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. 7561684-5
BMW E60 E90 325i 525i N52 218HP Engine ECU Kit DME 7561684 CAS2 + Key Manual
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Mercedes W176 A220 CDI BlueEFFICIENCY 651.930 170HP Engine Unit ECU A6519003001
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Mini Cooper S R53 Positive Battery Cable Plus Pole Wire 1508931
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Audi Seat Skoda Volkswagen Gateway Control Unit Module ECU 3Q0907530AA
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Kia Ceed Hyundai Air Module Safety Control Unit Ver. 3.3 ECU 95910-1H050
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BMW E60 E63 E64 KBM Basis Body Control Module ECU Control Unit 9176069
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BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7801710
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Engine Wiring BMW F30 F31 F32 F36 LCI 330d 430d N57N Loom Harness Cable 8514831
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Alternator Generator Honda Civic Jazz Petrol Engine Mitsubishi 31100-PWA-004
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9173686
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Opel Insignia A 2.0 CDTI Diesel Engine Alternator Generator 14V 100A 13502583
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YUASA YBX 9000 AGM Start Stop 12V Accumulator Battery 95Ah 850A YBX9019
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Part no. 8571039
Engine Wiring BMW F20 F21 LCI B37 Injector Loom Harness Cable Module 8571039
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Part no. 7811151-3
BMW E60 LCI E90 E91 325d 525d M57N2 Engine ECU Kit DDE 7811151 CAS3 Keys Manual
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Part no. 5A9BF91
BMW i4 G26 G20 Radio Audi Receiver Module DAB HIGH ECO Harman Becker 5A9BF91
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Audi Q3 8U Head Unit Radio Navigation Multimedia Control Unit Panel 8U0035193B
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BMW E65 E66 Sensor Air Bag Front Left Door N/S Module Airbag 6960227
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Part no. 6870078
Earth Ground Cable BMW G20 G21 G30 G31 G11 Line Strap Battery Lead 6870078
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Porsche Boxster 986 Wiper Control Intermittent Relay 6 Pins 98661510300
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Audi Q7 4M Engine Starter Motor Actuator Starter Valeo 3.0 TDI Diesel 057911022
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Mercedes W177 Recirculation Pump Wiring Loom Cable Harness A2475402228
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Smart Fortwo C453 Power Steering Column Control Unit Module 6700003892
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Part no. 7805288-1
BMW E60 LCI E90 E91 E92 325d 525d M57N2 Engine ECU KIT DDE 7805288 CAS3 + Keys
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Part no. 8W0971553
Audi A4 B9 Front Seat Side Air Module Wiring Harness Loom Cable 8W0971553
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Part no. 3454607
BMW 3 X3 E46 E83 Body Control Unit Module GM5 Star12 Lin High 12V 3454607
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Part no. A1569009100
Mercedes W204 C63 AMG 457HP M156.985 Engine Unit ECU A1569009100 Automatic
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Part no. A0025422619-2
Mercedes ML W163 Relay 4-Pin Grey Tyco Set Kit A0025422619
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Part no. A2215400401
Mercedes W221 Power Supply Battery Control Module Unit A2215400401
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Part no. 7581848-2
BMW E81 E87 LCI E90 116i 316i 115HP N45N ECU Kit DME CAS3 Lock + Key 7581848
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Part no. 8K0907279
Audi A5 8T Gateway Convenience Body Module Control Unit ECU 8K0907279C
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Part no. 8600124
Mini One R56 LCI R60 N16 98HP Engine Control Unit Module ECU DME 8600124 Manual
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Part no. 8635624-3
Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DME 8635624 BDC Keys
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Part no. 6958138-1
BMW Z4 E85 Positive Battery Clamp Fuse Box Cable Wiring 6958138
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Part no. 8X0907159B
Audi A1 8X Fuel Pump Module Control Unit ECU 8X0907159B
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Part no. 8692971-1
BMW F20 F30 F32 125i 325i 425i Petrol B48 224HP ECU DME 8692971 + FEM + Keys
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Part no. RHD-A2218230350-1
Mercedes W221 Telephone Keypad Control Unit Module A2218230350
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Part no. 9247874-1
BMW F13 Central Information Display Screen CIC Navigation Professional 9247874
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Part no. 9197163
BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM II 9197163
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Part no. A1646803535
Mercedes-Benz M-Class ML W164 B-Pillar Trim Cover Bottom Left N/S A1646801935
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Part no. A2129009705
Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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Part no. 7575875-2
BMW E90 E91 E92 335i 306HP Engine N54 ECU Kit DME 7575875 + CAS3 + Key Manual
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Part no. 03G972619KP
Volkswagen VW Touran 2.0 TDI BKD Engine Wiring Harness Loom Cable 03G972619KP
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Part no. A6429005601
Mercedes C207 Glow Plug Relay Unit Control Module A6429005601
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Part no. 059903018E
Audi Q7 4L Diesel Alternator Generator Engine Electrical Unit 059903018E
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BMW F20 Gearbox Transmission Harness Wiring Loom Manual 8507908
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Part no. 82A035043A
Audi RSQ3 F3 Audio Central Computer Head Unit Navigation 82A035043A
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Part no. A2059002211
Display Mercedes C205 Dashboard Central Multimedia Car System Screen A2059002211
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Part no. 8512043-1
BMW E90 E91 LCI 318d N47N ECU Kit DDE 8512043 + CAS3 + Key Manual
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Part no. 8626172
BMW F30 328i F33 428i N20 245HP Engine Control Unit ECU DME 8626172 Automatic
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Part no. 7595179-7
BMW E87 LCI E90 N43 118i 318i ECU Control Unit Kit DME 7595179 CAS3 + Key
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Part no. 8J0907115-1
Audi TT 8J 2.0 TFSI BWA 200HP Engine Module Control Unit ECU Set 8J0907115
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Part no. 8H0959433M
Audi A4 B7 Body Comfort Control Module BCM Unit ECU 8H0959433M
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Part no. A0009060922
Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922
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Part no. 6986081-2
CD Changer BMW E60 E61 E63 E64 Compact CD Changing Unit 6986081
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Part no. rhd-A2055402250-1
Mercedes W205 Fuse Box Relay Control Module Battery Terminal A2055402250
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Part no. 9240530-1
BMW E91 LCI Footwell Light Control Module LCM LED Basis FRM3R PL2 9240530
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Part no. 9236458
BMW F01 F02 F04 F07 LCI Footwell Light Control Module ECU Unit FRM3 9236458
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Part no. A0999004101
Steering Lock Mercedes W176 W246 Control Unit Module VST A0999004101
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Part no. 05E903026Q
Audi A1 GB Seat Ibiza FR Alternator Generator 140A Petrol 1.0 TSI 05E903026Q
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Part no. A1679009011
Mercedes W205 C213 X253 Rear Door Control Module Unit ECU Left N/S A1679009011
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Part no. A0009052702
Mercedes W169 W204 W212 Battery Cable Negative Lead Wiring Harness A0009052702
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Part no. A2139003022
Door Module Mercedes W205 W213 X253 Rear Right Door Control Unit A2139003022
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Part no. A2479001015
Instrument Cluster Module Mercedes W177 C118 Speedo Gauges Control A2479001015
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Part no. 6906911-1
BMW X5 Series E53 Battery Positive Lead Red Cable Wire Plus Pole 6906911
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Part no. A1648209289
Mercedes ML W164 Audio 20 Stereo Radio CD Head Unit Player A1648209289
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Part no. A6461503278-1
Mercedes W639 Vito OM646.982 109HP Engine Module ECU Kit A6461503278 Key Lock
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Part no. 7810950-5
BMW E70 3.0d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 Key Automatic
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Part no. 8589170
Starter Harness BMW X3 G01 X4 G02 30dX 40dX B57 Cable Base B+ Loom 8589170
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Part no. 8518167-2
BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8518167 Manual
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Part no. 431951253H
Audi TT 8N A4 B5 A6 C5 A8 D2 Relay Control Unit Module 12V 4 Pins 431951253H
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Part no. 6982394-1
Parking Module BMW E81 X1 E84 E87 E90 E91 PDC Sensor Control Unit 6982394
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Part no. 5NA980611A
Volkswagen Golf 8 CD1 Wireless Phone Charging Center Console Module 5NA980611A
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Part no. 8519668-1
BMW E90 E91 LCI 320d N47N 184HP ECU KIT DDE 8519668 + CAS3 + Key Manual
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Part no. A1645403462
Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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Part no. Duracell 63Ah Accumulator
DURACELL Advanced Extended Accumulator Battery 63Ah 620A 12V
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Part no. 8512499-9
BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Keys
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Part no. 7587548-6
Mini R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS3 + Key Automatic
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Part no. 8631725-5
BMW F30 F31 320i N20 184HP Engine Control Unit ECU DME 8631725 Automatic
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BMW 5 6 F10 F11 F12 Cable Set Power Steering Rack Box Wiring Harness 9271762
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324781
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Part no. 7803369-2
BMW E60 E90 330d 530d M57N2 ECU Engine KIT DDE 7803369 CAS3 + Key
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Part no. 1S0919275-DGR
Audi A5 8T Parking Sensor Control Module Daytona Grey Metallic - Z7S 1S0919275
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BMW 1 Series E87 CAS2 ECU Control Unit Key Reading Module 6943771
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BMW 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
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Body Control Unit BMW E46 E83 Basic Module GM5 Star12 6963026
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BMW F01 F07 F10 F11 Tire Tyre Pressure RDC Control Unit Module 6871056
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BMW X3 E83 Light ECU Control Module Unit Lear LM MAN.LWR 3420786
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BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9395177
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Part no. 9665580680
Alternator Citroen Berlingo Peugeot Partner Diesel 1.6 Hdi Alternator 9665580680
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Part no. 8635624-2
Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DME 8635624 BDC Key
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Part no. 9147196
BMW E81 E87 E90 E91 E92 CAS 3 Key Reading Module Control Unit ECU 9147196
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Part no. LU5T17D547
Ford Transit Custom Mk8 Front Windscreen Rain Sensor Module LU5T-17D547
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Part no. 7588502-5
Mini One R55 R56 N12 1.4 Petrol Engine ECU Kit DME 7588502 CAS3 + 2 Keys Manual
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Part no. A1669000213
Mercedes ML W166 Radio Stereo CD Player Audio Sat Nav Head Unit A1669000213
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Part no. 9824601180
Citroen Relay III 2.2 HDI 140HP DW12RUD Engine Control ECU 9824601180 Manual
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Part no. 6956748
BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Tiefgruen Green A43 6956748
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Part no. 8610484-1
BMW F20 F21 114i N13 102HP Engine Control Unit ECU KIT DME 8610484 FEM Key Lock
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Part no. rhd-7540846
Engine Wiring BMW E65 E66 N62N Loom Module Harness Cable 7540846
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Part no. A9068200486
Radio Player Mercedes W639 W906 Audio Stereo CD Head Unit Display A9068200486
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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 .