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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Audi A3 8P CD Player Radio Stereo Head Unit 8P0035195P
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BMW F10 520d F20 120d F30 320d N47N 184HP Engine Unit ECU DDE 8578995
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Ford Transit Connect 1.8 TDCi Battery Positive Cable Clamp Wiring 2T1T14A280CG
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BMW F22 F30 F32 220i 320i 420i Petrol N20 184HP ECU Kit DME 8631725 + Key + FEM
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Mercedes W124 M103 Alternator Generator BOSCH 14V 70A A0131541002
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BMW E81 E87 LCI E90 N43 116i 316i 2.0 122 HP Engine Unit ECU DME 7621178 Manual
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Parking Module Audi A4 B8 A5 8T PDC Sensor Control Unit 8K0919475R
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VW Polo 9N MK4 Fabia II 1.4 TDI BMS Alternator Mount Support Bracket 038903143AG
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Aerial Roof Antenna Mini R56 Base Unit Module R55 R57 3442133
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BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 6943834
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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Volkswagen VW Golf Mk6 5K Skoda Yeti 5L Air Module Control Unit ECU 5K0959655D
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BMW E34 E38 E39 Relay Make Contact Pink 8365326 0332019168
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BMW X5 E53 Fuse Box Label Trim Cover Panel Sticker 6920035
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Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500133
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Trunk Lid Module BMW F40 F90 M5 G20 G30 Power Tailgate Control Unit 9451484
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Headlight Module BMW F83 M4 F33 LCi FLE2 Front Lights Right Left N/O/S 8494843
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BMW F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9387565
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR01 ECU 9324784
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Mercedes W204 W207 C218 W212 E220 Navigation 20 Control Module Unit A2079005400
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BMW 5 6 Series E60 E63 On-board Navigation Display Monitor Screen 6,5" 6957342
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Mercedes W221 Telephone Bluetooth Control Module A2218708685
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BMW F10 F11 Gateway Module ECU Control Unit LEAR ZGW-02 Mid Plus 9284422
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VW Volkswagen Touran Golf Polo Interface Module Multimedia Control 5N0035342B
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CD Changer BMW X5 E53 Z4 E85 6 Disc Control Unit Module With Magazine 6946990
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BMW X5 E53 6-disc CD Changer Control Unit Module With Magazine 6977766
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BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business Unit 9249404
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Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603
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Mercedes W176 A200 CDI BlueEFFICIENCY OM651.901 Engine Module ECU A6519007600
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BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943284
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Audi A4 B9 Connector AUX USB Adapter Port Socket 8W0035736
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Audi A5 8T Door Module Control Unit ECU Front Driver's Side 8T0959793J
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Mercedes W205 Air Module Control Unit SRS ECU A2059002141
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BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP Engine Control ECU DDE 8518568
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Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
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Audi A4 B8 A5 8T Front Lamp Headlight Range Control Module 8K5907357B
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Mercedes-Benz E-Class W210 S210 Battery Cable Box Connector Right A2105460241
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Multimedia Player BMW X1 E84 E87 E90 E91 E92 LCI Radio Professional DAB 9302159
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Mercedes R172 BlueEFFICIENCY 271.861 184HP Engine ECU Kit A2711500391 Keys Lock
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Mercedes C219 Front Fuse Box SAM Relay Control Module A2115457301
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BMW 3 Series E90 E91 LCI 320d N47N 184HP ECU Kit DDE 8506566 CAS3 + Key Manual
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BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Automatic
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Opel Insignia A 2.0 CDTI Diesel Engine Alternator Generator 14V 100A 13502583
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Mercedes-Benz CLK E C208 W210 Holder Bracket Engine Control Unit A2025458140
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BMW X3 Series E83 2.0d Engine M47N2 150HP ECU Kit DDE 7803373 EWS3 + Key Manual
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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BMW 5 6 Series E60 E61 E63 E64 Control Unit CAS 2 Module 6943851
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Radio CD Player Ford Mondeo MK4 Galaxy MK3 Sony DAB Radio Stereo BS7T18C939FB
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BMW 7 Series E65 E66 E67 Telephone Navigation Adapter 6938360
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BMW E60 E90 E91 E92 LCI 335D 535d M57N2 Engine ECU KIT DDE 7809955 + CAS3 + Key
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Audi TT 8J Audio Amplifier Radio Sound BOSE Unit 8J0035223D
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Mercedes-Benz C CLK E S Class W210 Changer Player A0028207989
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BMW 1 3 5 Series E60 E87 E90 E91 Cable Adapter iPod Connection 2154179
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Kia Ceed Sportage Hyundai Relay Unit 5 Pins 30/20A Blue 95225-1F100
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BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM II 9197163
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Audi Q3 8U 2.0 TDI CUWA Fuel Pump Relay Control Unit Module ECU 5Q0906121M
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CD Player BMW E60 E61 LCI E63 E64 Radio Stereo CHAMP Business Head Unit 9187903
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Mini Cooper R60 Control Unit Light Module High EKS ECU PL3 FRM3R 3456395
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Mercedes W176 Radio Control Function Button Knob Controller Unit A2469009802
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BMW E65 E66 Control unit power ECU module 6957026
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BMW Z4 Series E85 Roadster Passenger Side Door Cable Harness Wiring 6934610
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Part no. 3453891-1
Mini Cooper Cabrio 1 R57 Aerial Roof Antenna Base Unit 3453891
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Part no. F1FT-14014-ALA
Ford Focus Mk3 BCM Body Control Module Fuse Box F1DT-14A073-DF
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Part no. 3456905
Mini R56 LCI Fuse Relay Distribution Box PL3 SPEG H4 3456905
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Part no. 9205895
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9205895
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917
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Mini Cooper R57 R58 R59 Microphone Hands Free Telephone 9167397
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BMW 7 Series F01 LCI ECU Body Control Module Junction Box JBBFEIII V5 9286940
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BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9150718
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BMW E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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BMW 5 Series E39 Left N/S Air Box Pollen Microfilter Service Cover 8379627
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Mercedes-Benz E W210 Seat Memory Control Unit Module Front Right A2108206626
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BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331
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Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P
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SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module
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Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
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Ford Transit TT9 Control Unit Relay Central Door Lock Module ECU F3LB-14B118-AA
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Mercedes W212 E200 BlueEFFICIENCY M271.860 184HP Engine ECU A2711500391
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BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Mercedes W221 Door Module Front Door Left N/S Control Module A0038206326
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BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Glacier A83 Silver Set
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Mercedes C117 W176 W246 Battery Positive Plus Pole Terminal Lead A2469067901
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Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907063N
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BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559
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Audi A3 8Y Adaptive Cruise Control Radar Sensor Control Unit Module 5WA907572B
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BMW F30 F31 F32 LCI 330dX N57N Engine Gearbox Module Wiring Cable Loom 8578498
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Head Unit BMW E90 E91 Radio CD Player Navigation Sat Nav DAB Unit 9273187
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CD Player BMW E60 E61 E63 M-ASK M-Audio Radio System Controller 6965046
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BMW F10 Light Module Control Unit ECU Lear ZGW-02 Mid Plus 9243212
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BMW 3 5 7 Series E34 E36 E38 E39 Relay Control Module Unit White 1729004
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BMW X5 E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9292707
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Mercedes W205 W213 Ignition Central Lock Control Unit Module ECU A2139005528
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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 .