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. 6956939-1
Changer Unit BMW E63 E64 6-disc Compact CD Head Player 6956939
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6837359
Air Module BMW F01 LCI F07 F10 F11 F22 F25 Control ECU 6837359
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9130313
BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9130313
€227.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 1742690
BMW E60 E63 E87 E90 Relay Changer Make Contact Salmon Red 1742690
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8375408
BMW X5 E39 E53 Steering Column Wiper Switch Stalk 8375408
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7789755
BMW 5 6 Series E60 E61 E63 E64 LCI Cable Starter-Base B 7789755
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9264924
BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264924
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 6941503
BMW X5 Series E53 Cable Harness Door Front Right Left N/O/S 6941503
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9261614
BMW 1 2 Series F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Glacier Silver
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7111904
BMW X5 E53 Front Driver Seat Memory Electric Wiring Loom Harness 7111904
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9225831
BMW F07 Left N/S Central Bass Loud Speaker Stereo System Unit 9164581
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6926472
BMW E65 E66 E67 Phone Transmitter Receiver Module ECU SIEMENS 6926472
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7795485
BMW X1 E81 E84 E87 E90 E91 Earth Cable Battery Cable 7795485
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7615308
BMW F20 F21 F30 Petrol N13 Wiring Loom Harness Engine Gearbox Manual 7615308
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
Part no. 7990758-CAR
BMW F33 PDC Ultrasonic Parking Sensor PDC 7990758 Carbonschwarz Metallic - 416
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9297897
BMX X4 F26 X6 F16 Cental Woofer Speaker Audio Unit Left Right N/O/S 9297897
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9343317
Audio Amplifier BMW F20 F21 F22 Harman/Kardon Active Sound Design System 9343317
€56.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7577968-5
BMW E60 E90 Z4 E85 N52 323i 523i 177HP Engine Control ECU DME Kit 7577968 Manual
€165.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9866978
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9866978
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9299594
Central Gateway BMW X3 F25 X4 F26 Module Control Unit Lear ZGW-02 4SK 9299594
€62.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9387266
FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266
Promo price
€132.95
€113.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6963013
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6963013
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9374508
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9374508
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9311850
BMW 1 3 Series F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9311850
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8574372
BMW F30 F32 330d 430d Diesel N57N Engine Control Unit ECU DDE 8574372 Automatic
Promo price
€189.95
€113.97
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8046454
BMW E81 E82 E87 E90 PDC Ultrasonic Sensor Front Rear Melbourne Red - A75 8046453
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9131643
BMW E87 E90 E92 Seat Wiring Cable Front Right O/S Heating Loom Harness 9131643
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6956744
BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 7853460
Gearbox Wiring BMW F87 M2 N55 Engine Automatic Loom Harness Cables 7853460
Promo price
€94.95
€56.97
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9226333-1
BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9226333
€51.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8506374-6
BMW E60 E87 E90 120d 177 HP N47 ECU Engine Control Unit DDE 8506374 Manual
Promo price
€113.95
€96.86
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 1378238-1
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9323554
BMW 1 3 Series F20 F21 F30 Operating Unit Audio FBM Control Unit Panel 9323554
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6850375
BMW 1 3 Series E81 E87 LCI E88 E90 M3 E92 Speed Cluster Sensor 6780334
€35.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 7852144
BMW F10 M5 F12 M6 Ignition Engine Wiring Harness Ignition Module Cyl.1-4 7852144
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9159332
BMW F01 F10 F11 Heater Fan Blower Unit Motor Wiring Cable Harness 9159332
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6857300
Air Module BMW F01 F02 LCI F10 F11 F13 ICM Crash Control Unit ECU 6857300
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9110878
BMW E81 E87 E91 Switch Cluster Steering Column Cruise Control 9110878
Promo price
€180.95
€108.57
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9225830
BMW F07 Right O/S Central Bass Loud Speaker Stereo System Unit 9164582
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9210120
BMW F07 GT Door Wiring Loom Cable Harness 9210120
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9242670
DVD Changer BMW F01 F10 F11 F12 F20 F30 Disc Changer Control Unit 9259800
Promo price
€189.95
€113.97
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6825541
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 6825541
Promo price
€99.95
€84.96
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9296981
Battery Cable Mini F55 F56 BMW X2 F39 Diesel B37 Positive Cable Wiring 9296981
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9119494
BMW E87 ECU Junction Box Body Control Module L2 61359119494 9119494
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8576341-2
BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM
€222.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7615305
Engine Wiring BMW F20 F21 F30 F31 N13 Loom Module Harness Cable 7615305
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9196100
Mini Cooper One F55 F56 F57 B Pillar Upper Column Airbag Sensor 9196100
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9259581
BMW X3 F25 Map Card Fuse Box Grouping Diagram 9259581
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8612576
BMW X1 F30 F31 LCI Starter Motor Engine 8612576
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6824383
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 6824383
Promo price
€113.95
€96.86
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9134666
Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9134666
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 2447799
BMW M6 F13 X3 F25 F32 F33 Bluetooth Telematic Control Module Unit 2447799
Promo price
€113.95
€96.86
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9267200-1
BMW E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8574095
BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8574095 Manual
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9348935
BMW X1 F45 F48 Mini F55 F56 F60 Air Module Control Unit Module ECU 9348935
Promo price
€151.95
€91.17
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9343259
B+ Distribution Box BMW X3 F25 Battery Power Red Rear Control Unit 9206140
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9866979
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9866979
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9387453
Display Screen BMW F30 F31 F32 F33 On-board Navigation Monitor 8,8" 9387453
Promo price
€284.95
€242.21
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9210135
BMW F07 GT Rear Door Wiring Loom Cable Harness 9210135
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8707750
BMW F20 F21 F22 F23 F87 M2 Body Domain Controller BDC Module FEM 8707750
Promo price
€279.95
€237.96
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7583740
BMW Z4 E89 Earth Battery Cable Wiring Loom Harness Line 7583740
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9362395
BMW F20 F30 F31 F34 Electrical Body Control Unit Module REM V2 9362395
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9322122-2
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8513559
BMW X3 F25 30dX N57N Engine Module Injector Wiring Cable Loom Harness 8513559
Promo price
€284.95
€170.97
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7809955-4
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
€617.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 6807322
Positive Cable BMW F90 M5 G30 Battery Wire Lead Underfloor Wiring 6807323
Promo price
€89.95
€53.97
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8512498-5
BMW E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
Promo price
€232.95
€139.77
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9374510
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9374510
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9207075
BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9207075
Promo price
€80.95
€48.57
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8516122
Battery Cable BMW X5 F15 X6 F16 Alternator Starter Wiring Loom Harness 8516122
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9366339
BMW G32 GT Door Wiring Harness Loom Cable Rear Left Right N/O/S 9366339
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8590041
BMW G30 G31 B47 Diesel Glow Heater Plug Engine Wiring Loom Cable 8589786
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7798034
BMW E60 E65 E87 E90 Starter Motor Engine 7798034
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8733503
BMW F30 Fuse Box Front Body Control Module ECU BCM Unit 8733503
Promo price
€189.95
€113.97
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9337210
BMW 4 F33 F83 M4 Cabrio Front Door Driver's Side Wiring Loom Cables 9337212
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9243667
BMW X3 F25 X4 F26 Rear Door Left Right N/O/S Wiring Loom Cables Harness 9243667
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 6881597
BMW M3 F80 LCI VDC Controler Adaptive M Suspension Mode Control Module 6881597
Promo price
€94.95
€56.97
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9290014
BMW X3 F25 Light Module Control Footwell ECU Unit FRM3 9290014
Promo price
€108.95
€65.37
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7592511
BMW E88 E90 E91 E92 LCI F20 F21 F30 Ignition Wiring N55 Engine Harness 7592511
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9262753
BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9231179
Antenna Amplifier BMW F30 F80 M3 F82 M4 Rear Aerial Booster AM/FM DAB 9231179
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9252651
BMW 1 2 3 Series F20 F21 F22 F30 Radio Remote Control Receiver 868 MHZ 9252651
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7446712
BMW F23 Cabrio Convertible Folding Top Roof ECU Control Unit CVM Module 7446712
€142.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9298945
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9298945
Promo price
€113.95
€96.86
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9222874
BMW E60 E61 Professional Navigation System CIC Sat Nav Controller 9222874
€450.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6928934
Antenna Amplifier BMW E82 E90 E92 Diversity Signal Boost 6928934
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9286365
BMW X1 X2 Series F39 F48 Antenne AM Antenna Amplifier Cable 9286365
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 7641659
Engine Wiring BMW F10 F20 F30 N20 125i 328i 528i N20 Harness Module 7641659
Promo price
€99.95
€59.97
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9113064
BMW 5 Series E60 E61 LCI Centre Console Switch Cluster Control Unit ECU 9113064
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9218380
Steering Wheel Module BMW F10 F11 F20 F21 F30 F31 Heating Control Unit 9218380
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .