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. A2711500391-1
Mercedes W212 E200 BlueEFFICIENCY M271.860 184HP Engine ECU A2711500391
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BMW X5 E53 X3 E83 M57N2 Alternator Generator Diesel Engine Power 150A 7797661
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Fuse Box Citroen Berlingo Peugeot Partner BSM Module Control Unit 9807028880
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BMW E85 Roadster Cabrio Safety Information Air Module 6939811
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BMW F20 F21 F30 F31 F32 Rain Light Solar Sensor 6814596
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Audi TT 8J Driver's Side Door Wiring Harness Loom 8J0971029AD
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BMW 5 6 7 Series E60 E61 E65 N62N Petrol Alternator Generator 180A 7542934
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Automatic
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Audi Q7 4L Body Comfort Control BCM Onboard Supply Module Unit ECU 4L0910553L
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BMW F06 Electric Wiring Cable Loom Harness 9269983
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Audi A1 8X Air Module Sensor Control Unit Module 8X0959655A
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Mini Cooper R55 R56 R57 1 CCC Navigation Navi Sat Nav Head Unit 9138452
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BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919
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BMW F20 F21 F23 F30 F31 F32 Telematics Control Unit Module ATM ECE 4G 2622598
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BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9119707
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BMW Mini Cooper S R55 R56 Automatic Gearbox ECU Control Unit EGS Module 7600562
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Mercedes W221 Fuse Box Front Relay Control Unit Base Module A2215450001
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VW Volkswagen Touareg 2.5 TDI BPE Engine Control Unit ECU Kit 070906016BT Key
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Engine Wiring Mercedes W204 OM651 Diesel Harness Loom Cable A6511500156
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Mercedes W203 C220CDI OM611.692 116HP Engine Unit ECU Kit A6111537779 Key Lock
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BMW E92 Coupe Footwell Xenon Light Control Module Lear FRM3R PL2 9286882
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Audi TT 8J Front Left N/S Door Wiring Harness Cable Lom 8J0971030AE 8J0971030AB
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Ford Transit MK7 CD Player Radio Stereo Audio Head Unit 8C1T18C815AD
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Part no. 6Q1937049B
VW Polo 9N Seat Body Control Comfort Unit Module BCM Convenience Unit 6Q1937049B
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Part no. 5Q0907530AC
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530AA
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Part no. 7964084-LMB
BMW E60 E61 PDC Parking Ultrasonic Sensor Rear Le Mans Blau Blue 381
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Part no. A2215407045
Mercedes W221 Gateway Control Unit Module ECU A2215407045
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Part no. 8X0919475AE
Audi A1 8X PDC Assistance Parking Distance Control Module Unit ECU 8X0919475AE
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch 0986024980
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Part no. 4G0907637
Audi A7 4G8 ESP Yaw Rate Module Control Unit Sensor ECU 4G0907637H
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BMW F07 GT F10 F11 535d F13 640d LCI N57Z 313HP Engine ECU DDE 8586536 Automatic
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Part no. A2045405709
Mercedes W204 Dashboard Dash Navigation Central Display Wiring Cable A2045405709
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Part no. 079903015P
Audi A7 S7 4G 4.0 TFSI Petrol Engine Alternator Generator 079903015P
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Part no. A1729015805
Mercedes SLK R172 Airbag Module SRS Control Unit ECU A1729015805
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Part no. a2469004716
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469004716
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Part no. 6958198-1
BMW 1 Series 1 E87 6-disc CD Changer Without Magazine 6958198
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Part no. 7634063
Gearbox Wiring BMW F10 F11 520i 528i N20 Automatic Engine Loom Harness 7634063
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Part no. 7794952
BMW E60 M57 Engine Starter Motor 7794952 0001115041
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Air Module Mercedes W639 W906 Control Unit ECU Air Sensor 0285011060
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Radio Head Unit Mercedes SLK R171 CD Player Control Unit Module A1719000100
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Auto Radio BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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Mercedes W447 114CDI SAM Comfort Control Unit Module Box ECU A4479009509
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Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673
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BMW Mini Clubman R55 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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Renault Master III Opel Movano B 2.3 DCI CDTI Alternator Generator 231001822R
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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Audi A5 S5 8T Door Module Control Unit Front Passenger Side 8T0959792J
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Part no. 81A035466B
Audi A3 8V Bang Olufsen Audio AMP Amplifier Module Control Unit ECU 81A035466B
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Part no. 9281723
BMW Z4 Series E89 Roadster Cabrio Convertible Top Module CTM 09281723 9281723
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Part no. 9187544
BMW E91 LCI ECU Body Control Module H4 PL2 JBBFE Junction Box 9187544
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Audi A5 8T A6 C7 USB Adapter Port Socket Connector Cable Wiring 4F0051510Q
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Part no. 8377488
BMW E46 E39 E53 E83 E85 Switch Unit Steering Column 8377488
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BMW E90 E92 E93 Switch Cluster Steering Column Cruise Control 9110887
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BMW 3 5 6 Series E60 M5 E64 M6 E90 E93 M3 Accelerating Sensor
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Part no. A6401503733
Engine Wiring Mercedes W169 W245 Loom Cable Harness Injector Module A6401503733
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Part no. A0009063522
Alternator Mercedes W212 Engine Generator 220A Valeo A0009063522
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Mercedes W166 ML350 Bluetec 4-Matic OM642.826 Engine ECU Kit Module A6429000401
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BMW 3 E36 Coupe Saloon Aerial Antenna Amplifier Signal Booster Module 1387751
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Part no. 9251524
BMW i3 I01 Holder Audio Amplifier Telephone Bracket Mount Trim 9251524
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Audi A6 A8 Q7 CAN Bus Jumper Contact Bridge Connector 4E0941817
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BMW 5 Series E60 E61 LCI Battery Cable Lead Positive Underfloor 9176953
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Audi A5 8T Parking Brake Handbrake Module Control Unit 8K0907801C
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Part no. 6976780
BMW 7 Series E65 E66 Antenna Tuner Amplifier Professional 6976780
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Part no. 4G0907697F
Audi TT FV LED Headlight Ballast Module Daytime Running Lights Unit 4G0907697H
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Part no. 4E0035111A
Audi A6 C6 6-disc Compact CD Changer 4E0035111A
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Part no. 6937223
BMW E60 E61 E65 X5 E70 X6 E71 Control Unit Xenon Light 5DV 009 000-00
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Part no. 3420786
BMW X3 E83 Light ECU Control Module Unit Lear LM MAN.LWR 3420786
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Part no. 6778966
BMW X5 E70 Air Suspension Supply Control Unit Module ECU 6778966
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Part no. 9158040
Mini R55 R56 R57 Flat Cable Wiring Wire CAS 9158040
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Part no. A2049005112-1
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049005112
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Part no. 9193758
Dashboard Monitor BMW E60 E63 E90 E91 LCI Dash Display Screen 6,5" 9193758
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Part no. 9240226
BMW F10 F11 Front Bumper PDC Wiring Loom Electrical Cable Harness 9240226
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Part no. 9225707
On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
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Part no. A2049060205-3
Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Part no. 6962887
Air Module Sensor BMW Z4 E85 E64 B-Pillar Left N/S Crash Module ECU 6962887
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Light Module Mercedes W209 W219 W164 Headlight Headlamp Control Unit A2198202526
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Part no. 8583451
BMW F20 F21 F30 LCI F32 Engine Starter Motor Diesel B37 B47 8583451
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Part no. lhd-A2215401250
Mercedes W221 Prefuse Fuse Distribution Box Unit Front A2215401250
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Part no. A0009102675
Mercedes W204 Seat Loom Cable Multicontour Pump Control Front A0009102675
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9280616
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Mercedes ML W163 Seat Module Control Unit Front Left Right N/O/S A1635452132
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Part no. 6827065-1
BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R 6827065
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Tailgate Lift Module BMW G20 G30 G12 Rear Boot Trunk Lid Control ECU 5A19DB2
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BMW X5 X6 Series E70 E71 TV Video Module Control Unit ECU 9146615
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BMW 1 3 5 Series E60 E61 E87 E90 E91 N52 Alternator Generator 155A 7543083
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Volkswagen Golf Mk7 Air Module Control Unit ECU 5Q0959655M
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Mercedes R172 PDC Parking Distance Sensor Control Module Unit A1729000302
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Mercedes W176 W246 Comfort Module Central Gateway Control Unit VST A1769001101
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BMW F30 F36 G11 Telematics Module Bluetooth Telematik Control Unit ECU 6809300
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Part no. 4M0035456A
Audi A4 B9 Antenna Amplifier Aerial Control Module Unit 4M0035456A
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Part no. A0131541002-1
Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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Part no. A2711502779-2
Mercedes W204 C180 156HP Kompressor M271.952 Engine ECU Kit A2711502779 Key
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Part no. 7823934-3
Mini Cooper D R55 R56 Diesel W16 109HP ECU Kit DDE 7823934 CAS3 Key Automatic
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Part no. 9227500
BMW E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Part no. 8519663-13
Mini Cooper D R55 R56 LCI R60 N47N 1.6 112Hp Diesel ECU Kit DDE 8519663 CAS3 Key
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Mercedes C205 Keyless Go Module Unit Bracket Mount Holder Support A2055455440
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Part no. 9355750
BDC Module BMW X5 F15 Body Domain Controller BDC Unit 9355750
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Part no. A2129004830
Mercedes SLK R172 W212 Rear Fuse Box SAM Relay Control Unit Module A2129004830
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Amplifier BMW F20 F21 F22 F23 Top Hifi Audio Module Harman Kardon 9367804
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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 .