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. 8638551
BMW F20 F21 F22 F30 F32 LCI Integrated Supply Module Unit 8638551
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9345330
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V8 9345330
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6960221
Airbag Module BMW E65 E66 Sensor B-pillar Left N/S Control Unit Air Bag 6960221
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9284973
Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 7627023
BMW F20 F21 F30 Petrol N13 Automatic Gearbox Engine Sensor Module 1 Wiring
Promo price
€66.95
€40.17
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 7559178-11
BMW E60 E90 E91 330i 530i N52 258HP Engine ECU Kit DME 7559178 CAS2 + Key Manual
Promo price
€379.95
€322.96
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7075944-2
BMW E60 E65 E70 Front Right Seat O/S Height Adjustment Drive 7075944
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8366625
BMW 259 259R 259 R22 Connection Plug Relay Pink Tyco 8366625
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9237085
BMW F10 F11 Cable Loom Door Passenger Side Wiring Harness 9240882
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8583657-1
BMW F20 E90 LCI Mini R56 LCI Glow Plug Wiring Wiring Harness Engine Module
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 8512047-7
BMW E90 E91 LCI N47N 320d 163HP ECU Module KIT DDE 8512047 Automatic
€180.95
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9242204
Wiring BMW F12 F13 F06 Cable Set For Electric Parking Brake Handbrake 9242204
Promo price
€80.95
€48.57
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 1388911-2
BMW E36 E38 E85 Mini R52 R57 4x Change-Over Contact Relay Violet Set 1388911
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8507912
BMW F30 F31 Engine Wiring Loom N47N Harness Automatic Gearbox 7549282
Promo price
€66.95
€40.17
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 3420482
BMW X3 E83 Ground Earth Cable Battery Wiring 3420482
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6935600
BMW E81 E82 E87 E90 E91 PDC Parking Ultrasonic Sensor Sonora Metallic 6935600
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6957807
BMW X3 E83 Amplifier For Stereo System Harman/Becker AMP 6957807
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9243922
BMW E81 E87 E90 E91 LCI Professional CD Radio With Bluetooth 9243922
Promo price
€189.95
€161.46
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00
-15%
Part no. 8586568
BMW F20 F22 F23 Gearbox Transmission Module Harness Wiring Loom Cable 8586568
Promo price
€56.95
€48.41
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 9387266
FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266
€132.95
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9382418
BMW F45 X1 F48 G30 Telematics Module Bluetooth Telephone Control Unit 9382418
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 5A234D0
Wiring Cable BMW F06 F12 F13 Electric Parking Hand Brake Handbrake Cable 5A234D0
Promo price
€42.95
€25.77
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9286863
BMW X5 Z4 Series E70 E89 Active Sound Harman Becker Amplifier Design 9286863
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 7575579
BMW X5 X6 Series E70 E71 Cable Wiring Harness Rear Differential Axle 7575579
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9393675
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V8 Lear 9393675
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6980089
BMW 5 Series E60 E61 Alarm System Unit Ultra Sonic Module 6980089
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7541779
BMW Z4 E85 2.0i N46 Cable Alternator Starter Base B+ 7541779
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9197177
BMW E82 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9197177
Promo price
€113.95
€68.37
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9264573
BMW 3 Series E91 LCI ECU Body Control Module Junction Box H2 9264573
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9381114
BMW F20 F21 F30 F31 F32 Mini F56 F57 Seat Control Unit Module Heating 9381114
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00
-5%
Part no. 6927000
BMW E63 E64 Amplifier Holder Catch Bracket Video Module 6927000
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9234421
Fuse Box BMW F01 F02 F07 F10 F11 Power Distribution Front 9234421
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6957759
BMW E60 E61 E63 Driver Side Door Air Module Control Unit Module 6957759
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 8509757-1
BMW F07 530d F01 730d N57 245HP Engine ECU Kit DDE 8509757 CAS4 Key Automatic
Promo price
€237.95
€202.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9254025
BMW 5 7 X3 X5 X6 Series F10 F11 E70 E71 F01 F02 F25 Rain Light Solar Sensor
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6933410
BMW E85 Fuses Electrical Fuse Set 6933410
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9316569
BMW X5 F15 Fuse Box Rear Relay Module Control Unit 9316569
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 9895416
BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME Manual Control Unit 9895416
€170.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6766003
BMW X3 E83 Z4 E85 E86 Fuel Pump Module Control Unit 6766003
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9233009
BMW F33 F83 M4 Convertible DWA-Alarm System Module Unit ECU 9233009
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8580192
Glow Plug Cable BMW G20 X3 G01 B47 Wiring Harness Engine Glow Module 8580192
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 8707750
BMW F20 F21 F22 F23 F87 M2 Body Domain Controller BDC Module FEM 8707750
€279.95
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9231175
Diversity Antenna Amplifier BMW F30 F32 Rear Window DAB Module Unit 9231175
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 8618444
BMW F30 LCI 330e B48X Cell Module Connector 8618444 61278618444
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9362398
BMW F20 F21 F30 F31 F32 F45 Body Control Unit Module REM 9362398
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6970908
BMW E65 E66 Sensor Front Right Door Airbag O/S 6970908
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9110621
BMW 3 Series E90 E92 LCI Suppression Filter for Antenna 9110621 652 9110621
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7798482
BMW E60 E61 Battery Alternator Cable Lead For Preheater System 7798482
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9216128
BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU 9216128
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9159794
BMW 3 Series E93 Cabrio Airbag Control Unit Module ECU 9159794 65779159794
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6902285
BMW E39 E87 E90 E91 Trigger Contact PDC Sensor Tweeter Gong 6902285
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9327318
BMW 1 2 3 4 5 F10 F20 F22 F30 F32 Navigation Sat Nav DAB Head Unit High 9327318
Promo price
€237.95
€202.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7374942
BMW F20 F21 F30 F31 Fuel Pump Control Unit Module 7374942
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6819653
BMW X5 F15 Fuse Box Front Body Control Module ECU BCM Unit 6819653
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 8506434-1
BMW E81 E87 E90 LCI 118d 318d N47 ECU Kit DDE CAS 3 Key 8506434
Promo price
€113.95
€96.86
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9244189
BMW F20 F21 F30 F31 Telematics Module Bluetooth Combox Telematik ECU 9244189
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7838929
BMW 3 5 6 Series E60 E63 E90 E92 Crossover Frequency Unit Module Door 7838929
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6921857
BMW X5 E39 E46 E53 Motorola Hands-free Electronics Control Unit ECU 6921857
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00
-5%
Part no. 9322900
BMW F20 F21 F22 F30 F31 Negative Minus Pole IBS Battery Lead Cable 9322900
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9231518
BMW 3 Series F31 Antenna Aerial Diversity Trap Circuit 9231518
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 7627021
BMW 1 3 Series F20 F21 F30 Petrol N13 Harness Engine Sensors Module 1 7627021
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6950525
BMW 3 6 Series E63 E64 E93 DWA Alarm System Module Unit 65756950525 6950525
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 9366339
BMW G32 GT Door Wiring Harness Loom Cable Rear Left Right N/O/S 9366339
€28.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9315150
BMW X3 F25 Front Distribution Box Fuse Box Power Control Unit 9315150
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6882971
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Air 6882971
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6906624
BMW E87 E90 E91 Power Distribution Fuse Box Front 6906624
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6980078
BMW E88 Antenna Amplifier Aerial Diversity Module AMP 6980078
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9248369
Radio Player BMW F10 F11 F12 Alpine CD Champ Head Unit Controller 9248369
Promo price
€75.95
€45.57
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9231280-TS
BMW F07 Parking Module PDC Distance Control Unit Sensor Titan Silver - 354
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7342174
BMW X1 E84 Z4 E89 LED Xenon Headlight ECU Module 7342174 L90028076
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9231443
BMW 3 Series F30 F80 M3 Radio Antenna Amplifier Suppression Filter 9231443
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00
-5%
Part no. 6885215
BMW F90 M5 F91 M8 G05 G11 G30 Steering Column Control Unit Module 6885215
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8619095
BMW i3 I01 Hybrid Electric Earth Ground Cable Negative Battery Lead 8619095
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8602123
BMW i3 I01 Hybrid Electric Earth Ground Cable Line Strap Battery Lead 8602123
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6985748
BMW 5 Series E60 E61 Centre Console Switch Centre DTC PDC 6985748
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6860936
BMW i3 I01 F45 F46 Control Unit SAS Module ECU 6860936
Promo price
€232.95
€198.01
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 5A243F5-1
Ultrasonic Sensor BMW F70 G60 U06 Rear Parking PDC Set Portimao Blue - C31
Promo price
€132.95
€113.01
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6927270
BMW 5 Series E60 Seat Control Unit Module Left Right N/O/S Temic 6927270
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00
-5%
Part no. 7964087
BMW 5 Series E60 E61 PDC Parking Sensor Front Carbonschwarz Black 6989071
Promo price
€26.95
€25.60
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6911584
BMW E65 E66 Steering Wheel MFL Phone Switch Buttons Left N/S 6911584
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6912817
BMW E46 Z4 E85 E86 Antenna Amplifier Diversity 6912817
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9387145
BMW F30 LCI 330e B48X Negative Earth Cable Battery 9387145
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7514342
BMW E34 Z4 E85 Base B Terminal Point Engine Compartment 7514342
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8579479-4
BMW F20 F21 F30 F31 118d 318d N47N Engine Control Unit ECU DDE 8579479 Manual
Promo price
€66.95
€40.17
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6944500
BMW 5 6 Series E60 E61 E63 Driver's Side Door Airbag Control Unit Module 6944500
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 9252549
BMW F12 Front Seat Control Unit Module Memory ECU 9252549
€66.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8368932
BMW E39 Alarm Sensor Comfort Control Module Unit ECU 55892110
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 3450847
BMW X3 E83 LCI Cable Loom Door Passenger Side Wiring Harness 3450838
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00
-40%
Part no. 9381837
BMW X1 F48 Mini F55 F56 Air Module Control Unit ECU 9381837
Promo price
€85.95
€51.57
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6958414
BMW E60 E61 Alarm System Unit Ultra Sonic Module 9149673
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00
-5%
Part no. 9382417
BMW 1 2 3 5 F10 F20 F23 F30 Bluetooth Teleservices GPS Telematics Module 9382417
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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 .