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. 7619333-1
Mini Cooper S R55 R56 LCI N18 1.6 184HP ECU Kit DME 7619333 + CAS3 + Key Manual
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BMW Disc Professional Navigation 08-1 DVD Road Map Europe T1000-12678
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Audi Q3 8U Sat Navi Stereo Radio Audio Head Unit CD Player 8U1035192B
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Mercedes W639 111 CDI OM646 109HP Engine Unit Module ECU Kit A6461532591 Manual
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Gateway Control Unit Audi A5 F5 Diagnostic Interface Module Unit ECU 8W5907468D
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Parking PDC BMW F07 F10 F11 LCI Distance Control Module Unit 9337731
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Mercedes W204 C280 M272.947 231HP Engine Unit ECU A2721535691 Automatic
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BMW E60 E90 LCI 325i 525i N53 218HP ECU Engine Control DME 7578020 Automatic
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Ford Transit Mk9 Front Camera Park Assist Bracket Washer Nozzle KK31-19H455-A
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BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS2 Key 7577968 Manual
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Audi A8 4H Door Control Module Passenger Unit ECU Front Right O/S 4H0959792E
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BMW Disc Professional Navigation 2014 DVD Road Map Europe T1000-21053
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Mercedes W447 Horn Signal Wiring Connector Electrical Cable A4475401011
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Mercedes ML W166 GLE C292 Relay Current Power Limiter Fuse Box A1669067701
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Mercedes W211 Head Unit CD Player Navigation COMAND GPS Unit A2118700089
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Mercedes X253 GLC 250 M274.920 4-Matic Engine ECU Unit Module A2749002900
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BMW F20 F21 116d ed N47N 116HP Engine ECU Kit DDE 8514735 + Key + FEM Manual
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BMW 3 Series E46 316i N42 116HP ECU Kit DME 7513965 + EWS3 + Key Manual
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8580307 CAS3 Key Automatic
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BMW Varta VRLA / AGM 12V Accumulator Battery 80Ah 800A 7555718
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BMW F10 F11 LCI M5 F06 F13 M6 S63N Cable Alternator Starter Base B+ 7843349
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Head Unit BMW F20 F30 LCI F36 CD Player DAB Radio Sat Nav Navigation 6825837
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BMW 3 Series F30 F31 Front Right O/S Wiring Loom Harness Cables Set 9259986
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Audi Q7 4L A1 8X Negative Battery Cable Lead Monitoring Module 8K0915181D
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Amplifier Unit BMW E87 E90 E91 E63 Top Hifi AMP Audio Harman Becker Unit 6955478
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BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side
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BMW Z4 E89 Roadster Cabrio Convertible Top Module CTM 09264978
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Part no. 8579478-1
BMW F20 F30 120dX 320dX N47N 184HP ECU Kit Control Unit DDE 8579478 FEM Key
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Audi Q7 4L Front Seat Memory Control Module Unit ECU Left Right N/O/S 4F0959760D
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BMW X3 Z4 Series 1 E83 E85 E86 Radio Business CD Player 65126943437 6943437
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Starter Motor BMW X3 G01 G20 G21 G30 G31 B47 Diesel Engine Valeo 5A33FB9
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Renault Trafic II Display Screen Multifunction Unit Dashboard 8200584888
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Mercedes Sprinter W907 W910 Wiring Cable Plug OBD Socket A2025405981 A9070005999
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Part no. 03G906016JA
Audi A4 B7 1.9 TDI Engine Control Unit Module ECU 03G906016JA Manual Gearbox
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BMW G11 Central Information Display Screen Navigation LG CID 10,25" 6839442
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Part no. 13275881
Vauxhall Insignia A Fuse Box Front Body Control Module ECU BCM Unit 13275881
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Part no. A6461501877-1
Mercedes W906 311 CDI OM646.985 109HP Engine ECU Unit Module A6461501877 Manual
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Audi A3 8Y Battery Box Tray Housing Holder Bracket Cover 5WA915331B
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Audi TT 8J 2.0 TDI 170HP CFGB Quattro Engine ECU Unit 03L906018DT Manual
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VW Volkswagen Golf R 7 Rear Tailgate Boot Lid Wiring Adapter Loom 5G0971175B
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Ford Transit Mk8 Radar Adaptive Cruise Control Sensor LB5T9G768AB
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BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6952987
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Porsche Macan 95B Xenon Headlight Control Unit Module Front Right O/S 95B941329
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Volkswagen Touran 1T Front Door Right O/S Electrical Wiring Harness 1T0971121L
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Mercedes W447 Head Unit CD Radio DAB Player Navigation GPS Navi A4479005217
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YUASA Silver 5000 12V Accumulator Battery 80Ah 760A HSB019
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Mercedes C219 Electronic Level Air Suspension Module Control Unit A0365453232
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Power Audio Audi A6 S6 C7 A7 S7 4G A8 S8 D4 Sound Amplifier Amp 4G1035223A
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Part no. 8518423-1
BMW F20 F30 120d 320d N47N 184HP Engine Unit ECU Kit DDE 8518423 FEM Key Manual
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Audi A6 C6 Front Door Left N/S Module Unit Control ECU 4F0959792R
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Part no. 7844101-1
BMW E90 E92 E93 M3 Engine S65 420HP ECU Kit DME 7844101 CAS3 + Key Drivelogic
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Mercedes-Benz C200 W205 Touch Panel Controller Wiring Harness A2055402024
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Part no. 6754289
Speed Sensor BMW Z3 E36 3 E46 DSC Yaw Rotational Speed Sensor 6754289
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Mercedes W213 W257 Multimedia Unit USB Port A2138203200
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Mercedes W213 SAM Module Signal Actuation Module Comfort Unit A2139003711
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Audi Q7 4L Gateway Module Central Control Unit 4L0907468C
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Mercedes W204 W212 C220CDI 170HP OM651.911 Engine Control ECU A6519007500 Manual
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Engine Wiring Mercedes W211 CLS C219 OM642 Harness Loom Cable A6421506133
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Volkswagen Touran 1T Door Cable Wiring Harness Loom Front Left N/S 1T0971557AD
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Part no. 3450543
Mini Cooper R57 R57N LCI Roof Operating Unit Light Switch 3450543
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BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Keys
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 Mid 9267518
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BMW F10 F20 F22 F30 Multimedia Stereo Navigation Sat Nav Head Unit High 9302228
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Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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Part no. 8K0862401A
Audi S5 8T Telephone Holder Connection Adapter Module 8K0862401A
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Mercedes-Benz M-Class ML W164 Wiring Loom Cable Harness AUX A0395453128
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Audi S5 8T Front Seat Control Module Unit ECU Left Right N/O/S 8T0959760B
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Part no. 6840446
BMW i3 I01 High Voltage Air Con Compressor A/C Cable Wiring Harness 6840446
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Part no. 7566706
BMW E60 E61 E63 E65 550i 650i 750i N62N 367HP Engine ECU DME 7566706 Automatic
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Part no. 4F0035541K
Audi S4 B8 Radio Reveiver Tuner K BOX MMI Unit ECU 4F0035541K
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Part no. 9349875
Door Wiring BMW i3 I01 Cable Loom Rear Left Right N/O/S Harness 9349875
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Telematics Module Mercedes C238 Communication Blutooth Control A2229004320
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Part no. 5B547A4
BMW E65 E66 E67 Control Unit Door Front Driver's Side 5B547A4
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Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9226957
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BMW X1 E84 Display Screen Monitor On-Board CID TV Navigation System 8,8" 9289582
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Part no. 8517874-3
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Keys + FEM + Lock Manual
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BMW 5 X5 Series E39 E53 Radio Business CD Player 6961218
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Seat Leon Mk3 5F Radio Head Unit Multi Media CD Player Sat Nav 5F0035858A
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Mercedes W209 Convertible Roof Module Folding Top Control Unit ECU A2098205026
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Mercedes SL63 R231 Roadster Fuse Box Passenger Footwell Fuse Box A2315401050
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BMW F20 F21 F22 F87 Windscreen Camera Front Window KaFAS Camera 9278358
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Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S
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BMW F20 F30 118d 318d N47N 143HP Engine ECU Kit DDE 8518424 + FEM + Key Manual
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BMW 5 6 Series E60 E61 E63 CCC Onboard Monitor Wiring Cable Connection Line
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CD Radio Mercedes W639 W906 Audio Stereo Head Unit A9069006001
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Mercedes Vito W639 109CDI 646.980 95HP Engine ECU Kit A6461500678 Ignition + Key
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BMW E60 E61 E63 E64 M-ASK M-Audio System Controller Navigation Radio 6983842
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Gateway Module Audi A3 8P Volkswagen Golf Mk6 Control Unit ECU 1K0907530AF
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Mercedes C257 Rear Left Exhaust Gas Line Actuator Mechanism Unit A2229067503
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BMW 1 3 Series E87 E90 E91 118d 318d Engine ECU Kit DDE CAS2 Key 7795844
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Mercedes R171 SLK200 Kompressor M271.954 184HP Engine Control ECU A2711536091
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BMW F40 G20 G21 G30 G31 Hifi Audio Sound AMP Amplifier Module RAM DAB 5A923E3
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BMW F12 Aerial Antenna Amplifier Diversity Control Module Unit 9257382
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Part no. 6928990-4
Battery Cable BMW E63 E64 Positive Plus Pole Lead Terminal Wiring 6928990
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Part no. 8664661-2
BMW F22 F23 228i F30 328i N20 245HP Engine Control Unit ECU Kit DME 8664661
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Part no. A1679009611
Mercedes W205 W213 X253 Door Module Rear Right O/S Control Unit ECU A1679009611
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AVON Battery Calcium Technology 62Ah 480A Accumulator
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Part no. rhd-8784916
Head-Up Display BMW F90 M5 G30 Hud Project Dash Screen Control Module 8784916
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BMW Mini One F54 F55 F56 B38 1.2 Petrol Basic Control Unit Engine DME 8691830
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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 .