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

-5%
Part no. 9264917
BMW Z4 E89 Roadster Air Module Control Unit ECU 9264917
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 7624619
BMW F10 Cable Generator Alternator Starter Base B+ 7624619
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9154413
BMW E93 Convertible GPS Aerial Antenna Unit Module 9154413
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

Part no. 6777641-2
BMW X5 E70 E81 E87 E90 E91 E92 E93 Air Module Wiring Steering Wheel Loom 6777641
PLN 94.95
Free delivery: Mar 03
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
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6934096
BMW 7 Series E65 Cable Harness Door Rear Right Left N/O/S Wiring Loom 6923713
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

Part no. 9270020
BMW F06 F12 F13 Front Wiring Loom PDC Harness Parking Sensor 9270020
PLN 332.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9270392-1
BMW F20 F21 F22 Central Information Display Screen 6,5" 9270392
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 9367376
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9367376
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 6911908
On Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen Display 8,8" 6911908
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00

Part no. 9487220
BMW X1 F48 20iX xDrive B48C 192HP Engine Control ECU DME Kit 9487220 Automatic
PLN 1,899.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9263800
BMW E90 LCI ECU Footwell Light Module FRM3R Rear Led Basis 9263800
Promo price
PLN 379.95
PLN 322.96
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6958446
BMW E65 E66 E67 Control Unit Door Front Passenger Side Module ECU 6958446
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 3417586
Electronic Box BMW X3 E83 LCI 2.5si 3.0si N52N Control Unit Mount Holder 3417586
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

Part no. 9240647
BMW F02 Television Tuner TV Receiver Control Unit Module 9240647
PLN 474.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9365819
BMW X5 F15 Wiring Rear Right O/S Door Harness Loom 9365819
Promo price
PLN 75.95
PLN 64.56
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9292945
BMW F20 F21 F22 F30 F31 F32 F36 FEM Module Control Unit 9292945
Promo price
PLN 522.95
PLN 313.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 5A0FAD6
BMW i4 G26 Hybrid Electric Earth Ground Cable Negative Battery Lead 5A0FAD6
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9367837
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Control Unit ECU 9367837
Promo price
PLN 474.95
PLN 403.71
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9241825
Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9241825
Promo price
PLN 61.95
PLN 37.17
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6925715
BMW 1 3 Series E81 E82 E87 E90 E91 E92 Positive Battery Terminal Cover 6925715
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 9236518
BMW PDC E81 E87N LCI Wiring Front Bumper Parking Senors Harnes Loom 9236518
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6864208
BMW F20 F21 F22 F30 F31 Air Module ECU ICM Control Unit 6864208
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8577834
BMW F30 X3 F25 N57N 330d 30dX 258HP Engine Control Unit ECU 8577834 Automatic
Promo price
PLN 617.95
PLN 370.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9288770
BMW F20 F21 F22 Mid Range Sound Speaker Stereo HiFi 9288770
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 7928648
BMW G30 LCI Radio Remote Control Receiver Module ECU Unit 434 Mhz 7928648
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9232896
Dashboard Monitor BMW X5 X6 E70 E71 Onboard Display Screen 8,8" 9232896
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6924389
BMW Z4 Series E85 E86 Battery Positive Cable Fuse Box B Base 6924389
Promo price
PLN 93.95
PLN 89.25
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 6840399
Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation Business GPS 6840399
Promo price
PLN 854.95
PLN 512.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9264975
BMW X5 E70 X6 E71 Front Seat Control Unit Module Memory ECU 9264975
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 7622980
Wiring Harness BMW F20 F21 F30 Motor Sensor System Module 2 7622980
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9322532
Gateway Module BMW F01 F10 F11 F12 Central Body Control 9244262
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6929701
BMW 7 Series E65 E66 Alarm System Ultra Sonic Module 65756929701 6929701
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 9241974
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9241974
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

Part no. 6938226-1
BMW E90 E90N E91 E91N LCI M3 Wiring loom rear door left right 6938225
PLN 42.95
Delivery: Mar 03
If paid before 14:00

Part no. 9190110
BMW Z4 E89 Battery B+ Engine Compartment Terminal Point 9190110
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9257009
BMW F01 F10 CIC Professional Unit Sat Nav Infotainment DAB Radio Player 9257009
Promo price
PLN 949.95
PLN 807.46
Free delivery: Mar 3 – 4
If paid before 14:00

-15%
Part no. 9117801
Battery Bracket BMW X3 G01 X4 G02 Rear Holder Mount Carrier Support 9117801
Promo price
PLN 75.95
PLN 64.56
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 5A70A69
BMW F40 Parking Module Comfort Control Unit ECU 5A70A69
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00

Part no. 6863392
BMW F20 LCI X3 F25 X4 F26 F30 F31 F36 Air Module Control Module Unit 6863392
PLN 1,424.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9286249
BMW 3 Series F30 F31 Rear Door Wiring Loom Cable Harness 9286249
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 8586568
BMW F20 F22 F23 Gearbox Transmission Module Harness Wiring Loom Cable 8586568
Promo price
PLN 237.95
PLN 202.26
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9361116
BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9361116
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

Part no. 8626172-8
BMW F10 LCI 520i N20 184HP Engine Control ECU Kit DDE 8626172 Automatic
PLN 1,329.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6825835
BMW 2 Series F45 F46 Cable Wiring Jump Starter Base B+ Engine Battery 6809391
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9425925
BMW F30 LCI G20 G30 Hybrid Fuel Tank Control Unit Module Unit 7452591
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9237055
Antenna Diversity BMW F07 GT Control Unit Module Aeral Amplifier 868 MHZ 9237055
Promo price
PLN 170.95
PLN 162.40
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9353421
BMW F11 LCI Body Control Module Unit V7 PL6 JBBFE III 9353421
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6989713-1
BMW E88 E89 E93 Convertible Cabrio DWA-Alarm System Module Set Of 2 6989713
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7075943-5
BMW 5 7 X5 Series 5 E60 E61 E65 E70 Front Left Seat Height Adjustment Drive N/S
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 8585727
Wiring BMW F21 F30 F34 F36 Diesel N47N Engine Gearbox Module Harness 8585727
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

Part no. 9353217
BMW X6 F16 Antenna Amplifier Aerial Diversity Booster Control Unit 9353217
PLN 170.95
Free delivery: Mar 03
If paid before 14:00

Part no. 9364819
BMW 3 E93 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9364819
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6858698
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6858698
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 1543906
BMW G30 G31 X3 G01 X4 G02 G11 G32 Control Unit SAS Module ECU 1543906
PLN 1,139.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6920469
BMW E65 E66 E67 Sensor A-pillar Right Airbag 65776920469 6920469
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

Part no. 9197161
BMW 1 Series E82 ECU Footwell Light Module Control Unit PL2 FRMFA 9197161
PLN 474.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7552638
BMW Z4 Series E85 N52 Roadster Earth Cable Battery 7552638
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 9437208
BMW F45 F48 F49 Mini Countryman F60 Ground Earth Cable Adapter Mass 9437208
PLN 113.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 6929950
BMW 5 Series E60 E61 E63 E64 LCI CD Changer Magazine 6929950
Promo price
PLN 93.95
PLN 79.86
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7607973
BMW F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7607973
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9280185
Air Module BMW F10 F11 F01 F02 F03 LCI Control Unit ECU 9280185
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6867168
BMW 1 2 Series F20 F21 F30 F31 N13 N47N ECU ICM Control Unit Module 6867168
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6861026
BMW I01 F45 F46 Mini F55 F56 Parking Assistant PDC Control Unit Module 6861026
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

Part no. 7634057
BMW 3 4 Series F30 F31 F32 N20 Engine Gearbox Module Wiring Loom Harness
PLN 237.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 8585641
Engine Wiring BMW F20 F21 F30 F31 N47N Diesel Loom Harness Cable 8585641
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9270355
Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270355
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8385159-1
BMW X3 E83 E46 Battery Cable Holder Mounting B Base Trim Carrier 8385159
Promo price
PLN 43.95
PLN 41.75
Delivery: Mar 03
If paid before 14:00

Part no. 8517862-3
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8517862 + Key + FEM
PLN 1,044.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 6832062
BMW F10 F13 X3 F25 Wireless Charger Centre Console Phone Charging Module 6832062
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9291956
BMW 1 Series F20 F20N LCI Front Door Wiring Loom Harness Driver Side 9291956
Promo price
PLN 56.95
PLN 54.10
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 9156654
BMW 3 Series E93 Rear Antenna Aerial Amplifier AM/FM 9156654
Promo price
PLN 55.95
PLN 53.15
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 9240508
Fuse Map BMW X5 X6 E70 E71 Assignment Grouping Card 9240508
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 7374942
BMW F20 F21 F30 F31 Fuel Pump Control Unit Module 7374942
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8584276
BMW F30 F31 320d Engine Control Unit ECU DDE ed Diesel N47N 163HP 8584276
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
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
PLN 28.95
PLN 27.50
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 3454167-1
BMW X3 E83 Shark Roof Fin Antenna Aerial Module Unit 3454167 3436613
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 9140942-BAR1
BMW E87 E90 E91 LCI Rear PDC Ultrasonic Parking Sensor SET X2 Barberarot - A39
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

Part no. 5A071E5
BMW G20 G30 X3 G01 X4 G02 Head Unit High 3 Multimedia Module Harman 5A071E5
PLN 1,899.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9163173
BMW E60 E61 LCi Right Left Rear Door Wiring Loom N/O/S 9120797
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 6772742
BMW 3 4 Series F80 M3 F82 M4 Control Unit Active Sound Design 2622362
Promo price
PLN 1,139.95
PLN 683.97
Free delivery: Mar 03
If paid before 14:00

Part no. 8612582
BMW F45 Mini F60 HV Accumulator Battery Positive B+ Cable 8612582
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6949226-1
2 x BMW E63 E64 DWA Door Alarm System Module Control Unit Set 6949226
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

Part no. 8519005-2
BMW X1 E84 18dX Diesel N47N 143HP Engine Unit ECU DDE 8519005 Automatic
PLN 379.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7804127
BMW E60 E61 LCI 520d Cable Alternator Starter Base B 7804127
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 7111904
BMW X5 E53 Front Driver Seat Memory Electric Wiring Loom Harness 7111904
Promo price
PLN 161.95
PLN 137.66
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6864204
ICM Module BMW F20 F21 F30 F31 Control Unit 6864204
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8589170
Starter Harness BMW X3 G01 X4 G02 30dX 40dX B57 Cable Base B+ Loom 8589170
Promo price
PLN 94.95
PLN 56.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8510832
BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Automatic
Promo price
PLN 617.95
PLN 370.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9231442
BMW 2 3 4 Series F22 F30 F32 F36 Antenna Suppression Filter Aerial 9231442
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 9343304
BMW X5 F15 X4 F26 Antenna Aerial Diversity Trap Circuit Control Module 9343304
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 8507906
BMW 1 3 F20 F21 F30 Engine Gearbox Wiring Harness Glow Plug Module 8507906
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

Part no. 6919113-1
BMW E81 E82 E87 E88 E90 E91 E92 E93 F10 F11 F12 Black Relays 5 Pin Set 6919113
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 8605458
Wiring BMW X1 E84 F11 N20 Engine Sensor System Module Wiring Harness 8605458
Promo price
PLN 378.95
PLN 227.37
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6850846
BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7636757
BMW F20 F21 F30 F31 N13 Protection Cap Engine Wiring Harness 7636756
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

Part no. 9283511
BMW F30 Hifi Audio Sound Speakers Amplifier Control Unit ECU 9283511
PLN 189.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8513559
BMW X3 F25 30dX N57N Engine Module Injector Wiring Cable Loom Harness 8513559
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 3 – 4
If paid before 14:00

-5%
Part no. 6857701
BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6857701
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
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 .