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. 9273182-1
BMW X5 E70 Navigation System Car Computer CIC DAB X6 E71 9273182
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Mercedes SLK R171 Fuse Box Rear SAM Relay Control Unit Module A1715451901
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Mercedes W906 Fuse Box SAM Module Control Unit ZGS Temic A9069006303
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BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 9240077
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BMW F10 F20 F30 Front Seat Control Unit Module Memory 9280913
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BMW X3 E83 Z4 E85 CID Control Unit CD Player Radio Audio System 9166376
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Audi TT 8J Radio Head Unit Navi CD DVD Player Changer 8E0035111D
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Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603A
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Radio Tape Player Jaguar XJR XJ6 X300 Audio Control Unit Cassette AJ9500R
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BMW X5 Series E53 Rear Third Stoplamp Stop Lamp Brake Light White 6923970
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Mercedes W221 Air Suspension ABC Control Unit Module A2219009603
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Mercedes W204 C250 CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9274021
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BMW X5 E70 ECU Body Control Module Unit Junction Box PL4 JBBFEIII R 9227172
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Fuse Box Mercedes W203 C209 Rear SAM Module Relay Control Unit A2035453801
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Part no. A2125400450
Fuse Box Mercedes W212 Battery Terminal Control Unit Module A2125400450
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Part no. 8E0919283D
Audi A4 B7 PDC Parking Distance Sensor Control Unit Module Rear 8E0919283D
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Part no. rhd-8507738
Engine Wiring BMW F10 F11 520d N47N Diesel Loom Harness Cable Automatic 8507738
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BMW Z4 E85 Body Control Unit Module GM5STAR12 LOW 6963038
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Mercedes W169 W245 A180 B180 CDI Engine Control Module A6401507934 Automatic
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Part no. 7599881-13
BMW E87 LCI E90 120i 320i N43 170HP Engine Unit ECU Kit DME 7599881 + CAS3 + Key
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Part no. 9253111-2
BMW 1 2 Series F20 F21 F22 2 Positive Plus Pole Battery Blow Cable 9253111
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Part no. 9197002
BMW X5 Z4 E70 E89 HiFi Stereo Audio Sound System Amplifier 9197002
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Part no. 9322120-1
BMW 3 4 F30 F31 F32 F33 1 Central Information Display Screen 6,5" 9322120
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Part no. ERA AGM 95Ah Accumulator
ERA AGM Start Stop 12V Accumulator Battery 95Ah 810A
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Part no. 9280185
Air Module BMW F10 F11 F01 F02 F03 LCI Control Unit ECU 9280185
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Part no. 6760070
BMW 7 Series E65 E66 Dynamic Drive Power Steering Pump 6760070
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Part no. 5G0035222E
Seat Ibiza 6J USB AUX Port Socket Connection Media Adapter 5G0035222E
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Part no. 9271216
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9271216
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BMW E60 E61 E63 Professional CCC Navigation System Controller 9159022
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Part no. 7276384
BMW F10 F11 F01 Control Unit Module ECU Fuel Pump 7276384
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Part no. 7586134
Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7586134 Manual
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Part no. 7589971
Mini Cooper R55 R56 Petrol N12 120HP Engine Control Unit ECU DME 7589971 Manual
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Part no. 9166709
BMW 3 Series E90 Footwell Light Control Module AHL PL2 FRMII 61359166709 9166709
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Part no. 8639582
BMW F20 M135i F22 M235i F30 335i N55 Engine Unit ECU DME 8639582 Automatic
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Part no. 9809353
Mini R57 LCI R59 Convertible Airbag ECU Control Unit Module 9809353
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Part no. 9197162
BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM II Lear 9197162
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Part no. 6974020
BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6974020
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Part no. 9353990
Audio Amplifier BMW F20 F21 Mini F55 F56 Top Hifi Harman Kardon Unit 9353990
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Part no. 8720302
BMW 1 3 Series F20 F31 LCI Telematics Control Unit Module ATM ECE 4G 8720302
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Part no. 9250454
BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9250454
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Part no. 9114356
BMW E60 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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Part no. 9311296
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296
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Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9268752
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Part no. 9261703
Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI Sound Unit 9261703
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Part no. 6958901
BMW E81 E87 Aerial Antenna Amplifier Diversity DAB Control Unit 6958901
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Part no. 9134281-1
BMW X5 E70 Aerial Antenna Amplifier Diversity Module Unit 9193847 9134281
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Part no. A6401540502
Mercedes W169 W245 A B 160 180 200 CDI OM640 Alternator Generator A6401540502
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Part no. A2465403803
Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465403803
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Part no. A2229006014
Mercedes S205 C205 SAM Module Rear Body Comfort Control Unit ECU A2229006014
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Part no. 7553735-1
Mini R50 R52 DME Petrol Engine Control Unit ECU 7553735 Manual
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Part no. 6819309
Negative Battery IBS Cable BMW X5 F15 M F85 X6 F16 M F86 Terminal Wiring 6819309
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Part no. 7796125
Alternator BMW X5 E70 X6 E71 M57N2 Generator 170A 170AMP 14V VALEO 7796125
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Part no. A1729008500-1
Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
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Part no. 9384687
BMW F46 KaFAS Camera Front Windscreen Parking Camera Module Unit 9384687
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Part no. A6395450003
Mercedes Vito W639 Cover Fuse Box Battery Trim Panel Lid A6395450003
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Part no. rhd-A0061516501
Starter Motor Mercedes W204 W212 C63 E63 AMG M156 Engine Starter A0061516501
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Part no. 6983494
BMW 3 X1 Series E84 E90 E91 LCI Petrol Instrument Cluster Speedo Clocks 6983494
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Part no. A6519000700-2
Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519000700 Key Lock
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Part no. 9141682-2
BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9141682
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Part no. 9278745
BMW E60 E81 E87 E90 E91 E92 E93 CAS3 Control Unit Key Reading Module 9278745
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Part no. 9132250
BMW 5 Series E61 E61N LCI IBS Negative Battery Lead Cable 9132250 9215950
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Part no. A1729016600
Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A1729016600
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Part no. A2129005000-1
Navigation Screen Mercedes W212 1 Head Unit Sat Nav Center Display A2129005000
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Part no. 7588620-3
£BMW 3 5 Series E60 E90 325i 525i N53 ECU Kit DME CAS3 + Key 7588620 Automatic
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Part no. 4G8959795G
Audi A6 C7 Rear Door Control Module Unit ECU Left Right N/O/S 4G8959795G
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Part no. 9132250-1
BMW 5 Series E61 E61N LCI IBS Negative Battery Lead Cable 9132250 6970681
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Part no. A1715451601
Mercedes SLK R171 Fuse Box Relay Control Unit Electric Module SAM A1715451601
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Part no. 6935920
BMW Z4 Series E85 Driver's Side Door Airbag Control Unit Module 6935920
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Part no. A1649002901
Mercedes ML W164 Gateway Control Unit Gateway Module ECU A1645406745
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Part no. 8614302-1
BMW F20 F21 F30 116i 316i N13 Engine ECU KIT DME 8614302 + FEM + Key + Lock
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Part no. 7599881-5
BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key Manual
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Part no. 9292246
Display Screen BMW F20 F21 F22 Central Information Infotainment 8,8" 9387548
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Part no. 6888037
BMW 1 3 5 Series F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module
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Part no. 9230451-1
BMW X1 E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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Part no. 7811151
BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Unit DDE 7811151 Automatic
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Part no. 9180756
BMW 5 Series E61 LCI Light Control Module Unit Lear LM II E6X LWR 9180756
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Part no. 6948578
BMW E60 Light Control Unit Module LM E6X Lear 6948578
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Part no. 6940923
BMW X5 Series E53 GM III General Body Control Module Unit ECU Lear 6940923
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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. 6941416
BMW 5 6 Series E60 E61 E63 E64 6-disc Compact CD Changer 6941416
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Part no. 7800131
BMW X5 E53 3.0d M57N 218HP ECU Control Unit Module DDE 7800131 Automatic
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Part no. 7317512
BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512
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Part no. 7640005
Mini Cooper R55 R56 R57 Petrol N12 DME 7640005 Engine Control Unit ECU
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Part no. A6395450301-1
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. 6945029
BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6945029
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Part no. A4479000101
Door Module Mercedes Vito W447 Rear Right O/S Door Control Unit A4479000101
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Part no. 7561834-18
BMW E87 E90 118i 318i Engine N46 129HP ECU KIT DME 7561834 CAS2 + Key Automatic
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Part no. 9176079
BMW E60 E64 LCI Body Gateway Module ECU Control Unit KGM E6X High D-Can 9176079
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Part no. A0999000400
Steering Lock Mercedes W176 W246 Control Unit Module VST A0999000400
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Part no. 8658275
Mini Cooper One F54 F55 F56 F57 F60 Starter Motor Engine Petrol 8658275
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Part no. 7810980
BMW E60 LCI E90 335d 535d M57N2 286HP Engine Control Unit ECU 7810980 Automatic
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Part no. 8039827
BMW X5 E70 Front Bumper PDC Parking Sensor Wiring Loom Cable Harness 8039827
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Part no. 7314798
Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7314798
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Part no. 1K0959433BT
VW Golf 5 Body Control Comfort Unit Module BCM Convenience Unit ECU 1K0959433BT
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Part no. 8709211
BMW F20 F21 F22 F30 F31 F32 F36 Front Electronic Module Control Unit FEM 8709211
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Part no. 6955491
BMW 1 Series E87 ECU Footwell Light Module Control Unit PL2 FRMFA 6955491
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Part no. 6887754
Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6887754
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Part no. 9171347
BMW 5 X5 Series E61 E61 LCI E70 Telematics Bluetooth Control Unit Module 9171347
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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 .