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Part no. 7520019-10
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Mercedes-Benz M-Class ML W163 Pressure Regulation Valve Fuel A6110780149
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BMW E60 E61 E90 E91 325i 525i Petrol N52 ECU Kit DME 7555361 CAS2 + Key Manual
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Audi TT 8J Petrol Engine Starter Motor 2.0 TFSI BWA 02E911023J
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BMW F10 F11 530d N57 245HP Engine Control ECU Kit Module DDE 8510643 CAS4 Key
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BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Keys Manual
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Part no. 9369123
BMW X3 F25 Front Seat Control Unit Module ECU Left Right N/O/S 9369123
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Part no. A2215407045
Mercedes W221 Gateway Control Unit Module ECU A2215407045
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Part no. 8W0035454
Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454
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Part no. 4H0907163A
Audi A7 4G S-Tronic NSK Automatic Gearbox Control Module Unit 4H0907163A
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Mercedes-Benz A B Class W176 W246 Battery Holder Mount Bracket A2466280041
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Part no. 9226238-1
BMW E60 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9226238
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BMW 1 3 Series E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9132539
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BMW 5 6 7 E60 E63 E65 Adaptive Light Control Unit Module LM E6X 9153273
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Mercedes W202 Central Locking Vacuum Pump Control Unit A2028001448
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Part no. 9274570
BMW F20 Head Unit Navigation GPS Sat Nav Infotainment DAB High F10 F30 9274570
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Mercedes W205 Multi-Purpose Windscreen Camera Control Unit Module A2479006804
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Mercedes W205 W213 C238 Bluetooth Hermes LTE Control Unit Module A2139002210
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Part no. 7640005-3
Mini Cooper R55 R56 N12 1.6 120HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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Part no. 9264625
Seat Wiring BMW F20 F30 F31 F34 Passenger's Side Cable Loom Harness 9264625
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Part no. 6840399
Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation Business GPS 6840399
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Part no. 6758750
BMW E60 E61 E63 E64 DSC Hydro Braking Pump Unit Speed Sensor
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Part no. A6398200186
CD Radio Mercedes W639 W906 Audio Stereo Head Unit A6398200186
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Part no. 8384525
BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384525 6920648
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Part no. A2035453801-1
Mercedes W203 W209 Fuse Box Rear SAM Module Relay Control Unit A2035453801
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Part no. 4F0907289G
Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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Part no. A1645403462
Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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Part no. 9688409680
Peugeot 5008 2.0 HDI Diesel Glow Plug Wiring Loom Cable 9688409680
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Part no. 8200527320
Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Bracket Mount 8200527320
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Part no. BK2T14B476AU
Ford Transit Custom MK8 Body Control Module Unit BCM ECU BK2T14B476AU
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Part no. 6G9T14B533EL
Module Land Rover Freelander 2 ECU Front Door Lock Control Unit 6G9T-14B533-EL
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BMW E60 E60N E61N LCI M-Audio System Controller CD Player Navi 9186213
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BMW E60 Front Seat Control Unit Module ECU Right Temic 9148256
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Mercedes Vito W639 OM646 Diesel Engine Wiring Cable Loom Harness A6461501388
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Part no. A6395400050
Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400050
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Part no. 9153272
BMW E60 E63 LCI E65 Light Control Module LCM LM2 LMII E6X LWR
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Part no. 9236461
BMW F10 Footwell Light Control Unit Module ECU FRM III 9236461
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Part no. A0999000400
Steering Lock Mercedes W176 W246 Control Unit Module VST A0999000400
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Part no. 7589971-11
Mini One R56 N12 95HP ECU Engine Control Kit DME 7589971 + CAS3 + Key Automatic
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Part no. 8645515
BMW X3 F25 X4 F26 Integrated Supply Module 8645515
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Volkswagen Touareg 7L Engine Starter Motor 077911023
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Mercedes-Benz A B W176 W246 160 180 CDI Transmission Control Unit Module ECU
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BMW E46 E64 Driver Side Seat Wiring Loom Electric Harness 7002532
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Part no. 7560955-1
BMW 3 Series E90 320si 173HP DME 7560955 Petrol N45 ECU Kit CAS2 + Key Manual
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Part no. LRA02830
Chrysler Grand Voyager Alternator Mounting Bracket Carrier LRA02830
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SAM Module Mercedes W205 GLC X253 Front Body Comfort Control Unit A2059007845
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Mercedes Vito W447 Rain Light Sensor Windscreen Control Unit A4479052505
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Mercedes W203 W221 Wind Screen Wind Shield Rain Sensor Unit A2218708826
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Part no. 7809002-2
BMW E81 E82 E87 LCI E88 N47S 123d Engine ECU Kit DDE 7809002 CAS3 + Key Manual
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Part no. A1405400282
Mercedes C140 Fuse Box Relay Cover Lid Control Unit Bracket Trim A1405400282
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Part no. 8519663-24
Mini Cooper SD R55 R56 LCI R60 N47N 143HP Engine ECU DDE 8519663 Automatic
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Part no. A0009051302
Mercedes W166 W176 W246 Radar Sensor Front Control Unit Module A0009051302
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Part no. 7580279-1
BMW E81 E87 LCI E90 E91 118i 318i N43 143HP Engine ECU DME 7580279 Automatic
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Part no. 8K0959792N
Audi Q5 8R Door Lock Control Module Unit ECU Front Left N/S 8K0959792N
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Part no. 7587164-2
BMW E82 E88 Cabrio 125i N52N 218HP ECU Kit DME 7587164 CAS3 Key Manual
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Part no. A0061515601
Mercedes ML W164 W211 W221 Engine Starter Motor A0061515601 0001109262
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Part no. 8610635-2
BMW F31 F34 328i N20 245HP Engine Control Unit Module ECU DME 8610635 Automatic
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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 .