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. 6799659
BMW F10 F11 ICM Module Integrated Chassis Management QL ES Control Unit 6799659
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6957343
BMW 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
€47.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9270490
BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9141446
BMW E93 Cabrio Convertible Hydraulic Pump Power Supply Cable 9141446
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6956748
BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Tiefgruen Green A43 6956748
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8379938
BMW 3 Series E46 Ultra Sonic-Module 8379938
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9118108
BMW 1 Series E81 E82 Wiring Set Door Co-driver 9118109
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8654466-1
BMW F45 225i 231HP B48 Engine ECU Kit Unit DME 8654466 BDC Key Automatic
Promo price
€664.95
€398.97
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8639595-6
BMW F30 328i F32 428i N20 245HP Engine Unit ECU Kit DME 8639595 Key + FEM
€332.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7222633
BMW E90 E91 LCI Flat Cable Wiring Wire CAS Start Stop ECU Loom 7222633
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6980177
BMW X1 X3 X5 X6 Z4 Z8 Relay Changeover Function Green 6980177
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8573260-4
ECU Kit BMW F20 F21 116d ed Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
Promo price
€398.95
€239.37
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8386708
BMW X5 Series E53 Xenon Headlight Ballast Control Unit Module Hella 8386708
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8510592-1
BMW E81 E87 E90 LCI 118d 318d N47 ECU Kit DDE CAS3 Key 8510592
Promo price
€94.95
€56.97
Free delivery - Wed, Dec 31
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, Dec 31
If paid before 14:00
-15%
Part no. 6934011
BMW 7 Series E65 E66 Cable Harness Loom Front Door Wiring Left N/S 6934010
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8506281
BMW E81 E87 E90 LCI 116d 316d 118d 318d N47 Engine ECU DDE 8506281 Manual
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9251722
BMW F20 Front Left Door N/S Wiring Loom Harness Cables 9251715
€23.95
Free delivery - Wed, Dec 31
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
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9301309
Air Conditioning Unit BMW F20 F21 F30 F31 Control Unit A/C Module 9301309
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7835123
BMW E60 E61 LCI M5 E63 M6 Wiring Harness Air Conditioning Compressor
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6819334
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 6819334
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7127282
BMW X5 Series E70 Rear Trunk Battery Cover Tray Storage Box 7127282 51477127282
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9343687
BMW F01 LCI F07 F10 F11 F25 Safety Control Unit Air Module Bag ECU 9343687
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6964142
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver-Side 6933266
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9227178
BMW E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9227178
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6949226-1
2 x BMW E63 E64 DWA Door Alarm System Module Control Unit Set 6949226
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7473684
Door Cable BMW F25 F26 Right O/S Wiring Loom Harness Handle Light Lamp 7252538
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7604347
BMW F20 F30 F31 F32 Bracket Holder Power Distribution Control Unit 7604347
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 6870539
BMW F10 F11 F12 F13 Parking AID Control Module ECU 6870539
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8573260-5
ECU Kit BMW F20 F21 116d Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
Promo price
€308.95
€185.37
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 7599881-12
BMW E81 E87 LCI Petrol N43 116i 2.0 122HP ECU Kit 7599881 DME CAS3 Key Manual
Promo price
€161.95
€97.17
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9134668
Seat Control Unit BMW E90 E91 E92 Seat Module Unit Controller ECU 9134668
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9369124
BMW F10 F20 F30 Front Seat Control Unit Module Memory 9280913
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6915327
BMW E46 E39 E60 E81 E87 E90 E91 F10 F20 F30 Relay Make Contact Sky Blue 6915327
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6820526
Head Unit BMW F20 F21 Radio Media GPS Sat Navigation Unit 6820526
€142.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7537612-1
BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8580307
BMW X1 E84 18dX Diesel N47N Engine Control Unit Module ECU DDE 8580307 Manual
Promo price
€94.95
€56.97
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9149674
BMW 3 5 Series E60 E90 Portable DVD System Alarm Ultra Sonic Module Unit 6980090
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8663284
BMW F20 F30 F31 LCI B38 ECU Basic DME Control Unit Automatic Gearbox 8663284
€313.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9124585-SED
BMW E87 E90 PDC Parking Sensors Ultrasonic Set x2 Sedonarot - A79 9124585
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9313616
BMW F30 F31 Driver's Side Door Wiring Electrical Loom Harness Cable 9313616
€56.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9115107
BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9243781
BMW F12 F12 LCI Hi-Fi Audio System Amplifier Harman Becker 9243781
€165.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9274276
BMW F07 Gran Tourismo Headlight Footwell Light Control Module FRMIII 9274276
Promo price
€51.95
€31.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6960219
Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Left N/S Control Unit 6960219
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9861558-1
Rain Sensor BMW F20 F21 F30 F31 Windscreen Light Solar Condensation Unit 9861558
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9114342
Distance Control Sensor BMWE81 E87 E90 PDC Parking Sensor Montego Blue 9114342
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9124585-SED1
BMW E87 E90 PDC Parking Sensor Ultrasonic Set x4 Sedona Rot - A79
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7561834-14
BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Key Automatic
€517.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9192124
BMW Z4 E89 Power Distribution Box Control Unit Module With Fuse 9192124
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 7634058
BMW F20 F30 Engine Automatic Gearbox Module Wiring Cable Loom Harness 7634058
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6960308
BMW 1 Series E88 Convertible Rear Bumper FM Radio Aerial Antenna 6960308
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9287530
BMW 1 Series F20 Control Unit Air Conditioning A/C Module 9287530
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9286236
BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286236
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8693213-1
BMW F30 LCI 330e B48X Engine Control Unit ECU Kit DME 8693213 FEM Key Automatic
Promo price
€740.95
€444.57
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9296975
BMW X5 F15 Control Unit Bracket Boot Trunk Module Unit Mount Holder 9296975
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9255048
BMW 1 Series E81 E87 E87N Battery Wire Cable Negative Earth Lead 9255048 6929705
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7841705
BMW E60 M5 E63 E64 M6 V10 S85 Hall Sensor 7836160
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8802918
BMW F20 F30 Mini F55 F56 Radio Remote Control Receiver 434 MHZ 8802918
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6772102
BMW X5 X6 E70 E71 Holder Bracket Actuator Unit 6772102
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9201980
BMW F01 F02 F07 F10 F11 F12 F13 G11 LCI Battery Power Dividing Element 9201980
€85.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8380409
BMW X5 E53 Fuse Distribution Box Relay Board 6907395 8380409 6909721
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7621168
BMW F20 F21 F30 F31 Earth Cable Battery Engine N47N N13 7621168
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 1439559
BMW X5 Series E53 Battery Cable Plus Pole 1439559
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8514120
Preheating Control BMW F20 F21 F30 F31 LCI B47 Glow Plug Unit Diesel 8514120
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9251487-1
BMW E88 Cabrio Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487
€170.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9347822
Head Unit BMW F10 F11 F20 F30 Navigation Sat Nav High Control Module 9347822
€189.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8654977
BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8654977
Promo price
€175.95
€105.57
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 6843898
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 6843898
Promo price
€132.95
€79.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9240508
Fuse Map BMW X5 X6 E70 E71 Assignment Grouping Card 9240508
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8573260-7
BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 Key FEM Lock Manual
Promo price
€441.95
€265.17
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6856980
BMW F01 F10 F11 F30 F31 AHK Towing Hitch Tow Bar Control Module Unit ECU 6856980
Promo price
€113.95
€96.86
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8576333-1
BMW F10 F11 520d X3 F25 20dX N47N 184HP ECU Kit DDE 8576333 Key CAS4 Automatic
Promo price
€218.95
€131.37
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8714478
BMW F40 Door Wiring Cable Harness Loom Rear Left Right N/O/S 8714478
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 1421295
Mini EGS Control Unit Module ECU Programmed 5 Pins 1421295
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7290727
Battery Cover BMW X1 F48 X2 F39 Mini Countryman F60 Upper Panel 7290727
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9313638
BMW F30 F31 F80 M3 Front Passenger Wiring Loom Harness Cables 9313638
€42.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6907520
BMW 5 X5 Series E39 E53 Dual Band Cable Compensator Hands Free Phone 6907520
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8512499-10
BMW X1 E84 18d N47 ECU Engine Control Unit Kit DDE 8512499 CAS3 + Key Manual
Promo price
€199.95
€119.97
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9128573
BMW 1 Series E87 LCI E87N Cable Set PDC Front Wiring Loom 9128573
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6953424-2
BMW Z4 Series 2 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9124583-KAS
BMW E87 E90 Front Rear PDC Ultrasonic Parking Sensor Kaschmir Silver A72 9124583
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6854031
BMW F01 F02 F03 F07 F10 F11 F12 LCI Active Steering Control Unit Module 6854031
€165.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8583653
BMW F10 F30 F31 LCI N57N Wiring Harness Engine Glow Module 8583653
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9117801
Battery Bracket BMW X3 G01 X4 G02 Rear Holder Mount Carrier Support 9117801
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9383182
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9383182
Promo price
€199.95
€169.96
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6856747
BMW F10 F20 F30 Tow Bar Trailer Towing Control Module Unit AHM 4 6856747
€137.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8507902
Engine Wiring BMW F20 F21 F22 F30 F31 F34 F32 F33 F36 Harness Loom 8507902
Promo price
€66.95
€56.91
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7624617-1
BMW F20 F21 F30 F31 F32 Cable Alternator Starter Base B 7624617
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9286785
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9286785
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5A374F9
BMW F40 Radio CD Player Head Unit Navigation Sat Nav CIC Alpine 5A374F9
€450.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6949922
BMW 3 5 E46 E61 Touring Amplifier Soft Antenna Suppression Filter 6949922
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6982652
BMW 1 Series E82 E88 Positive Battery Lead Cable Wire 61126982652 6982652
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9140942-BAR
BMW 1 3 Series E87 E90 E91 LCI Rear PDC Ultrasonic Parking Sensor Barbera Red
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9226881
BMW 1 Series F20 F20N F21 F21N LCI Radio Aerial Antenna Amplifier AM/FM 9226881
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9303594
BMW Z4 E89 Anti Theft Alarm System Module Control Unit DWA 9303594
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8632692
BMW X5 F15 N20 Petrol Wiring Harness Transmission Gearbox Module Cable 8632692
Promo price
€175.95
€105.57
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9187647
BMW E82 E90 E92 LCI Antenna Amplifier Diversity 9187647
Promo price
€89.95
€53.97
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 .