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. 6972678
BMW 1 3 Series E81 E87 E90 Hands-free Electronics Charging Module MULF 6972678
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BMW Z4 Series E89 ECU Body Control Module H4 Electronic Box 61359329799 9329799
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Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AC
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BMW 1 Series E82 ECU Footwell Light Module Control Unit PL2 FRMFA 9197161
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BMW 3 X3 Series E46 E83 Fuse Distribution Box 8364530
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Engine Wiring Harness Mercedes W204 M271.820 Petrol Loom Cable A2711508833
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player Control Unit 9146710
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Audi A6 C6 CD DVD Navigation Sat Nav Head Unit 4F0035769B
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BMW 6 Series E63 E63N LCI Antenna Amplifier Diversity 868 MHZ 9187682
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Mercedes C207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
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Mini R58 R59 Wiring Set Loom Harness PDC Rear Bumper 9283673
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BMW E93 Audio Radio Sound Amplifier Unit HIFI System Lear 9246187
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Mercedes W221 Air Suspension ABC Control Unit Module A2219009603
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Mercedes W205 X253 Wiring Cable Harness Center Console A2054403008
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BMW E46 Convertible Rollover Sensor Control Unit Module 6918515
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BMW E60 E61 Positive Battery Cable Plus Pole Lead 61129127768 9127768
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BMW E87 LCI Footwell Light Module Control Unit PL2 FRM3R 9224592
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Mini R56 High SPEG DC/DC Fuse Distribution Box H3 3453739
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BMW X5 Series E53 Light Check Module Control Unit ECU Lear LCM III 6914655
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Mercedes W176 A200 BlueEFFICIENCY 270.910 156HP Engine ECU Module A2709002100
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Mini Cooper R56 LCI R60 N16 122HP Engine Control Unit Module ECU DME 8600124
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Peugeot 207 1.6HDI Diesel Engine Control Unit ECU Module 9663786380
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Control Unit BMW F07 F10 F11 F12 F13 F25 Air Module ECU Unit Continental 9385025
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Mercedes W164 Diesel OM642 Engine Wiring Loom Harness Cable A6421500856
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Parktronic Mercedes Sprinter W901 W903 Front Bumper PDC Wiring Loom Harness
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Mercedes-Benz A-Class W176 Brake ABS Pump Holder Bracket Mount A2464300210
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Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461500977 Manual
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Audi Q5 8R Air Module SRS System Control Sensor ECU Unit 8R0959655E
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Audi S3 8Y Diagnostic Interface Data Bus Gateway Control Unit 5QS907530A
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Remote Key Audi A4 S4 B7 8E Radio Alarm Key Fob Opener Button 8E0837220Q
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Audi A4 B8 A5 8F 2.0 TDI Diesel Engine Alternator Generator 04L903017D
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Mercedes-Benz A-Class W168 Sensor Mat Seat Occupation Recognition A1688207310
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Part no. 7595179-13
BMW E81 E87 LCI N43 116i 2.0 122HP Engine ECU Kit 7595179 DME CAS3 Key Manual
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Air Module Mercedes Vito W639 Sprinter W906 Control Unit ECU Sensor A9064461542
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Part no. 9181881
BMW X3 E83 Telematics Bluetooth Control Unit Module 9181881
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Mercedes Viano Vito W639 Wiring Harness Tailgate License Plate Lamp A6394404809
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Part no. A6429009900
Adblue Module Mercedes W164 W212 W221 Control Unit ECU A6429009900
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Part no. 7805585
BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU DDE 7805585 Automatic
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Mercedes-Benz Sprinter W906 Front Right O/S Door Wiring Loom Harness A9060005999
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Mini Cooper One R55 R56 LCI Aerial Base Roof Antenna Rod Unit 3456089
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BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943287
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SD Card Mercedes X156 W176 W205 Garmin Map Pilot Navigation Europe A2139062610
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BMW E87 LCI E90 118i 318i Petrol N43 ECU Kit 7599881 DME CAS3 Key Manual
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Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 8E0959651B
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BMW 1 Series E81 E82 E87N LCI E88 Wiring Cable Air Flap PDC Front 9150891
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Audi A4 B8 Door Wiring Harness Loom Front Left N/S Cabling 8K0971030M
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BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651
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BMW E87 E90 N46 118i 318i 129HP ECU KIT DME CAS2 + 2 Keys 7561834 Manual
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BMW Mini Cooper S 1 R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 Key 7610011 Manual
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BMW E64 E85 Sensor B Pillar Air Module Unit Left N/S 6940299
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BMW 5 7 Series 1 E60 E61 E65 E66 Front Driver Seat Angle Adjustment Drive 70759
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Audi A5 8T Harman Multimedia Sat Navi Radio CD Player Head Unit 8R2035666L
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Part no. 3457168
Mini Cooper R58 Fuse Distribution Box PL3 SPEG H8 DC/DC 3457168
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Audi S4 B8 3.0 TFSI CGWC 333HP Quattro Engine Control Module ECU Kit 8K5907551B
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BMW 1 3 4 Series F20 F21 F30 F31 F32 Body Control Unit Module REM 9298961
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LED Module BMW F20 F21 LCI Headlight Front Lamp Headlamp 7428425
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Seat Control Unit BMW E60 E61 Module ECU 9148257
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Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110723BC
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Part no. 7557809-3
BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
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Mini One R50 1.6 W10 90HP Engine Control Unit ECU Kit DME 7557395 Manual
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BMW E91 LCI ECU LED NSW Light Module Control Unit PL2 FRM II 9204532
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Mercedes ML W164 Fuse Box Relay Control Unit Module A1645403272
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Part no. 6923970
BMW X5 Series E53 Rear Third Stoplamp Stop Lamp Brake Light White 6923970
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Mercedes W639 Vito 109 CDI OM646 Engine Unit Module ECU A6461507272 Manual
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BMW F01 F07 F10 F11 F12 F25 CAS4 Module Control Unit Key Reading 6809374
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Volkswagen Golf Mk8 Engine Starter Motor Assembly Unit 0AM911022C
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BMW X5 Series E53 Cable Harness Door Front Right Left N/O/S 3.0i 4.4i SUV
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Audi A4 B7 1.9 TDI Engine Control Unit Module ECU 03G906016JA Manual Gearbox
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Part no. 9236519
BMW 1 Series E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9236519
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Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Part no. 9388224
Mini F55 F56 F57 Visual Boost Surround Central Cover Instrument 9388224
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Part no. 8K0971693B
Audi A4 B8 Rear Door Card Harness Wiring Cable Loom Left Right N/O/S 8K0971693B
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Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689
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Part no. 8600124-3
Mini Cooper R56 LCI R60 N16 Engine Control ECU DME 8600124 CAS3 Key Manual
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Head Unit BMW F20 F21 F22 F30 F31 F82 LCI Sat Nav Radio Media Navigation 8736162
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Alternator BMW F20 LCI Mini F30 F56 F60 Alternator Generator DENSO 150A
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Part no. 6943834-1
BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 6943834
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Mercedes Vito Viano W639 Battery Cable Positive Wiring Harness A6735460011
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Audi A4 B6 4.2 BBK Petrol Engine Alternator Generator 079903021D
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Engine Wiring BMW F80 M3 F82 M4 S55 Inject Loom Cable Harness Injector 7850995
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Mercedes C219 Gearbox Electronic Control Unit Module A2115406445
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Mini Cooper F55 F56 Control Unit Module Active Sound Design Amplifier 6827161
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Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7180427
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 6821203
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Audi A4 B7 A6 C6 Alternator Generator 1.9 TDI Diesel 06F903023HX
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BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8699973 Dual Clutch
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BMW 7 Series E65 E66 Seat Occupancy Sensor Mat Electronic Control Unit 6917134
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BMW E81 E87 LCI E90 116i 316i 1.6 N43 ECU Kit DME 7583225 CAS3 Key Manual
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Part no. 9215954
BMW X5 X6 E70 E71 Negative Battery Cable 9215954 61129215954
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BMW X3 E83 2.5i 3.0i M54 Wiring Harness Cable Engine Ignition Module 3412247
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Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718205126
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Part no. 6943538
BMW E92 Driver's Seat Memory Wiring Cables Loom Harness 6943523
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Toyota RAV4 2.0d 1CD-FTV Diesel Engine Control ECU Manual Gearbox 89661-42A10
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Part no. A0009067703
Mercedes W213 M274 Petrol Three Phase Engine Alternator Generator A0009067703
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Part no. 9251487
BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487
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Part no. 7641003
Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME 7641003 CAS3 + Key Manual
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Part no. 9146329
BMW 5 7 Series E60 E61 E65 Front Passenger Seat Angle Adjustment Drive 9146329
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Mercedes W246 B180 CDI 651.901 109HP Engine ECU Kit A6519007600 Ignition + Key
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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 .