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. 7127282
BMW X5 Series E70 Rear Trunk Battery Cover Tray Storage Box 7127282 51477127282
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 7419610
BMW F30 F31 LCI Headlight LED Module Insert Light Source Set 7419610
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7290727
Battery Cover BMW X1 F48 X2 F39 Mini Countryman F60 Upper Panel 7290727
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7795638
BMW 3 E90 E91 E92 E93 Cable starter-base B Diesel 7795638
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7550975
BMW 1 3 Series E81 E82 E87N E88 E90 E91 E92 N43 Starter Motor
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8639582-2
BMW F20 M135i F22 M235i F30 335i N55 Engine Unit ECU DME 8639582 Manual
Promo price
€379.95
€227.97
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 8573258-7
BMW F20 F21 F30 116d 316d N47N 116HP Engine ECU Kit DDE 8573258 Manual Key FEM
€113.95
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 6989080-OLI
BMW E65 E66 E67 PDC Rear Parking Sensor Ultrasonic Olivin Metallic
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 7410612
BMW F34 GT Tailgate Lift Module Rear Boot Trunk Lid Control Unit ECU F005V01708
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9230944
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9230944
Promo price
€79.95
€47.97
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 7843338
Engine Wiring BMW F10 M5 F13 M6 Valvetronic Servomotor Cable Loom 7843338
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8387546
BMW 3 Z4 Series E46 E85 E86 Battery Positive Cable Fuse Box B Base 8387546
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 8798189-1
Basic Head Unit BMW F45 X1 F48 Mini F55 F56 Sat Navigation Radio Stereo 8798189
Promo price
€218.95
€186.11
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9190107
BMW Z4 E89 Battery B+ Engine Compartment Terminal Point 9190107
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9286156
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9286156
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 8510281
Engine Wiring BMW F30 F31 F32 F36 330d 430d N57N Loom Harness Cable 8510281
Promo price
€132.95
€113.01
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8781328
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 8781328
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8380409
BMW X5 E53 Fuse Distribution Box Relay Board 6907395 8380409 6909721
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6952477
BMW 5 Series E60 E61 Centre Console Switch Centre DTC PDC 6952477
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9205930
BMW E92 Telematics Bluetooth Control Unit Module 9205930
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9178791
BMW F01 F02 F10 F11 Cable Wiring Set ARS Valve Block 9178791
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8513249
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513249 Automatic
Promo price
€85.95
€51.57
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 5A18364
BMW F40 Heater Air Conditioning System Control Unit Module ECU 5A18364
€42.95
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9286465
BMW F20 X3 F25 Head Unit Navigation GPS Sat Nav Infotainment DAB High 9286465
€99.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8510592
BMW E81 E87 E90 LCI 118d 318d N47 143HP ECU Control Unit DDE 8510592 Manual
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9264973-1
BMW X5 E70 Seat Control Unit Module ECU 9264973
Promo price
€47.95
€40.76
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 7605478
BMW 1 3 Z4 Series F20 F30 E89 Petrol Alternator 170A 7605478
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8636596
BMW 1 3 Series F20 F21 F30 F31 Line Cable Power Distribution Module 8636596
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9319918
Adapter Lead Wire BMW F45 F46 X1 F48 Cable Active Air Flap Control 9319918
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8665279
BMW F20 M135i N55 326HP Engine Control Unit ECU DME 8665279 Manual
Promo price
€379.95
€227.97
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9314234
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9314234
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9190110
BMW Z4 E89 Battery B+ Engine Compartment Terminal Point 9190110
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 6858547
BMW X3 F25 ICM Control Unit Air Module SRS ECU 6858547
€47.95
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9216459
BMW 1 3 5 E60 E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9216459
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9119494
BMW E87 ECU Junction Box Body Control Module L2 61359119494 9119494
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9389069
BMW F20 F21 F30 F31 F32 X5 F15 X6 F16 Power Distribution Fuse Box Front 9389069
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9172019
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module 9172019
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6812218
BMW X1 F48 Rear Left Right N/O/S Door Wiring Harness Loom 6812218
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 6789514
BMW X6 E71 ICM Integrated Chassis Management Control Unit Brakes 6789514
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 6930006
BMW X5 3 Series E70 E90 Clamping Ring B+ Transition Battery Cable 6930006
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9294209
BMW X3 F25 Radio CD Player Head Unit Navigation Sat Nav CIC Alpine 9294209
€142.95
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9253636
Air Module BMW F10 F11 F13 X3 F25 ECU Control Unit Controller 9253636
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9289583-1
BMW X1 E84 Display Screen Dashboard Navigation Monitor On-Board CID 6,5" 9289583
€85.95
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8092797
Engine Wiring BMW F87 M2 F82 F83 M4 S55 Loom Module Harness Cable 8092797
Promo price
€132.95
€79.77
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 7608804
BMW 1 3 Series F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7608804
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 8519668-4
BMW E90 E91 LCI 320d N47N 184HP Engine Control ECU Kit DDE 8519668 Automatic
€203.95
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9241974
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9241974
Promo price
€80.95
€48.57
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9325884
BMW F36 Door Cable Front Driver's Door Wiring Loom Harness 9325884
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9228495
BMW F07 GT ECU Body Control Module Junction Box V12 PL2 JBBFE III 9228495
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9200944
BMW 3 X1 E84 E91 Ultra Sonic Burglar Alarm System Sensor Module 9200944
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9382516
PDC Module BMW F15 F16 F25 Mini F55 F56 Parking Assistant Control Unit 9382516
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7810860
BMW E90 E91 E92 LCI N47N Engine Alternator Starter Cable B 7810860
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 3403208
BMW X3 Series E83 Ultrasonic Alarm System Module Control Unit 3403208
Promo price
€33.95
€28.86
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8379938
BMW 3 Series E46 Ultra Sonic-Module 8379938
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8380944-1
BMW E46 E65 E66 E67 Aerial Antenna Amplifier Radio Signal Trap Circuit 8380944
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9188877
BMW F01 F02 F03 F10 F11 Steering Column Adjuster Switch 9188877
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9294309
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9294309
Promo price
€189.95
€113.97
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 8678976
Engine Wiring Mini F56 BMW F40 Petrol B38C Valvetronic Servo Motor Harness
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8676222
BMW 3 F30 LCI Hybrid 330e Battery Starter Connecting Lead Cable Wiring 8676222
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7841705
BMW E60 M5 E63 E64 M6 V10 S85 Hall Sensor 7836160
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 130002613-1
BMW 5 X5 7 Series E60 E61 E65 E70 Longitudinal Seat Adjusment Drive Motor
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8601245
Earth Ground Cable BMW i3 I01 Hybrid Rex Electric Engine Wiring 8601245
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

Part no. 9491591-2
BMW F22 F87 F23 LCI Rear Tail Light Lamp Left N/S LED Wiring Loom 9491591
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6920478
BMW 7 Series E65 E66 E67 Sensor Front Right Door Airbag 65776920478 6920478
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 7799470-1
Wiring Bracket BMW E60 E61 X3 E83 Diesel Engine Harness Cable Loom Mount 7799470
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8510591-7
BMW X1 E84 2.0d N47 177HP sDrive Engine Control Unit ECU DDE 8510591 Manual
Promo price
€189.95
€113.97
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6929347
BMW 1 3 Series E82 E90 E92 Roof Antenna Aerial Shark Fin 6929347 6950704
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9347914
BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9347914
Promo price
€132.95
€79.77
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 8642682
BMW 3 Series F30 LCI 330e Negative Earth Cable High Voltage Battery 8642682
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9195223
BMW 7 Series E65 E66 DVD Navigation System Computer Unit EXCH 9122860
Promo price
€194.95
€116.97
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9263800
BMW E90 LCI ECU Footwell Light Module FRM3R Rear Led Basis 9263800
€113.95
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8598806-2
BMW X3 F25 20dX Diesel B47 190HP Engine Module ECU Kit DDE 8598806 Key CAS4
Promo price
€427.95
€256.77
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 7588620-7
BMW E60 E90 325i 525i N53 218HP Engine Control Unit ECU DME Kit 7588620 Manual
€450.95
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9499005
BMW F32 REM Module Body Control Module BCM Fuse Relay Unit V5 9499005
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 7809680
Engine Wiring BMW F10 F11 N57 N57S Loom Cable Harness Injector Module 7809680
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9199305
KaFAS Camera BMW F10 F11 Rear View Control Unit Module 9199305
Promo price
€89.95
€53.97
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7560377
Cable Alternator BMW E81 E82 E87 E88 E90 E91 LCI Starter B+ 7560377
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6949922
BMW 3 5 E46 E61 Touring Amplifier Soft Antenna Suppression Filter 6949922
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7296108
BMW 4 Series F32 F82 M4 Rear Third Stoplamp Stop Lamp Brake Light White 7296108
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8511409
BMW F10 F11 N57N Control Unit Module Box Cover Bracket Carrier Mount 8511409
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9186655
BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 9186655
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9247467
BMW E82 ECU Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9225619
BMW F10 Electronic Front Seat Memory Module Control Unit ECU 9225619
Promo price
€70.95
€42.57
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9324781
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324781
Promo price
€94.95
€56.97
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9340522
BMW 5 F10 LCI Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9340522
Promo price
€66.95
€40.17
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9835622
BMW X4 F98 G02 Active Sound Design Module Control Unit Harman Kardon 9835622
Promo price
€51.95
€31.17
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 7545165
BMW E87 E90 116i 316i Petrol N45 Wire Wiring Harness Engine Gearbox Mod Loom
€23.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8088723
Engine Wiring BMW X3M F97 X4M F98 Petrol S58 Module Sensors 1 Harness 8088723
Promo price
€203.95
€122.37
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8379941-1
BMW X5 Series E53 Interior Roof Alarm Sensor Ultra Sonic Module 8379941
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9252813
BMW 5 7 Series F01 F02 F10 F11 Power Distribution Fuse Box Rear 9252813
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8375964
BMW 5 7 X5 Series E38 E39 E53 Xenon Headlight Aim Control Unit Module 8375964
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6927706
BMW 5 6 Series E60 E63 E64 Tubing Duct Battery Cable Lead Positive Underfloor
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6938079
BMW E81 E87 E90 E91 PDC Speaker Trigger Contact 6969139 6938079
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6751504
Module Holder BMW X5 E53 Rear Tyre Pressure Control Module Mount Bracket 6751504
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9138440
BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440
Promo price
€450.95
€383.31
Free delivery: Feb 3 – 6
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 .