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. 3414122
BMW X3 E83 Sensor Air Module Front Impact Crash Sensor 3414122
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Part no. 8639582-1
BMW F30 335i F32 F33 435i N55 306HP Engine Control Unit ECU 8639582 Automatic
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Parking Sensor PDC BMW X5 E53 Front Cover Control Primed 8408383
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Part no. 7802261
BMW E60 E61 E81 E87 E90 Alternator Generator Valeo 180A N47 7802261
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Part no. 6943062
BMW E60 E63 E64 LCI Body module ECU 61356943062 6943062
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Part no. 9215952
BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS
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Part no. 6948351
BMW E60 M-Audio System Controller Navigation Head Unit 6948351
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Part no. 8512499-7
BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Manual
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Part no. 9210510-1
BMW E81 E82 E87 LCI E90 Radio Business CD Player Unit 9210510
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Part no. 7565300-3
BMW E87 E90 E91 118i 318i N46 ECU Kit DME 7565300 CAS3 + Key Manual
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BMW 3 5 Series E60 E90 E91 330i 530i N52 Engine ECU Kit DME CAS2 Key 7561684
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Part no. 9251727
BMW 1 Series F20 F21 Front Bumper PDC Loom Cables Wiring 9251727
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Part no. 9214925-1
BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925
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Part no. 9119578
Antenna Amplifier BMW Z4 E85 E86 Rod Antenna Unit Module 9119578
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Part no. P0445683
BMW 1 3 Series E81 E87 E90 E91 E92 Amplifier Sound Audio System Alpine 0445683
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Part no. 9252333
BMW F11 ECU Body Control Module Junction Box 9252333
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Part no. 9176880
BMW E90 Body Control Module BCM ECU Junction Box Footwell 6135 9176880
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Part no. 6952986
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6952986
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Part no. 9395176
FEM Module BMW F20 F22 F30 F32 ECU Control Unit Fuse Box 9395176
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Part no. 9290989-1
BMW F30 F31 F32 Radio Professional CD Bluetooth Player Head Unit 9290989
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Part no. 8708257-1
Head Unit BMW F20 F21 F22 F30 F31 LCI Sat Nav Radio Media Navigation 8708257
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Part no. 9239155
BMW F01 F10 CIC Professional Sat Nav Infotainment Radio Head Unit 9239155
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Part no. 6960096
BMW 7 Series E65 E66 Dashboard Control Display Screen 8,8" 6960096 6967626
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Part no. 9249086-2
BMW E89 Max Brose Footwell Light Module Control Unit ECU FRM3R 9249086
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Part no. 9114447
BCM Module BMW E60 E63 E64 Body Control Module 6135 9114447
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Part no. 8621840
BMW 1 3 Series F20 F21 F30 LCI Starter Motor Engine 8621840
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Part no. 3449688
BMW X3 E83 LCI Light Control Module Lear LM II LWR 3449688 61353449688
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Part no. 9285767
BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Left N/S 9285767
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Part no. 8379502-1
BMW 3 5 7 Series E36 E38 E39 Key Transmitter Receiver Module Unit 8362337
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Part no. 4154935-1
Radio Business BMW X3 E83 Z4 E85 E86 CD Player Head Unit 4154935
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Part no. 6923945-2
BMW E60 E60N E61 E63 LCI B Terminal Point Engine Compartment 6923945
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Part no. 9287218
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9287218
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Part no. 7796125-1
BMW X5 E70 X6 E71 Alternator Generator 170A 170AMP 14V VALEO BM57N2 7796125
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Part no. 8510829-1
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Keys Manual
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Part no. 6948729
BMW 5 Series E60 Wiring Switch Engine Hood Bonnet Cable 6948729 61126948729
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Part no. 9226325
BMW 1 E82 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
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Part no. 8578082
BMW F30 F32 F36 335dX 435dX N57Z 313HP Engine ECU Unit Kit DDE 8578082 Key FEM
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Part no. 9798427
BMW F87 LCI M2 Competition S55 411HP Engine Control Unit ECU DME 9798427
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Part no. 9233034-SBR
PDC Parking Sensor BMW X5 E70 F10 F11 F12 Ultrasonic Sensor Space Grey 9231283
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Part no. 7789980-2
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. 6973114
BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6973114
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Part no. 6802943
Battery Box BMW G30 G31 Positive Fuse Battery Distribution Terminal Rear 6802943
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Part no. 6945661-1
Navigation Monitor Screen BMW E60 E90 On-board Information Display 6,5" 6945661
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Part no. 6960222
Air Module BMW E65 E66 Sensor B-pillar Right O/S Control Unit Air 6960222
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Part no. 1025-04-01
BMW F20 F21 LCI F23 GPS Navigation Display Screen Android Auto CarPlay 10,25"
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Part no. 6912244
BMW Z4 E85 Rear Bumper Antenna Mounted Aerial Unit FM 6912244
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Part no. 6983067
BMW E66 E67 Airbag ECU Control Unit Gateway Module 6983067
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Part no. 7852338
Ventilation Valve BMW F90 M5 F91 M8 S63M Fuel Tank Pipe Cyl. 5-8 7852338
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Part no. 9249081
BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081
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Part no. 9362397
BMW 1 Series F20 Rear Module Fuse Box Power Distribution Control 9362397
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Part no. 9172018
BMW E60 E61 E63 E85 Air Module Control Unit Module ECU ACSM 9172018
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Part no. 9205278-1
CD Radio Player BMW X3 Z4 E83 E85 E86 Radio Business CD Audio Unit 9205278
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Part no. 6866330
VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6866330
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Part no. 7789981-1
Engine Alternator BMW E60 E61 E65 E66 Diesel Alternator Generator 170A 7789981
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Part no. 6987997
BMW 1 Series E87 Footwell Light Control Module Unit PL2 FRMFA Lear 6987997
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Part no. 9176958
BMW E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9176958
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Part no. 9273628
BMW F11 Touring Light Control Footwell Module Unit ECU FRM III 9273628
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Part no. 8518423
Engine Control Unit BMW F10 F30 320d 520d N47N 184HP ECU DDE 8518423 Manual
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Part no. 6978714
BMW E61 Body Control Module ECU Unit KBM High 6978714
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Part no. 9275510
Head Unit BMW F07 GT Car Infotainment Computer Sat Nav Multimedia DAB 9275510
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Part no. 7501593
BMW 3 5 X5 Series E39 E46 E53 3.0i M54 Generator Alternator 120A VALEO 7501593
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Part no. 3413318
BMW E83 Light Control Module Lear LM MAN.LWR 3413318 61313413318
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Part no. 9176078
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9176078
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Part no. 8635811
BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables Set 8635811
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Part no. 6956505
BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505
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Part no. 7559178-6
BMW E60 E90 E91 330i 530i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Part no. 6927929
Control Unit BMW E60 E61 E63 E64 CAS2 ECU Module 6927929
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Part no. 6926359
Front Seat Module BMW E87 E90 E91 E92 Control Unit ECU 6926359
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Part no. 6975015
BMW 1 3 X1 Z4 Series E81 E84 E87 E88 E89 E90 E91 E92 Radio Business CD 6975015
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Part no. 6938943
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 6938943
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Part no. 9241008-1
BMW E90 Max Brose Footwell Light Module Control Unit ECU FRM3R 9241008
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Part no. 7810980-3
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Keys
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Part no. 9367804
Amplifier BMW F20 F21 F22 F23 Top Hifi Audio Module Harman Kardon 9367804
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Part no. 8517016-1
BMW X5 E70 LCI 40dX N57S 306HP Engine ECU Kit DDE 7810980 CAS3 + Key Automatic
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Part no. 9147226
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147226
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Part no. 9115107-1
BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107
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Part no. 7807530-1
BMW E60 E87 E90 LCI 120d 320d 520d N47 Engine ECU Kit DDE 7807530 CAS 3 + 2 Keys
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Part no. 9162959
Seat Control Unit BMW X5 E70 E87 E90 E91 E92 Module Memory ECU 9162959
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Part no. 7933357
Headlight Module BMW F40 LED Headlamp Control Unit Lear FLM 2 LOW 7933357
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Part no. 2622605
Telematics Module BMW F20 F21 Bluetooth Teleservices GPS Control Unit 2622605
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Part no. 9130157
BMW X6 Series E71 Aerial Antenna Amplifier Diversity 868 MHZ 9130157
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Part no. 6970685
BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 6970685
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Part no. 6782283-1
BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022065
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Part no. 6964602
BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6964602
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Part no. 8586536-7
BMW F07 GT F10 F11 535d F13 640d LCI N57Z 313HP Engine ECU DDE 8586536 Automatic
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Part no. 9204526
BMW E92 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9204526
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Part no. 8506657
BMW X3 F25 Starter Motor Diesel Engine 12V Bosch 8506657
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Part no. 9116264
BMW E60 E61 E63 E64 PDC Parking Control Module Unit ECU 9116264
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Part no. 9308294
BMW F34 Underfloor Battery Positive Cable Wiring Harness Lead 9308294
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Part no. 6917134
BMW 7 Series E65 E66 Seat Occupancy Sensor Mat Electronic Control Unit 6917134
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Part no. 2447787
BMW G11 G30 G31 X4 F26 Telematics Module Bluetooth Control Unit ECU 2447787
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Part no. 9343210
Radio CD BMW E81 E87 E90 E91 E92 LCI Professional DAB 9243925
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Part no. 9240524
BMW E88 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240524
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Part no. 7796892-1
Starter Motor BMW E60 E83 E87 E90 Diesel Engine Starter Actuator NAPA NSM1060
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Part no. 6840519
Negative Lead Battery Cable BMW G11 G30 G31 X3 G01 IBS Wiring Harness 6840519
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Part no. 9134708
BMW E81 E87 E90 E92 Comfort Access Passive Go Control Unit Module 6987184
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Part no. 6980130
Module ULF BMW X3 X5 E53 E83 E87 Hands Free Bluetooth Charging 6980130
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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 .