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. 7428425-3
Headlight Module BMW F20 F21 LCI Front Lamp Hedlamp LED Control Unit 7428425
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9117847
PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 9117847
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7822015
BMW G20 G21 G26 330d 430d B57P Diesel Starter Cable Wiring B+ 7822015
Promo price
€80.95
€68.81
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 5A923C4
BMW F40 G20 G21 G30 G31 X3 G01 HiFi Audio Sound Amplifier RAM Module 5A923C4
Promo price
€189.95
€161.46
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7405634
BMW G20 Trunk Boot Lid Tailgate Pushbutton Lock System Trim Cover Panel 7405634
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9389069
BMW F20 F21 F30 F31 F32 X5 F15 X6 F16 Power Distribution Fuse Box Front 9389069
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 5A4A1E1
Kafas Camera BMW G20 G30 G28 G80 F40 F44 Front Assist Camera Module 5A4A1E1
Promo price
€170.95
€102.57
Free delivery - Tue, Oct 07
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
€51.95
€44.16
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8631634
BMW X5 F15 Earth Ground Cable Negative Battery Lead Wiring 8631634
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7577068-2
BMW E90 E91 E92 N52N 325i 218HP Engine ECU Kit DME 7577068 CAS3 Key Automatic
Promo price
€427.95
€256.77
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8680374-1
BMW F45 Alternator Generator 14V 180A DENSO 8680374
€28.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8585380-1
BMW F30 330d F32 430d N57N 258HP Control Unit ECU Kit DDE 8585380 FEM Key
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7638005
BMW F20 F30 F32 Earth Ground Cable Negative Battery Lead Wiring 7638005
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8584816
Engine Wiring BMW G20 G21 X3 G01 B57 Injectors Module Harness Loom 8584816
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8584817
BMW G20 G21 G01 G02 Wiring Harness Engine Glow Plug Module 8584817
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8644376
BMW G20 G30 F40 F45 Mini F54 F56 F60 Crankshaft Position Sensor 8644376
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9355462
BMW X5 F15 Bumper PDC Rear Wiring Loom Parking Sensor Cable 9355462
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8678974
Engine Cable BMW F40 X1 F48 Mini F55 F56 Injector Wiring Loom Harness 8678974
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8678968
Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 1 Harness 8678968
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8693361
BMW F87 M2 Engine Control ECU Kit DME 8693361 N55 370HP Key Dual Clutch
Promo price
€949.95
€569.97
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9266838
BMW X3 F15 Can Bus Interface 120Ohm Control Module Unit ECU 9266838
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6882780
BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6882780
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6819651
BMW X5 F15 Rear Fuse Box Distribution Relay Module Control ECU Unit 6819651
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9268438
BMW F10 F11 F01 F02 F03 Crash Impact Air Module Central Sensor Unit 9268438
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8589168
Alternator Harness BMW X3 G01 X4 G02 30dX 40dX B57 Cable Base B+ Loom 8589168
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
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
€61.95
€37.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9391253
BMW F10 F11 Wiring Cable Loom 9391253 9391252
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9317866
BMW F30 330e Hybrid Battery Accumulator Bracket Holder Mount 9317866
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8585933
Wiring Loom Harness BMW F20 F30 F36 LCI B47 Engine Gearbox Module 8585933
Promo price
€123.95
€74.37
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8680374
BMW F45 Alternator Generator 8680374
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8483814
BMW G20 Starter Wiring Battery Alternator Cable Harness Loom 8483814
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8482365
BMW G20 Installation Cable Wiring Loom 8482365
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8482313
BMW G30 Engine Wiring Loom Harness Ignition Module 8482313
Promo price
€85.95
€51.57
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9390501
BMW 3 4 Series F31 F32 F80 M3 F82 M4 LCI USB Charger Adapter Socket 9390501
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9196591
BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7561834-13
BMW E87 E90 120i 320i N46 150HP Engine Control DME Module 7561834 Automatic
Promo price
€346.95
€208.17
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9281714
BMW F83 Camera Kafas Front Windscreen Camera 9281714
Promo price
€70.95
€42.57
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8574352
BMW X1 E84 20d 20dX 184HP N47N Engine Control Unit ECU DDE 8574352 Automatic
€89.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7939168
Rain Sensor BMW F20 F21 F30 F31 Windscreen Light Solar Condensation Unit 7939168
Promo price
€61.95
€52.66
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6911922
BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8578944-2
BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Manual
Promo price
€170.95
€102.57
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9224275
BMW F01 F02 F07 GT Control Unit Air Module ECU 9224275
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8507360
Automatic Gearbox Wiring BMW F10 F11 530d N57 Engine Loom Harness Cables 8513823
Promo price
€127.95
€76.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9244161
BMW F01 F02 F03 F04 Head Unit Radio Media Player Navigation 9244161
Promo price
€199.95
€169.96
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
Part no. 7649131
BMW F30 F31 320i N20 184HP Engine Control Unit ECU DDE 7649131 Manual
€237.95
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8058634
Engine Wiring BMW X3 M F97 X4 M F98 Loom Harness Ignition Module 8058634
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8091664
Baterry Cable Bracket BMW X3M F97 X4M F98 S58 Alternator Wire Holder 8091664
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8088723
Engine Wiring BMW X3M F97 X4M F98 Petrol S58 Module Sensors 1 Harness 8088723
Promo price
€203.95
€122.37
Free delivery - Tue, Oct 07
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
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7823755
Engine Module Wiring BMW F07 GT F10 F11 Diesel N57N Injectors Harness 7823755
Promo price
€137.95
€82.77
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-40%
Part no. 5A25FC9
BMW G30 Fuel Pump Module Control Unit ECU 5A25FC9
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8485065
BMW G11 G12 G14 G15 G16 G30 G31 G32 G38 Positive Battery Cable Wire 8485065
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8843416
BMW G30 Battery Cell Module Supervision Circuit Control Unit 8843416
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8494949
Rear Tailgate Sensor BMW F40 F44 F48 Mini F54 LCI Smart Opener Bottom 8494949
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8494948
BMW F40 F44 F48 Mini F54 Rear Tailgate Smart Opener Top Wire Sensor 8494948
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 3404568
BMW X3 Series E83 2.5i 3.0i Engine Starter Motor Positive Battery Cable 3404568
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 5A0FAD6
BMW i4 G26 Hybrid Electric Earth Ground Cable Negative Battery Lead 5A0FAD6
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9352750
BMW X6 F16 F86 Camera Kafas Front Windscreen Camera Module 9352750
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9360371
BMW X6 F16 Fuse Relay Box Control Unit Power Distribution 9360371
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9360372
BMW X6 F16 Fuse Box Power Distribution Relay Control Unit Box Rear 9360372
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9289679
BMW X5 F15 X6 F16 Antenna Amplifier Control Unit Module 9289679
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9289374
BMW X5 X6 F15 F85 F16 F86 Front Battery Fuse Box Positive Distribution Terminal
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6992830
BMW F10 F20 F30 Mini F55 F56 KaFAS Camera Front Control Unit Module ECU 6992830
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7624621
BMW X1 F84 Starter Wiring Battery Alternator Cable Harness Loom 7624621
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9338800
iDrive Control Unit BMW F10 F20 F30 Touch Controller Module ECU 9338800
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9192665
BMW X3 F25 Positive Battery Clamp Point Cover Wiring Loom 9192665
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6927311
BMW 5 Series E60 Front Seat Module Control Unit Controller 6927311
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7549284
BMW E87 E90 118i 318i N46 Wiring Loom Cable Harness Engine Gearbox
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7634061
BMW F10 Engine Transmission Module Cable Loom Wiring Harness 7634061
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7624619
BMW F10 Cable Generator Alternator Starter Base B+ 7624619
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9367837
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Control Unit ECU 9367837
Promo price
€170.95
€102.57
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8679817
BMW F98 Earth Ground Cable Negative Battery Lead Wiring 8679817
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8067511
BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8809737
PDC Wiring BMW X4M F98 G02 Rear Bumper Parking Assistance Sensor Harness 8809737
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6840269
Antenna Amplifier BMW X4M F98 G02 Radio Signal FM2 DAB Amplifier Module 6840269
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8736251
BMW X4M F98 X4 G02 X3 G01 Rear Fuse Box Power Distribution Fuse Box 8736251
€66.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 9835622
BMW X4 F98 G02 Active Sound Design Module Control Unit Harman Kardon 9835622
€51.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8482940
BMW F30 LCI G11 G30 Battery Cell Supervision Circuit Module Unit 8667593
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7823343
Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6793850
Adapter Lead Wire BMW F20 F21 F22 F23 F30 F31 F32 F33 VDC Cable Harness 6793850
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7789225
BMW E65 E66 730d M57N Diesel Cable Starter-Base B+ 7789225
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8606306
BMW F10 F11 F30 184 HP Petrol N20 Engine Control Unit ECU DME 8606306 Manual
Promo price
€398.95
€239.37
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8508654
BMW F10 F11 N47S1 Engine Injector Module Wiring Harness 8508654
Promo price
€61.95
€52.66
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6994419
BMW G20 Power Distribution Fusebox Cover Fuse Box Terminal 6994419
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9875930
BMW G20 Head Unit Navigation Audio Player Controller Module 9875930
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6842527
BMW G20 Battery Terminal Voltage Distribution Box 400W MID 6842527
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6839769
KaFAS Module BMW F10 F20 F30 Mini F55 F56 Assist Camera Control Unit 6839769
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8649179
BMW X5 F15 Positive Wiring Harness Cable Battery 8649179
€89.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8578945-3
BMW F20 118d F30 318d N47N 143HP ECU Engine Contol Unit DDE 8578945 Manual
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8779030
BMW G30 G31 Body Control Comfort Module Unit FEM ECU V05 8779030
Promo price
€569.95
€341.97
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7555193
BMW F10 Control Unit Box F07 F11 Engine Ventilation Housing Box 7555193
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
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 .