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.
Make
Category
Subcategory
Condition
In Stock
Price

Part no. 9232063
BMW F30 Control Module Sensor 9232063
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6926358
BMW E87 E90 E91 E92 Front Seat Module Control Unit ECU 6926358
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9165624
BMW E93 Air Module Control Unit Module ECU 9165624
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6974890-MYS
BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Mysticblau Blue - A07
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8682893
BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8644504
Promo price
€80.95
€48.57
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 7822015
BMW G20 G21 G26 330d 430d B57P Diesel Starter Cable Wiring B+ 7822015
Promo price
€80.95
€68.81
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6986081-2
CD Changer BMW E60 E61 E63 E64 Compact CD Changing Unit 6986081
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 7579155-1
Starter Motor BMW X5 E70 LCI X6 E71 Z4 E89 N20 N55 Petrol Engine 7579155
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8385498-1
BMW 7 Series E65 E66 E67 Support Bracket Navigation Computer 8385498
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8594489
BMW X1 F48 Mini F55 F56 F57 Battery Cable Starter-Base B+ 8594489
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9240524-1
BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240524
Promo price
€94.95
€56.97
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9324779
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR-01 9324779
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6850375-1
Speed Cluster Sensor BMW E87 LCI 130i E90 M3 E92 Yaw Rotary Rate Sensor 6850375
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9159310
BMW F10 Central Sensor LOW 9159310
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 7634063
Gearbox Wiring BMW F10 F11 520i 528i N20 Automatic Engine Loom Harness 7634063
Promo price
€75.95
€64.56
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8582279-8
BMW F30 F32 F34 GT 320d 420d N47N 184HP Engine Module Unit ECU DDE 8582279
Promo price
€51.95
€44.16
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8592700
Glow Plug Wiring BMW F48 Mini F57 Wiring Harness Engine Module 8592700
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7520912
BMW E60 E61 E63 E64 LCI Cover Electronic Box 7520912
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7115655-LMB
BMW X3 E60 E61 E83 Front PDC Parking Distance Sensor Le Mans Blau - 381
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6945147
BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 6945147
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9261606
BMW 1 2 F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Mineralweiss White A96
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 8630125-4
BMW F20 F21 F30 116i 316i N13 136HP Engine Control ECU Kit DME 8630125 Automatic
€503.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6850846
BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9234087
BMW E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor Control Unit 9234087
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9259467
Fuse Box BMW X3 F25 Power Distribution Control Unit Module Front 9259467
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9329702
BMW F20 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9329702
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8593105
BMW G30 G11 G14 Diesel B57 Wiring Glow Plugs Module Wiring Harness 8593105
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9210105
BMW 5 Series F07 GT Gran Turismo Door Wiring Loom Cable Harness 9210105
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6928975
Door Wiring Loom BMW E63 E64 Harness Passengers Side 6928975
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6958525
BMW X5 X6 E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Left N/S 6958525
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8379094
BMW X5 Series E53 Rear Right Door Stereo Audio Loudspeaker O/S 8379094
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 7633242
BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6928944
BMW X3 Series E83 Battery Positive Cable Fuse Box 61136928944 6928944
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9240236
BMW F01 LCI F10 F12 High Voltage Battery Charging Unit Module BCU 150 9240236
€94.95
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8647878
BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8647878
Promo price
€175.95
€105.57
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 7490465
BMW F10 F20 F30 F31 Mini F55 F56 Seat Heating Module Control Unit ECU 7490465
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9251984
BMW F10 F11 F20 F21 F30 Control Unit Module Voltage Transformer VSU180 9233143
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6850424
BMW X3 F25 ICM Air Module Control Unit SRS ECU 6850424
Promo price
€61.95
€52.66
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9150891
BMW 1 Series E81 E82 E87N LCI E88 Wiring Cable Air Flap PDC Front 9150891
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8385159
BMW 3 X3 Series E46 E83 Battery Cable Holder Mounting B Base 8385159
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 6916054
BMW E46 Control Unit Module Mirror Memory 6916054 61356916054
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6850783
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6850783
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 37820-P73-013
Honda Integra Type R JDM DC2 Engine Control Unit Module ECU 37820-P73-013
Promo price
€379.95
€227.97
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 0445684-3
HiFi Audio Retrofit BMW E81 E87 E90 E91 E92 Connector Cable Wire
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7855481
BMW F90 M5 F92 M8 Oil Level Sensor Wiring Harness Loom Cable 7855481
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6818814
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6818814
Promo price
€155.95
€132.56
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 7624619
BMW F10 Cable Generator Alternator Starter Base B+ 7624619
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8573257-7
BMW F30 F31 320d ed Diesel N47N 163HP ECU Kit DDE 8573257 + Key + FEM Automatic
Promo price
€123.95
€105.36
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 6992955
BMW F25 Footwell Light Control Module ECU Unit FRM3 TEMIC 6992955
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6954007
BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6978232
Promo price
€113.95
€96.86
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8585933
Wiring Loom Harness BMW F20 F30 F36 LCI B47 Engine Gearbox Module 8585933
Promo price
€123.95
€74.37
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6957347
BMW 6 Series E63 E64 F06 F12 F13 Aerial Antenna Amplifier Module Left N/S
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9315685
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9315685
Promo price
€47.95
€40.76
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9346273
BMW F15 Kafas Camera Lane Assist Module Control Unit ECU 9346273
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6821206
BMW F45 F46 F48 Battery Cable IBS Negative Battery Lead 6821206
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9128569-1
BMW 1 Series E81 E82 E87 LCI E88 Wiring Harness Air Valve Air Flap 9128564
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. X3E83REARWIRINGLOOMPDC
BMW X3 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9197316
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9266383
Display Screen BMW F12 F13 Central Information Monitor 10" Multimedia 9266383
Promo price
€142.95
€85.77
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8510221-3
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
€151.95
€129.16
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9374506
Body Control Unit BMW F20 F21 F30 F31 F32 Module REM 9374506
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 7176068
BMW X3 E46 E63 E83 Mini R50 R53 Control Unit Xenon Light 1307329074
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9237655-2
BMW E60 E61 E81 E87 E90 F10 Audio Aux In Socket Plug 9237655
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8571357
BMW G11 G12 G20 G21 G30 G31 F33 F36 Generator Alternator 180A Bosch 8571357
Promo price
€94.95
€80.71
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9315897
BMW 3 4 Series F30 F31 F32 Rear Bumper PDC Cables Wiring Loom Set 9315897
Promo price
€75.95
€45.57
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9225182
Rear Bumper Antenna BMW E93 E93N LCI Aerial Telephone 6970701
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 5A57FC8
BMW F20 F21 F22 F30 X3 F25 M Sport Radio Remote Key Fob Control 868 Mhz 5A57FC8
€56.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9244426
BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 9219647
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8368167
BMW E38 Inclination Indicator Alarm Tilt Sensor Control Module 8368167
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9226333
BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9226333
Promo price
€80.95
€48.57
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9114135
BMW X5 X6 Series E70 E71 Power Distribution Fuse Box 9114135
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8494948
BMW F40 F44 F48 Mini F54 Rear Tailgate Smart Opener Top Wire Sensor 8494948
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 6977066
BMW X5 E70 Door Cable Harness Wiring 6977066 6937277
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9383694
BMW F10 Footwell Light Module Control Unit ECU TEMIC 9383694
€66.95
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9308292
BMW 3 Series F30 F31 Battery Cable Wire Lead Positive Underfloor 9259326
Promo price
€70.95
€42.57
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9325917
Door Cable BMW F36 Rear Left Right N/O/S Wiring Harness 9325917
Promo price
€27.95
€26.55
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 1439740
BMW X5 E53 Cable Starter-Base B Electrical Cable Wiring 3.0i M54 Petrol 1439740
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9226888
BMW 1 Series F20 F21 Antenna Aerial Noise Suppression Filter 9226888
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9252550
BMW F10 F12 F20 F21 F22 F30 F31 Front Seat Control Module ECU 9252550
€94.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8518568-4
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Unit ECU DDE 8518568 Automatic
Promo price
€89.95
€76.46
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6945387
BMW X3 X5 Series E53 E83 E87 Hands-free Electronics Charging Module MULF 6945387
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8494949
Rear Tailgate Sensor BMW F40 F44 F48 Mini F54 LCI Smart Opener Bottom 8494949
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9274023
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9274023
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 8574351-4
BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 CAS3 Key Automatic
€113.95
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8672514-1
BMW F80 M3 F82 F83 M4 431HP Engine Control ECU Kit DME 8672514 + FEM Module Key
Promo price
€1,139.95
€683.97
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 6826985
BMW F22 F23 F30 F34 LCI Control Unit Air Module ECU 6826985
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9145172
BMW E90 E91 E92 E93 LCI Battery Bracket Lower Section Box 9145172
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8607569
BMW X5 F15 40eX N20 Hybrid Starter Motor Automatic Transmission 8607569
Promo price
€170.95
€102.57
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9298959
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9298959
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6854856
BMW F10 F11 F12 EMF Module Parking Brake Unit Electric Control 6854856
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8606306
BMW F10 F11 F30 184 HP Petrol N20 Engine Control Unit ECU DME 8606306 Manual
Promo price
€398.95
€239.37
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9315080
BMW X3 F25 Window Lifter Switch Driver's Side Wiring Harness Loom Cable 9315080
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6904165
BMW X5 E53 Front Dashboard Centre Console Lighter Wiring Loom Harness 6904165
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 7243564
BMW F20 F30 Front Sport Seat Backrest Heating Mat Element 7243564
Promo price
€51.95
€44.16
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9253477
BMW E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE IIIR 9253477
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 6946393
BMW E60 Hands Free Electronics Charging MULF 6946393 84216946393
€56.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8571350
BMW 1 5 Series F10 F11 F20 F21 LCI B47 Starter Acoustic Vibration Plug 8571350
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8510829-3
BMW E90 E91 LCI 320d N47N Engine Basic DDE 8510829 Control Unit Manual
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 6986077
BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6986077
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
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 .