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

-15%
Part no. 6777641
Air Module Wiring BMW X5 E70 E81 E87 E90 E91 E92 E93 Steering Wheel Loom
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 7316536
BMW G30 G11 G12 Sunroof Sliding Roof Drive Unit Motor Actuator
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9302256
BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 9302256
Promo price
€80.95
€68.81
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 6814183
Audio Control Panel BMW F20 F30 F31 F32 Operating Unit FBM 6814183
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
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: Jun 12 – 17
If paid before 14:00

-5%
Part no. 7802158
BMW E60N E81 E87N E90 E90N E91 E91N E92 E93 Wiring Harness Engine Glow Module
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9315682
Body Control Module BMW F20 F21 F30 F31 F32 Comfort Unit FEM ECU LR01 9315682
Promo price
€113.95
€96.86
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 6938762
Microphone BMW E60 E65 E81 E87 E90 E91 Hands Free Telephone 6938762
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9148264
Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9148264
Promo price
€37.95
€32.26
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 7316186
BMW F30 F31 Xenon Adaptive Headlight Control Unit Module Lear TMS 7316186
Promo price
€75.95
€64.56
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9239985
BMW F10 F11 Control Unit ECU Module Airbag Safety Unit 9239985
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

Part no. 9264943
BMW F20 F21 F30 LCI Sound Speaker Mid Range Stereo HiFi 9264943
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00

Part no. 6982402
BMW E81 E84 E87 E90 E91 Parking Module Control Unit PDC 6982402
€56.95
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9119446
BMW E81 X1 E84 E87 E90 E91 E92 Fuse Box Power Distribution Unit Front 9119446
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9347822
Head Unit BMW F10 F11 F20 F30 Navigation Sat Nav High Control Module 9347822
Promo price
€189.95
€161.46
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9226357
BMW F20 F21 F30 TOP HIFI Loudspeaker Tweeter Harman Kardon 9226357
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-40%
Part no. 9262753
BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753
Promo price
€56.95
€34.17
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9270392-1
BMW F20 F21 F22 Central Information Display Screen 6,5" 9270392
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 7631109
BMW F20 F21 F30 F32 F87 Battery Cable Negative IBS 7631109
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 7317408
BMW F10 F11 LCI F30 F31 Xenon Headlight Ballast Control Unit 7317408
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00

Part no. 9119444
BMW E81 E87 LCI E90 E91 E92 Front Fuse Box Power Distribution 9119444
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9160189
BMW 1 Series E87 LCI ECU Body Control Module H2 ECU 9160189
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 7342174
BMW X1 E84 Z4 E89 LED Xenon Headlight ECU Module 7342174 L90028076
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 7649087
BMW F20 LCI N20 F22 N26 Wiring Loom Harness Engine Module Ignition
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 6799712
BMW F10 F11 ICM Management Control Unit Module DSC Brakes 6799712
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9200822
BMW E60 E81 E90 E91 Hands-Free Bluetooth Module High MULF2 9200822
Promo price
€61.95
€52.66
Free delivery: Jun 12 – 17
If paid before 14:00

-40%
Part no. 9306085
BMW F30 F31 Seat Module Control Unit Memory Front Left Right N/O/S 9306085
Promo price
€51.95
€31.17
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9351155
Control Panel BMW X3 F25 X4 F26 Radio Player High Audio Unit Module 9208591
Promo price
€56.95
€48.41
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9185542
BMW X5 E70 CCC Radio CD Player Navigation 9185542
Promo price
€237.95
€202.26
Free delivery: Jun 12 – 17
If paid before 14:00

-40%
Part no. 6933968
BMW Z4 Series E85 Wiring Drivers Side Loom Front Door Cables Right O/S 6933968
Promo price
€43.95
€26.37
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 8572426
BMW F30 F32 LCI 335dX 435dX Engine Injector Ignition Wiring Cable Loom 8572426
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 6929916
BMW E63 E64 Rear Bumper PDC Cables Set Wiring Loom Harness 6929916
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9259425
BMW F30 F31 F80 M3 F82 M4 Positive Battery Cable Plus Pole 9259425
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 7634058
BMW F20 F30 Engine Automatic Gearbox Module Wiring Cable Loom Harness 7634058
Promo price
€42.95
€36.51
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9377149
BMW 1 3 Series F20 F21 F30 F31 Telematic Control Unit Module 9377149
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

Part no. 9149615
BMW E61 E65 E70 Telemetics Control Unit Bluetooth Control Unit Module 9149615
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 7622980
Wiring Harness BMW F20 F21 F30 Motor Sensor System Module 2 7622980
Promo price
€37.95
€32.26
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9177978
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9177978
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9259425-2
Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
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: Jun 12 – 17
If paid before 14:00

-5%
Part no. 6858017
BMW F10 F11 LCI Control Unit EMF Module 6858017
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9226882
BMW F20 F21 Rear Antenna Aerial Amplifier AM/FM DAB 9226882
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 7899655
Rear Speaker BMW E63 E64 Door Card Loudspeaker Left Right N/O/S Logic 7 7899655
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-40%
Part no. 9399427
Radio Head BMW F20 F21 F22 F30 F31 Unit Basic Media Navigation Headunit 9399427
Promo price
€80.95
€48.57
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 6858547
BMW X3 F25 ICM Control Unit Air Module SRS ECU 6858547
Promo price
€47.95
€40.76
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 6850374
BMW 1 3 Series E81 E87 E88 E90 E91 E92 Accelerator Speed Sensor 6850374 6778421
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-40%
Part no. 9165211
Display Screen BMW E65 E66 Dash Information Navigation Monitor 8,8" 9165211
Promo price
€80.95
€48.57
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 7176068-2
BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9221861
BMW E90 E91 E93 LCI Front Left Right N/O/S Seat Control Module ECU 9221861
Promo price
€66.95
€56.91
Free delivery: Jun 12 – 17
If paid before 14:00

Part no. 6954007
BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6978232
€113.95
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9176877
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9292248
BMW F30 F31 F32 F33 Central Information Screen Display 8,8" 9292248
Promo price
€237.95
€202.26
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 8616568
BMW F20 F21 F30 F31 Petrol N20 Electrical Fuse Box Cover Lid Panel 8616568
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 8635811-1
BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables 8635811
Promo price
€89.95
€76.46
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 7199819
Roof Module BMW Z4 E85 Roadster Cabrio Convertible Folding Top 7199819
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00

Part no. 5A50601
BMW E65 E66 GPS DVD CD Computer Reader Head Unit 5A50601
€132.95
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 7627021
BMW 1 3 Series F20 F21 F30 Petrol N13 Harness Engine Sensors Module 1 7627021
Promo price
€37.95
€32.26
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 8506281-2
BMW E87 LCI E90 116d 316d N47 Engine ECU KIT DDE 8506281 + CAS3 + Key Manual
Promo price
€89.95
€76.46
Free delivery: Jun 12 – 17
If paid before 14:00

Part no. 9134734
BMW E93 Convertible Rollover Control Controller Module Unit 9134734
€218.95
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9371789
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9371789
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9201128
Rollover Controller BMW E88 E93 Mini R57 Convertible Control Unit Module 9201128
Promo price
€42.95
€36.51
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 6972064
BMW 1 3 X1 SERIES E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6972064
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9124112
BMW E81 E82 E87 E90 E91 E92 Mini Cooper R55 R56 R60 Rain Light Sensor 9124112
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9261580
BMW F20 F21 F30 F31 PDC Parking Sensor Ultrasonic Glacier Silver A83
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9282420
BMW 1 3 5 Series F10 F20 F30 Reversing Camera Rear View Control Unit 9282420
Promo price
€94.95
€80.71
Free delivery: Jun 12 – 17
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: Jun 12 – 17
If paid before 14:00

-5%
Part no. 6838609
Antenna Amplifier BMW F40 Aeral Diversity Control Unit FM DAB Live Dash 6838609
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

Part no. 7229173
Fuel Pump Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump Module ECU 7229173
€28.95
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9148265
BMW E70 E87 E90 E91 E92 Seat Control Unit Module ECU 9148265
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 6951629
BMW Z4 X3 E83 E85 Mini R50 DVD GPS Navigation System Computer 6951629
Promo price
€151.95
€129.16
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 6936801
BMW Z4 E85 Roadster Cabrio Convertible Folding Top Roof Module
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
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: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9160557
BMW Z4 E60 E61 E63 E85 Air Module Control Unit Module ECU 9160557
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 6950181
BMW E93 Aerial Antenna Amplifier Diversity Control Module 6950181 9187798
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-40%
Part no. 9343317
Audio Amplifier BMW F20 F21 F22 Harman/Kardon Active Sound Design System 9343317
Promo price
€56.95
€34.17
Free delivery: Jun 12 – 17
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: Jun 12 – 17
If paid before 14:00

-5%
Part no. 7547141
BMW E82 E84 E87N E88 E90 E91 E92 E93 E93 E-box fan 7547141
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9313656-1
BMW 3 Series F30 F80 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9260012
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00

Part no. 9306405
BMW F20 F21 F30 F31 F32 F36 Negative Minus Battery Cable Lead Pole IBS 9306405
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 7823344
BMW F20 F21 F30 F31 F32 F33 Alternator Generator 150A N47N Diesel 8519890
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00

-40%
Part no. 9134668
Seat Control Unit BMW E90 E91 E92 Seat Module Unit Controller ECU 9134668
Promo price
€56.95
€34.17
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9250454
BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9250454
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9338800
iDrive Control Unit BMW F10 F20 F30 Touch Controller Module ECU 9338800
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 6938504-1
Positive Battery Lead BMW E90 E91 E92 E93 Battery Wiring Harness Cable 6938504
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 6943585
BMW E65 E66 E67 Control Electronics Seat Occupancy 6943585
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 6928366
PDC Wiring BMW E60 E61 Rear Bumper Loom Cables Set 6928366
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9138969
BMW E60 LCI E61 LCI Electronic Driver Circuit Centre Console 9138969
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9347470
BMW 1 3 Series F20 F21 F30 Control Unit Controller Touch 9347470
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 6886187
Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6886187
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 9329700
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9329700
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 6970337
BMW E92 Seat Backrest Adjustment Adapter Lead Cable 6970337
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9145158
BMW E60 E61 E63 E65 PDC Parking Control Module Unit ECU 9145158
Promo price
€66.95
€56.91
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 8516246
BMW F10 LCI F20 F22 F30 F32 B37 Wiring Harness Engine Glow Plug Module 8516246
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 7796892
BMW E60 E61 X3 E83 X5 E70 X6 E71 Starter Motor Diesel 7796892
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 6819332
Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM 6819332
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9280622
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9280622
Promo price
€108.95
€92.61
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 9354290-1
BMW X1 F48 Pedestrian Protection Impact Crash Sensor Module PTS 9354290
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00

-5%
Part no. 8570442
Engine Wiring BMW F25 F26 2.0dX B47 Loom Module Harness Cable Automatic 8570442
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00

-15%
Part no. 7428425-3
Headlight Module BMW F20 F21 LCI Front Lamp Hedlamp LED Control Unit 7428425
Promo price
€51.95
€44.16
Free delivery: Jun 12 – 17
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 .