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. 6929554
BMW E65 E66 Door Air Module Sensor Control Unit Front Right O/S 6929554
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9291956
BMW 1 Series F20 F20N LCI Front Door Wiring Loom Harness Driver Side 9291956
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6951368
BMW X5 E70 Amplifier Holder Audio Catch Bracket Trim Panel 6951368
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 7304589
BMW F01 F02 Headlight Module LEAR TMS Headlamp Control Unit Module 7304589
€66.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6971353
BMW X3 E46 E83 Navigation Computer GPS System DVD Player Unit 6971353
€104.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9367812
Active Sound Design Module BMW F20 F21 F30 Harman Becker Control Unit 9367812
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9257366
BMW 5 7 Series F01 F10 LCI Aerial Antenna Amplifier Diversity 868 MHZ 9257366
Promo price
€42.95
€25.77
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8631656
BMW F20 F21 F30 LCI M140i 340i Wiring Harness Motor Sensor System Module 8631656
€156.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6909776
BMW X5 Series E53 Control Element Light Switch 6909776
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6956744-1
BMW E81 E82 E87 E88 E90 E91 Parking Sensor PDC Sydneyblau - A19 6956744 SET X2
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8512499-1
BMW E81 E87 E90 E91 LCI N47 143HP Diesel ECU Kit DDE 8512499 Manual
Promo price
€132.95
€79.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6919759
BMW E65 E66 E67 Control Unit Front Centre Console Module 6919759
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9124585
BMW 1 3 Series E87 E90 Front Rear PDC Ultrasonic Parking Sensor Sedonarot Red
Promo price
€26.95
€25.60
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9184209
BMW X5 E70 X6 E71 Battery Cable Negative Battery Lead IBS 9184209
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 3417586
Electronic Box BMW X3 E83 LCI 2.5si 3.0si N52N Control Unit Mount Holder 3417586
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8577839-1
BMW F32 F33 430d N57N 258HP Engine ECU DDE Kit 8577839 FEM + Key Automatic
Promo price
€189.95
€113.97
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 2622892
BMW 1 2 Series F20 F21 F22 F23 Control Unit Module Active Sound Design 2622892
Promo price
€142.95
€85.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6974372
BMW 7 Series 7 E65 E66 E67 Ultra Sonic Module
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 6807322
Positive Cable BMW F90 M5 G30 Battery Wire Lead Underfloor Wiring 6807323
Promo price
€89.95
€53.97
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8793253
BMW X3 G01 Rear Right O/S Door Wiring 8793253
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9210105
BMW 5 Series F07 GT Gran Turismo Door Wiring Loom Cable Harness 9210105
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9111165-PB
BMW E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Platinbronze A53 9111165
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8506373
BMW X3 Series E83 LCI 1.8d N47 Engine Control Unit ECU Module DDE 8506373 Manual
Promo price
€227.95
€136.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7520912
BMW E60 E61 E63 E64 LCI Cover Electronic Box 7520912
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6974890-MYS
BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Mysticblau Blue - A07
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8635815
BMW F20 F30 LCI 118i 318i B38 Gearbox Wiring Loom Harness Cable 8635815
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9149843
BMW E81 E87 LCI E90 Hands-Free Bluetooth Module High MULF2 9149843
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7172536
BMW F01 F10 F11 F20 F21 E90 LCI Control Unit Xenon Light 7172536
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 6825538
Comfort Module Unit BMW F20 F21 F30 F31 F32 Body Control FEM ECU LR01 6825538
Promo price
€75.95
€45.57
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9890599
BMW F90 M5 G11 G30 Air Module Crash Control Unit 9890599
Promo price
€189.95
€113.97
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 7191362
BMW 3 E93 Cable Wiring Loom Harness Hydraulic Pump 7120204 7191362
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9286249
BMW 3 Series F30 F31 Rear Door Wiring Loom Cable Harness 9286249
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9208452
Wiring BMW F07 Front Bumper PDC Wiring Park Assist Sensor Harness 9208452
Promo price
€70.95
€42.57
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6938221
BMW 3 Series E90 E91 Wiring Loom Front Door Left Passenger Side 6938221
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7608801
Valve Cable BMW F20 F21 F30 F31 Petrol N13 Valve Tronic Wiring Harness 7608801
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8617551-5
BMW F20 F21 125i N20 218HP ECU Control Unit Kit DDE 8617551 Key FEM Automatic
Promo price
€474.95
€284.97
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9139895
BMW F20 F21 F30 F31 Mini F56 Navigation Head Unit Basic Media Player 9139895
€113.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 7856819
Battery Cable BMW F90 M5 F91 M8 Wire Lead Positive Alternator Starter B+ 7856819
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9326437
BMW F30 F31 Wiring Passenger Loom Front Door Cables Harness 9286241
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9340998
BMW 1 2 Series F21 F22 Wiring Passenger Side Loom Front Door Left N/S 9340998
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6932644-1
BMW 3 5 Series E60 E71 E90 E92 Suppression Filter Aerial Module Antenna 6932644
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9244429
BMW X6 Series E71 Rear Bumper PDC Cables Wiring Loom Set 9244429
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9142218
BMW X3 E83 LCI PDC Parking Ultrasonic Sensor Silver Grey 9142218 9139866
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9364669
BMW F10 F11 LCI Active Sound Unit Control Module Design Amplifier 9337754
Promo price
€61.95
€37.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7835872
BMW 5 Series E60 E63 E64 Carrier Holder Amplifier/Video Module Fairing EDC
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 2990911
BMW X1 Series E84 Carrier Bracket Holder Control Module Unit 2990911
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6950525-1
2 x BMW E63 E64 E93 Alarm System Module Sensor DWA Control Unit Set 6950525
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9267456
Control Unit BMW F10 F11 Body Module ECU JBBFE IIIR V2 PL6 ECU 9267456
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9122432
BMW E60 E61 LCI X5 E70 X6 E71 X3 F25 Rain Light Solar Sensor 9122432
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7638192
BMW F20 F21 F30 F31 N13 Petrol Engine Starter Motor Bosch 7638192
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9282072
BMW 5 Series F10 F11 Cable Loom Door Passenger Side Wiring Harness 9256002
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8631637
Earth Ground Cable BMW i3 I01 Battery Starter Terminal Wiring 8631637
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8385498-1
BMW 7 Series E65 E66 E67 Support Bracket Navigation Computer 8385498
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9217234
Module Bracket BMW X3 F25 X4 F26 Control Unit Holder Carrier 9217234
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6964263
BMW 3 Series E93 E93N Cabrio Module Bracket Holder CTM 6964263
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8510221-3
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
€151.95
€91.17
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8585727
Wiring BMW F21 F30 F34 F36 Diesel N47N Engine Gearbox Module Harness 8585727
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
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 3 – 6
If paid before 14:00
-40%
Part no. 9148267
BMW 3 Series E93 Seat Control Unit Module FSV 7.11.0 9148267
Promo price
€94.95
€56.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9282069
BMW 5 Series F10 F11 Cable Loom Front Driver's Door Wiring Harness 9255986
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8630168
BMW 3 F30 LCI 330e Hybrid Charging Control Unit Bracket Holder Mount 8630168
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 7839665
BMW E90 E92 E93 LCI M3 S65 Cable Alternator Starter Wiring 7839665
Promo price
€75.95
€45.57
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9330951
Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 9330951
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9244426
BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 9219647
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8373700-3
BMW E60 E63 E87 E90 E91 5X Relay Make Contact White Green Set 8373700
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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 3 – 6
If paid before 14:00
-5%
Part no. 9279824
Body Control BMW F20 F21 F30 F31 F32 Unit Module REM 9279824
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8615581
BMW 3 F30 LCI 330e B48X Control Unit Bracket Holder Mount 8615581
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8626172-8
BMW F10 LCI 520i N20 184HP Engine Control ECU Kit DDE 8626172 Automatic
€313.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8509722
BMW 1 Series F20 F21 F22 F30 F31 F35 Control Unit Box Engine 8509722
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6935599
BMW 1 3 Series E81 E87 E90 PDC Parking Ultrasonic Sensor Red Japanrot Japan Red
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 7805349-3
BMW X3 E83 LCI M47N2 2.0d 150HP Engine Control ECU Kit DDE 7805349 Manual
€303.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6807487
Fuse Box BMW G20 X3 G01 Power Distribution Control Unit Module Front 6807487
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 1393415
BMW 3 5 7 Series E36 E38 E90 E91 F10 F11 Change-Over Contact Relay Grey 1393415
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9316576
BMW 3 Series F30 F31 Battery Cable Wire Lead Positive Underfloor 9316576
Promo price
€94.95
€56.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9266328
ICM Module BMW F07 GT F01 F02 F03 F04 Air Module Control Unit ECU 9266328
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9326452
Door Wiring Harness BMW F34 Rear Left Right Door N/O/S Wiring Loom 9326452
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9225831
BMW F07 Left N/S Central Bass Loud Speaker Stereo System Unit 9164581
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9313992
BMW F13 Front Seat Control Module Unit ECU Left Right N/O/S 9313992
Promo price
€51.95
€31.17
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 5A2D542
BMW F40 Body Control Module Domain Controller Unit BDC ECU 5A2D542
€165.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6928975
Door Wiring Loom BMW E63 E64 Harness Passengers Side 6928975
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8650701-1
BMW F80 M3 F82 F83 M4 S55 431HP Engine Module ECU DME Kit 8650701 Automatic
€1,125.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6958447
BMW 7 Series E65 Control Unit Door Rear Passenger Side Hinten Low BFT 6958447
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6971884
BMW X5 X6 Series E70 E71 Front Central Bass Subwoofer Speaker HiFi 6971884
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 7583740
BMW Z4 E89 Earth Battery Cable Wiring Loom Harness Line 7583740
€23.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8574095
BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8574095 Manual
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9167237
BMW E92 F32 E61 Seat Belt Module Control Unit LCPA ECU 9167237
€23.95
Free delivery: Feb 3 – 6
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 .