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
Part no. 8736162
Head Unit BMW F20 F21 F22 F30 F31 F82 LCI Sat Nav Radio Media Navigation 8736162
€398.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9119447
Fuse Box BMW E90 E91 E92 Front Power Distribution 9119447
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8635811-1
BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables 8635811
Promo price
€89.95
€76.46
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6906914
BMW X5 E53 Battery Cable Negative Wire 6919976
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 167859
BMW X5 Series E53 Widescreen Motorway and Trunk Road Unit Module 167859
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8600358
BMW F20 F30 LCI MINI F55 F56 Integrated Relay Supply Module 8600358
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 7552176-8
BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME 7552176 Manual Gearbox
Promo price
€170.95
€102.57
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 5A5D3C0
Keyless Entry BMW F40 G20 G21 G30 G31 Comfort Access Antenna 5A5D3C0
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7839662
BMW E90 E92 E93 LCI Cable Alternator Starter Base B 7839662
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 3452166
BMW X3 E83 Air Module Control Unit ECU 3452166
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8507981
BMW F07 GT F10 F11 Engine Wiring Loom Harness Cables M57Z Diesel 8507981
Promo price
€184.95
€110.97
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9181455
BMW X1 Series E84 Antenna Aerial Noise Suppression Filter 9181455
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8510221-13
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 Automatic
Promo price
€189.95
€113.97
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7560377
Cable Alternator BMW E81 E82 E87 E88 E90 E91 LCI Starter B+ 7560377
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-15%
Part no. 7199997
BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 7199997
Promo price
€47.95
€40.76
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8612578
BMW F45 HV Accumulator Battery Negative Ground Cable Wiring Plug 8612578
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 7801711-1
BMW X3 E83 2.0d M47N2 Engine Control Unit Module ECU DDE 7801711 Manual
Promo price
€227.95
€136.77
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9362445
BMW F20 F21 F22 Audio Amplifier Harman Kardon Active Sound Design Unit 9362445
€104.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7849627
BMW F80 M3 F82 M4 Engine Valvetronic Wiring Cable Loom Harness 7849627
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8372204
BMW X5 Series E53 Control Element Light Switch 61318372204 8372204
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9348763
BMW 3 4 Series F30 F80 M3 F82 M4 Battery Cable Lead Positive Underfloor 9348763
€113.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9337200
BMW 4 Series F32 F32N LCI Cable Loom Door Driver's Side Wiring Harness 9337200
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6819329
KaFAS Camera BMW i3 I01 F10 F20 F30 LCI Speed Control ECU Module Unit 6819329
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9302937
BMW F01 LCI Cable Door Rear Left Right N/O/S Wiring Harness 9262882
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 6822077
BMW F20 F21 F22 F30 F31 Head Unit Basic Media Navigation Headunit 6822077
Promo price
€70.95
€42.57
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 1543906
BMW G30 G31 X3 G01 X4 G02 G11 G32 Control Unit SAS Module ECU 1543906
€284.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8582155-3
BMW F20 F30 F32 120dX 320dX 420dX 184HP N47N Engine ECU 8582155 Automatic
Promo price
€66.95
€40.17
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9300859
BMW X5 F15 Fuel Tank Cable SCR AdBlue Unit Adapter Wiring Harness Diesel 9300859
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9177773
BMW F01 F07 F10 F11 Battery Power B+ Distribution Box Rear 9177773
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9346799
BMW F01 F02 LCI F10 Diversity Aerial Antenna Amplifier DAB 9346799
Promo price
€47.95
€40.76
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 6943285
BMW E65 Xenon Headlight Control Module LM E6X LWR 6943285
Promo price
€51.95
€31.17
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9247470
BMW E90 LCI Junction Box Body Control Module Unit 9247470
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8514291
Battery Cable BMW X3 F25 X4 F26 B47 Alternator Starter Base B Cable 8514291
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7514342-1
BMW 5 Z4 Series 1 E34 E85 Base B Terminal Point Engine Compartment 7514342
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8624382
BMW 1 3 Series F20 F30 F31 LCI Line Cable Power Distribution Module 8624382
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7624412
BMW 1 3 Series F20 F21 F30 Cable Alternator Starter Base B Wire 7624412
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9290013
BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 9290013
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8518424-1
BMW F20 F30 118d 318d N47N 143HP Engine Control Unit ECU DDE 8518424 Manual
Promo price
€108.95
€65.37
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 9873895
BMW F40 Crash Control Unit Air Module ECU Continental 9873895
Promo price
€123.95
€74.37
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8612582
BMW F45 Mini F60 HV Accumulator Battery Positive B+ Cable 8612582
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9181378
Electronics Charging BMW E60 E87 E90 E91 Hands Free Module MULF2 9181378
€61.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8573257
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Module ECU DDE 8573257 Manual
Promo price
€113.95
€68.37
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8507918
BMW F20 F21 N47S1 Engine Wiring Harness Injector Module Loom Cable 8507918
Promo price
€104.95
€62.97
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9270392-2
BMW F20 F21 F22 Central Information Display Dashboard Screen 6,5" 9270392
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 1388277
BMW E39 E46 E60 E61 E83 E90 E91 Switch Glove Box Light
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9270500-SCH
BMW X3 Series E83 LCI Front PDC Ultrasonic Parking Sensor Black 9270500
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. X3 E83 Rear Wiring Loom PDC-1
BMW X3 Series 1 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9488417
Mini F60 BMW F48 SCR AdBlue Module Control Unit 9488417
€47.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6878191
Air Module BMW F01 F02 LCI F10 F11 F13 ECU ICM Control Unit 6878191
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7601305
BMW F10 F11 LCI F13 N63 N63N Petrol Water Pump Adapter Lead Cable Wiring 7601305
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8612583
BMW F45 Mini F60 HV Accumulator Battery Positive B+ Cable Ground 8612583
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8506434-4
BMW E81 E84 E87 E90 LCI 18d 118d 318d N47 ECU Kit DDE 8506434 CAS3 Key Automatic
Promo price
€251.95
€151.17
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8387568
BMW 7 Series E65 E66 Battery B Engine Compartment Terminal Point 8387568
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 6772742
BMW 3 4 Series F80 M3 F82 M4 Control Unit Active Sound Design 2622362
Promo price
€222.95
€133.77
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6907329
BMW E65 Door Cable Guide Rear Left N/S Wiring Loom Bracket Trim Cover 6907329
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. P0148459-IB1
Mini Cooper One 1 R50 Fuel Filler Cover Fill In Flap Indi Blue Metallic 862
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7572873
BMW Z4 E85 E86 Battery Holder Hold Down Bracket 7572873
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9307421
Camera Control Unit BMW F20 F21 F30 F31 KaFAS 2 Camera Module ECU 9307421
Promo price
€66.95
€56.91
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7547141
BMW E82 E84 E87N E88 E90 E91 E92 E93 E93 E-box fan 7547141
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 6960428
BMW 3 5 6 Series E60 E61 E63 E64 E90 E91 FBAS Analog Video Module Unit 6960428
Promo price
€225.95
€135.57
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7524843
BMW E81 E82 E83 E84 E85 E87 E90 Petrol Denso Starter Motor 7524843
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6935667-1
BMW Z4 Series E85 Roadster Battery Lead Positive Cable Plus Pole 6935667
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9124952
BMW 3 Series E90 E91 E92 E93 LCI Cable Duct Battery Lead Rear 9124952
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 6957109
BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 6957109
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9354758
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK Mid 9354758
€37.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9188377
BMW F01 KaFAS Camera Front Windscreen Lane Departure Camera Module 9188377
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6858698
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6858698
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 1388911-1
BMW E36 E38 E85 Mini R52 R57 2x Change-Over Contact Relay Violet Set 1388911
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8517874-6
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM + Lock Manual
Promo price
€218.95
€131.37
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9247088
BMW X1 Series E84 Wiring Loom Harness Passenger Side 9233559
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 7410612
BMW F34 GT Tailgate Lift Module Rear Boot Trunk Lid Control Unit ECU F005V01708
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9315130
Door Wiring Harness BMW F25 Rear Left Right Door N/O/S Wiring Loom 9315130
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9187541-1
BMW E88 ECU Body Control Module H3 PL2 JBBFE II Junction Box 9187541
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6924389
BMW Z4 Series E85 E86 Battery Positive Cable Fuse Box B Base 6924389
Promo price
€25.95
€24.65
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 9223682
BMW X5 X6 Series E70 E71 Dashboard Onboard Monitor Display Screen 8,8" 9223682
Promo price
€132.95
€79.77
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7948144
BMW F40 F44 Seat Occupancy Mat Control Unit Sensor 7948144
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8512047
BMW E90 E91 LCI N47N 320d ed ECU KIT DDE CAS 3 Key 8512047 Manual
Promo price
€165.95
€99.57
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6826201
Junction Point BMW X5 F15 X6 F16 B + Battery Power Distributor 6826201
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8606306-6
BMW F30 320i N20 184HP ECU Kit Engine Control Unit DME 8606306 Key FEM Automatic
Promo price
€569.95
€341.97
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6821407
High Voltage Cable BMW F45 Mini F60 Hybrid Harnes EDH 6821407
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-15%
Part no. 3424581
BMW X3 Series E83 Airbag Control Unit Module ECU 65773424581 3424581
Promo price
€36.95
€31.41
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9228495
BMW F07 GT ECU Body Control Module Junction Box V12 PL2 JBBFE III 9228495
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 9365837
BMW F20 F21 F22 F30 F31 Head Unit Basic Media Headunit 9365837
Promo price
€218.95
€131.37
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 7823420
BMW E60 E87 E90 LCI N47 120d 320d 520d ECU Control Unit DDE 7823420
Promo price
€113.95
€68.37
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7560626
BMW X3 Z4 E83 LCI E85 E86 Power Distribution Module Fuse Box 7560626
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7160897
BMW X5 E53 E60 E61 E65 E81 E87 E90 E91 Turn Indicator Silver Bulb 7160897
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8605456
Engine Wiring BMW F21 F30 LCI F36 N20 Loom Module Harness Cable 8605456
Promo price
€42.95
€36.51
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7516376
BMW E65 E66 E67 Electric Valve 735i 745i 735Li 745Li 745LiS 7516376
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 6871062
BMW F01 F07 F10 F12 VDC Module Rear Suspension Level Control Unit 6871062
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7510646
BMW 7 Series E65 E66 E67 Ventilation Hose E-Box Fan 7510646 12907510646
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 6937515-9
BMW E87 E90 E91 Radiator Fan Cable Harness Loom Wiring 6937515
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9188853
BMW X5 E70 X6 E71 Battery Earth Cable Ground - Pole Lead L= 490MM 9188853
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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 .