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
-40%
Part no. 9228914
Radio CD Player BMW F10 F11 F13 Navigation ECE Sat Nav Head Unit 9228914
Promo price
€284.95
€170.97
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9270500
BMW X3 E83 PDC Parking Ultrasonic Sensor Angled Schwarz
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8719905
BMW X3 G01 X4 G02 Wireless Charger Centre Console Phone Module Unit 8719905
Promo price
€47.95
€40.76
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6934648
BMW X5 E70 E91 LCI Touring Tailgate Trap Circuit Aerial Amplifier 6934648
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6933529
BMW 5 Series E60 E61 Centre Console Switch Centre DSC 6933529
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9380334
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9380334
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9437208
BMW F45 F48 F49 Mini Countryman F60 Ground Earth Cable Adapter Mass 9437208
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9365305
BMW F20 F21 F22 F30 Telematics Comunication Control Module Unit ECU 9365305
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9224275
BMW F01 F02 F07 GT Control Unit Air Module ECU 9224275
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9170452
BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM II NSW 9170452
Promo price
€132.95
€113.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9116978
BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9116978
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6966551
BMW 5 Series E60 E61 Front Door Wiring Loom Harness Passengers Side 6966549
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9129439
BMW E61 E92 F32 LCPA Seat Belt Control Module ECU 9129439
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6866990
Airbag Module BMW F01 F02 LCI F10 F11 F13 Air Bag ECU ICM Control Unit 6866990
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7549393
Negative Cable BMW E81 X1 E84 E87 E90 E91 E92 E93 Ground Earth Battery 7549393
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6970701-1
BMW 3 Series E93 E93N LCI 1 Rear Bumper Antenna Aerial Telephone 6970701
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6932644-1
BMW 3 5 Series E60 E71 E90 E92 Suppression Filter Aerial Module Antenna 6932644
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 6933162
BMW E65 E66 On-board Navigation Display Monitor Screen 8,8" 6933162
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8741637
BMW X1 F40 F48 Mini F55 F56 F57 F60 Earth Cable Battery Cable 8741637
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9285504
Distributor BMW X5 F15 X6 F16 B + Battery Power Distributor 9285504
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9118263
BMW F01 F02 F03 F10 Antenna Amplifier Module Trap Circuit 9118263
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9162930-WB1
BMW E81 E82 E87 E90 E91 Parking Sensor PDC Ultrasonic Bluewater - 896 SET X2
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7558911
BMW 1 Series E81 E82 E87N E88 NOx Cable Wiring Petrol 7558911 12517558911
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8576341-10
BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine ECU Kit DDE 8576341 Manual
Promo price
€132.95
€79.77
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9399427-1
Radio Head Unit BMW F20 F21 F22 F30 F31 Basic Media Navigation Headunit 9399427
€113.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9187533
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6976156
BMW E60 E61 E63 Passenger Side Door Air Control Module 6976156
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9265300
BMW 1 2 Series F20 F21 F22 F23 LCi Headlight Switch Control Element Light
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8506657
BMW X3 F25 Starter Motor Diesel Engine 12V Bosch 8506657
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7075944-2
BMW E60 E65 E70 Front Right Seat O/S Height Adjustment Drive 7075944
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8368231
BMW E46 Door Speaker Tweeter Front Left N/S 8368231
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9184432-1
BMW 1 3 Series E81 E87 E90 E91 Control Unit Airbag ECU NO CRASH DATA 9184432
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8378113
BMW Z4 Series E85 E86 Interior Fuse Box 8378113
Promo price
€26.95
€25.60
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6957762
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6957762
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9290992
BMW F20 F21 F22 F30 F31 Radio Player CD Bluetooth Head Unit Control 9290992
€113.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9264568
BMW E92 LCI Body Control Module Unit PL2RR JBBFE IIIR L1 9264568
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7570254
Plus Cable BMW X1 E81 E87 E90 E91 N45 N46 Alternator Starter Wiring 7570254
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9244429
BMW X6 Series E71 Rear Bumper PDC Cables Wiring Loom Set 9244429
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9171948
BMW X5 X6 E70 E71 Air Module Control ECU Unit Module 9171948 0285010250
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9257366
BMW 5 7 Series F01 F10 LCI Aerial Antenna Amplifier Diversity 868 MHZ 9257366
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8370933
BMW 3 5 6 Series E60 E61 E63 E90 Support Bracket Navigation Computer 8370933
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8507912
BMW F30 F31 Engine Wiring Loom N47N Harness Automatic Gearbox 7549282
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6940236
BMW E90 E91 E92 LCI AUX USB Lead Cable Wire 6940236
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8379941
BMW X5 Series E53 Interior Roof Trim Cover Ultra Sonic Module Alarm 8379941
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7621063
BMW X3 F25 X4 F26 Earth Ground Cable Line Strap Battery Lead 7621063
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9226901
Body Control Module BMW F01 ECU Junction Box PL6 JBBFE III 3 Lear 9226901
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8512292-2
BMW E90 E91 LCI N47N 316d 116HP Engine ECU Kit DDE 8510832 + CAS3 + Key Manual
Promo price
€146.95
€88.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6887358
BMW F10 F11 EMF Module Parking Brake Unit Electric Control 6863800
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 5A234D0
Wiring Cable BMW F06 F12 F13 Electric Parking Hand Brake Handbrake Cable 5A234D0
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7580334
Earth Ground Cable BMW F10 F11 F13 F01 Battery Cable Engine Wiring 7580334
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8092206-6
Air Module Wiring BMW F20 F21 F22 F30 F31 Steering Wheel Harness Cable 8092206
€37.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6913896
BMW Z4 E85 E86 Aerial Antenna Amplifier Module Rod 6913896
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8571038
BMW 1 F20 F21 LCI Mini D F56 B37 Wiring Harness Engine Glow Plug Module 8571038
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7464634
BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9382418
BMW F45 X1 F48 G30 Telematics Module Bluetooth Telephone Control Unit 9382418
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9866982
BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 9866982
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7276383
Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7276383
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6819332
Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM 6819332
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9362848
BMW 1 3 Series F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6938064
BMW E65 E66 E67 Amplifier Rear Window Antenna Amplifier Module 868MHZ
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9118931
BMW E60 E61 LCI Airbag ECU Control Unit Module 9118931
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8570934
BMW F20 F21 116d ed Diesel N47N 116HP ECU Engine Control Unit DDE 8570934 Manual
Promo price
€284.95
€170.97
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7531783
BMW 1 3 5 6 Series E60 E63 E81 E87 E90 E91 Housing E-Box Fan Blower Motor
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6953424-3
BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7187221
BMW F01 F02 F03 LCI Rear Third Stoplamp Stop Lamp Brake Light 7187221
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 3454167-1
BMW X3 E83 Shark Roof Fin Antenna Aerial Module Unit 3454167 3436613
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6967184-1
BMW X5 E70 Positive Battery Cable Terminal Box Base B+ X6 E71 6967184
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8657232
Engine Wiring BMW F87 M2 N55 Petrol Loom Module Harness Cable 8657232
Promo price
€170.95
€145.31
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8586568
BMW F20 F22 F23 Gearbox Transmission Module Harness Wiring Loom Cable 8586568
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6820235
BMW F20 F30 Mini F55 F56 Control Unit Air Conditioning Module 6820235
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9208452
Wiring BMW F07 Front Bumper PDC Wiring Park Assist Sensor Harness 9208452
Promo price
€70.95
€42.57
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7557027
BMW X5 E70 X6 E71 E72 Battery Earth Cable Wiring Loom 7557027
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. E81 E87 Wiring Loom Set PDC rear
BMW 1 Series 1 E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6990089-1
BMW 6 X3 Series E63 E83 Radio Antenna Amplifier Suppression Filter
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9231280-TS
BMW F07 Parking Module PDC Distance Control Unit Sensor Titan Silver - 354
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9184810
BMW X6 E71 Wiring Set Wash Water Container Cable Loom 9184810
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9196938
BMW E93 Seat Control Module Unit ECU 9148266
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 7811111
BMW X3 E83 LCI 2.0d N47 177HP Engine Module ECU Kit DDE 7811111 Automatic
Promo price
€336.95
€202.17
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9217033
Battery Cable BMW F01 F02 Positive Wiring Plus Pole Red 9217033
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6949081
BMW 1 3 Series E81 E82 E88 E92 Front Seat Easy Entry Adapter Wire Cable 6949081
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8585727
Wiring BMW F21 F30 F34 F36 Diesel N47N Engine Gearbox Module Harness 8585727
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7182396
BMW X5 E70 E90 E91 LCI Control Unit Xenon Adaptive Headlight 7189311
€51.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 1742690-1
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6934095
BMW 7 Series E65 E66 Door Wiring Harness Rear Right Left N/O/S
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9362396
BMW F20 REM Rear Electronic Module Fuse Box Control Unit V3 9362396
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-2
BMW E92 E92N LCI PDC Wiring Loom Harness Rear Bumper
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9364818
BMW Z4 E89 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9364818
Promo price
€218.95
€186.11
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7586426
BMW E89 F10 F25 F26 Battery Clamp Bracket Holder 7586426
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6950374
Door Cable BMW E65 Loom Rear Right O/S Wiring Harness 6950349
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9890599
BMW F90 M5 G11 G30 Air Module Crash Control Unit 9890599
Promo price
€189.95
€113.97
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6964263
BMW 3 Series E93 E93N Cabrio Module Bracket Holder CTM 6964263
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6864206
Air Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit 6864206
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 5A243F5-1
Ultrasonic Sensor BMW F70 G60 U06 Rear Parking PDC Set Portimao Blue - C31
Promo price
€132.95
€113.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9181453
BMW 1 X4 X5 Series F20 F21 F25 F26 Antenna Aerial Diversity Trap Circuit 9181453
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6819653
BMW X5 F15 Fuse Box Front Body Control Module ECU BCM Unit 6819653
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9231466
BMW 2 3 4 Series F22 F30 F32 Antenna Amplifier Module Trap Circuit 9231466
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9326437
BMW F30 F31 Wiring Passenger Loom Front Door Cables Harness 9286241
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7823310
BMW 3 Series F30 F31 330d 330dX N57N Diesel Alternator Starter Cable B+ 7823310
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9319081
BMW F20 F21 F22 F30 F31 F32 Radio Remote Control Receiver 434 MHZ
Promo price
€23.95
€22.75
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 .