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. 8582155-3
BMW F20 F30 F32 120dX 320dX 420dX 184HP N47N Engine ECU 8582155 Automatic
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9267466
BMW F10 Body Control Module Junction Box V2 PL2 JBBFE III Lear ECU 9267466
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

Part no. 9166897
Audio Amplifier HiFi BMW E87 E90 Top Sound System Control Unit 9177752
PLN 1,899.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 7951069
KaFAS Camera BMW F45 Front Camera Control Unit Module 9384688
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9199996
Holder BMW F13 TV Video Switch Control Module Unit Bracket Mount 9199996
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

Part no. 8486560
BMW F40 Steptronic Double Clutch Gearbox Transmission Control Module 8486560
PLN 1,139.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9365837
BMW F20 F21 F22 F30 F31 Head Unit Basic Media Headunit 9365837
Promo price
PLN 664.95
PLN 398.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6968651
BMW 3 Series E93 Cabrio Rear Left N/S Aerial Antenna Unit AM/FM 6968651
Promo price
PLN 132.95
PLN 126.30
Free delivery: Mar 03
If paid before 14:00

Part no. 9491592-1
BMW F22 F23 F87 Rear Tail Light Lamp LED Wiring Loom Right O/S 9491592
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 6842527
BMW G20 Battery Terminal Voltage Distribution Box 400W MID 6842527
Promo price
PLN 132.95
PLN 113.01
Free delivery: Mar 03
If paid before 14:00

Part no. 9380322
BMW F01 F02 F03 F10 F11 F13 Central Gateway Control Lear Module Unit ECU 9380322
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

Part no. 6981946
BMW 7 E65 E66 E67 Antenna Amplifier Control Module ECU Signal Booster 6981946
PLN 303.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9141446
BMW E93 Cabrio Convertible Hydraulic Pump Power Supply Cable 9141446
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 9383181
BMW F20 F21 F22 F30 F31 F32 F36 Fuse Box Body Module Control Unit FEM 9383181
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9328591
BMW X6 F16 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9328591
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9276009
BMW F07 GT Rear Antenna Aerial Amplifier AM/FM DABIII FBD2 868MHZ 9237057
Promo price
PLN 664.95
PLN 565.21
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6997612
BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 6997612
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9145172
BMW E90 E91 E92 E93 LCI Battery Bracket Lower Section Box 9145172
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 3 – 4
If paid before 14:00

-40%
Part no. 7316535-3
BMW F06 F13 Sliding Sunroof Drive Motor Unit Webasto 7316535
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

Part no. 9139895
BMW F20 F21 F30 F31 Mini F56 Navigation Head Unit Basic Media Player 9139895
PLN 379.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9196935
Seat Module BMW X1 E84 E87 E90 E91 Seating Control Unit ECU 9196935
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

Part no. 6992415
BMW 7 F02 ECU Body Control Module Junction Box JBBFEIIIR LP 6992415
PLN 189.95
Free delivery: Mar 03
If paid before 14:00

Part no. 9240236
BMW F01 LCI F10 F12 High Voltage Battery Charging Unit Module BCU 150 9240236
PLN 284.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 7545150-1
BMW X5 E53 3.0i M54 231HP ECU Engine Kit DME 7545150 Automatic Key EWS
Promo price
PLN 712.95
PLN 427.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6928523
BMW 3 Series E46 M47N Diesel Negative Earth Cable Battery 6928523
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 7110854
BMW Z4 Series E85 Roadster Head Lamp Cleaning Device Container 7110854
PLN 123.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9208452
Wiring BMW F07 Front Bumper PDC Wiring Park Assist Sensor Harness 9208452
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00

Part no. 9354758
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK Mid 9354758
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6963014
BMW E60 E61 E63 Passenger Side Door Air Module Control Unit ECU 6963014
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6858017
BMW F10 F11 LCI Control Unit EMF Module 6858017
Promo price
PLN 112.95
PLN 107.30
Free delivery: Mar 03
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
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 6937668
BMW X5 Series E53 Fuse Box Label Trim Cover Panel Sticker 6937668
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8576333-5
BMW F20 F30 120d 320d N47N 163HP Engine Control Unit ECU DDE 8576333 Manual
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 7856771
Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 1-4 Loom Valve Ignition 7856771
Promo price
PLN 284.95
PLN 242.21
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8378113
BMW Z4 Series E85 E86 Interior Fuse Box 8378113
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9362398
BMW F20 F21 F30 F31 F32 F45 Body Control Unit Module REM 9362398
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9231443
BMW 3 Series F30 F80 M3 Radio Antenna Amplifier Suppression Filter 9231443
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 7615308
BMW F20 F21 F30 Petrol N13 Wiring Loom Harness Engine Gearbox Manual 7615308
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
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
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 8513249
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513249 Automatic
Promo price
PLN 332.95
PLN 199.77
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 6927548
BMW Z4 E85 Drive For Window Lifter Motor Front Right O/S 6927548 9116626
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

Part no. 8582279-4
BMW F30 320d ed Diesel N47N 163HP Engine Control Unit ECU DDE 8582279 Manual
PLN 189.95
Free delivery: Mar 03
If paid before 14:00

Part no. 9190107
BMW Z4 E89 Battery B+ Engine Compartment Terminal Point 9190107
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

Part no. 9270495-CAR1
BMW X5 E70 X6 E71 F10 F11 PDC Ultrasonic Sensor Carbonschwarz 416 9231281 SET X2
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

Part no. 8582886-1
BMW X3 G01 F25 B47 sDrive 160HP Engine Control Unit ECU 8582886 Manual
PLN 949.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9262871
BMW F01 Front Door Wiring Loom Cable Harness 9262871
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

Part no. 9225014-1
BMW F23 F30 Distributor External Ignition Base Control Unit Module 9225014
PLN 42.95
Delivery: Mar 03
If paid before 14:00

Part no. 8606777-4
BMW F30 F31 320iX N20 184HP Engine Control Unit ECU DME 8606777 Manual
PLN 1,899.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6868598
BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Control Unit Module 6868598
Promo price
PLN 46.95
PLN 44.60
Delivery: Mar 03
If paid before 14:00

Part no. 9359013
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9359013
PLN 237.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8518568-3
BMW F20 F30 120d 320d ed Diesel N47N 163HP ECU Kit DDE 8518568 + Key + FEM
Promo price
PLN 569.95
PLN 341.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9496820
Crash Sensor BMW G20 G26 G80 Front Door Left Right N/O/S Air Impact Unit 9496820
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 8514032
BMW X3 F25 X4 F26 Diesel B47 Alternator Starter Wiring Holder Cover 8514032
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 6855558
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6855558
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 8506373-1
BMW X3 E83 LCI 1.8d N47 Engine Control Unit ECU Kit Module DDE 8506373 EWS Key
Promo price
PLN 1,139.95
PLN 683.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8579478-4
BMW F20 F30 120d 320d Diesel N47N 184HP ECU Unit DDE 8579478 Automatic
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6911584
BMW E65 E66 Steering Wheel MFL Phone Switch Buttons Left N/S 6911584
Promo price
PLN 56.95
PLN 54.10
Delivery: Mar 03
If paid before 14:00

Part no. 6808605
BMW F45 Mini F60 Air Con Pipe Pressure Hose Tube Compressor Evaporator 6808605
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6855995
Control Unit Module BMW F20 F21 F22 F30 F31 ECU ICM Plus 6855995
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8507398
Glow Bracket BMW E60 E87 LCI E90 E91 E92 F10 F11 N47 Diesel Relay Plug 8507398
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
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
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6921979
Door Module BMW E65 E66 E67 Front Door Control Unit Passenger Side 6921979
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 7118854
BMW Z4 Series E85 Cable Loom Wiring Harness Rear Window Heating 7043906
Promo price
PLN 332.95
PLN 199.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9270356-2
Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270356
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

Part no. 6960433
BMW E60 E61 E63 E64 E90 E91 FBAS Analog Video Module Unit 6960433
PLN 379.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9247067
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9247067
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6838610
BMW 1 Series F40 Aerial probe AM/FM Antenna 6838610
Promo price
PLN 56.95
PLN 54.10
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 9226326
BMW E81 Body Control Module Control Unit L2 PL2RR JBBFE III ECU 9226326
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6968649
BMW E93 Convertible Aerial Antenna Amplifier FM/AM Left N/S 6968649
Promo price
PLN 37.95
PLN 36.05
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 6856314
BMW 1 3 Series F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9267200-1
BMW E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
Promo price
PLN 170.95
PLN 162.40
Free delivery: Mar 03
If paid before 14:00

Part no. 8483816
BMW X3 G01 X4 G02 Cable Alternator Starter Base B Wire Line 8483816
PLN 237.95
Free delivery: Mar 03
If paid before 14:00

Part no. 9294209
BMW X3 F25 Radio CD Player Head Unit Navigation Sat Nav CIC Alpine 9294209
PLN 522.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6964142
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver-Side 6933266
Promo price
PLN 18.95
PLN 18.00
Delivery: Mar 03
If paid before 14:00

Part no. 9145007
BMW E87 E90 X3 E83 Hands-free Electronics Charging Module ULF 9145007
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9187541
BMW Z4 E89 ECU Body Control Module H3 Junction Box 9187541
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 8635815
BMW F20 F30 LCI 118i 318i B38 Gearbox Wiring Loom Harness Cable 8635815
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 7611322
BMW F01 F02 F06 F07 F10 F11 F12 Positive Cable Battery Lead N55 Engine 7611322
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9317866
BMW 3 Series F30 330e Hybrid Battery Accumulator Bracket Holder Mount 9317866
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7115655-LMB
BMW X3 E60 E61 E83 Front PDC Parking Distance Sensor Le Mans Blau - 381
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

Part no. 8572418-2
BMW X3 F25 Diesel 2.0dX 184HP N47N Engine ECU Kit DDE 8572418 Key CAS4 Automatic
PLN 712.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8510221-6
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
PLN 902.95
PLN 541.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6949226-2
4 x BMW E63 E64 DWA Door Alarm System Module Control Unit Set 6949226
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9111165-PB2
PDC Sensor BMW E81 E82 E87 E88 E90 E91 Ultrasonic Parking SET X4 Platinbronze
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 35962
BMW X3 Series E53 E83 iPod Interface Retrofit Connection Module 0035962
Promo price
PLN 142.95
PLN 135.80
Free delivery: Mar 03
If paid before 14:00

Part no. 9222861
BMW 1 3 Series E87 E90 LCI CIC Sat NAV Screen Navigation Professional 9222861
PLN 2,374.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8055326
BMW 3 4 Series F80 M3 F82 M4 LCI Fuel Tank Heat Insulation Plate 8055326
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 3 – 4
If paid before 14:00

-5%
Part no. 2383676
Battery Cable BMW F22 Negative Earth Cable Minus Electrical Wire 7625999
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 7549284
BMW 1 3 Series E87 E90 118i 318i N46 Wiring Loom Cable Harness Engine Gearbox
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6970889
BMW 7 Series E65 E66 E67 Sensor Vehicle Centre Airbag 6970889
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9237968
BMW F07 GT Central Gateway Module ECU Control Unit Lear ZGW-01 High 9237968
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9367693
BMW M5 F90 G11 G12 Power Distribution Relay Fuse Box Make Contact 9367693
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9339274
CAS4 Module BMW F01 F07 F10 F11 F12 X3 F25 Key Reading Control Unit 9339274
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9247481
BMW X3 F25 Control Module CAS Unit ECU 20dX Diesel N47N 9247481
Promo price
PLN 427.95
PLN 256.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7810860-1
BMW 3 Series E90 E91 E92 E93 LCI N47N Engine Alternator Starter Cable B 7810860
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 6948689
BMW E60 E61 E63 Driver Side Door Air Module Control Unit Module 6948689
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 9371789
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9371789
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 9354457
BMW F20 F30 F31 F32 Front Seat Control Unit Module ECU 9354457
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9154413-1
BMW E93 LCI Convertible GPS Antenna Aerial Unit Module 9154413
Promo price
PLN 93.95
PLN 79.86
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 .