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. 9234424
BMW F10 F11 Fuse Box Power Distribution Control Unit Box Rear 9234424
PLN 66.95
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 7809955-4
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
Promo price
PLN 2,612.95
PLN 1,567.77
Free delivery: Mar 03
If paid before 14:00
Part no. 6982056
Telematics Module BMW E60 E87 E90 Bluetooth Control Unit 6982056
PLN 75.95
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 8585933
Wiring Loom Harness BMW F20 F30 F36 LCI B47 Engine Gearbox Module 8585933
Promo price
PLN 522.95
PLN 313.77
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 9315080
BMW X3 F25 Window Lifter Switch Driver's Side Wiring Harness Loom Cable 9315080
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 6977398
BMW 5 6 Series E60 E61 E63 R55 R56 Sensor B-pillar Airbag 65776977398 6977398
Promo price
PLN 13.95
PLN 13.25
Delivery: Mar 03
If paid before 14:00
-40%
Part no. 8510591-7
BMW X1 E84 2.0d N47 177HP sDrive Engine Control Unit ECU DDE 8510591 Manual
Promo price
PLN 807.95
PLN 484.77
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 9243667
BMW X3 F25 X4 F26 Rear Door Left Right N/O/S Wiring Loom Cables Harness 9243667
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
Part no. 8789891
BMW F87 M2 LCI Electric Front Bumper Wiring Harness PDC Loom Cable 8789891
PLN 474.95
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 9298936
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9298936
Promo price
PLN 170.95
PLN 145.31
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 9330952
BMW F13 F12 Air Control Module Control Unit ACSM4 9330952
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
Part no. 9231283-BS
BMW X5 E70 F10 PDC Parking Sensor Distance Control Sensor Black Sapphire - 475
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 6773532
BMW E60 E61 E63 E64 E65 E66 Dynamic Drive Control Unit Module 6773532
PLN 42.95
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 7572873
BMW Z4 E85 E86 Battery Holder Hold Down Bracket 7572873
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
Part no. 7577068-2
BMW E90 E91 E92 N52N 325i 218HP Engine ECU Kit DME 7577068 CAS3 Key Automatic
PLN 1,709.95
Free delivery: Mar 03
If paid before 14:00
Part no. 9206936
BMW F12 Antenna Aerial Noise Suppression Filter Control Unit Right O/S 9206936
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7419610-1
BMW F30 F31 LCI Headlight LED Module Insert Light Source Control Unit 7419610
PLN 142.95
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 9380323
BMW 5 Series F10 Steering Column Module Electronic Control Unit ECU 9380323
Promo price
PLN 265.95
PLN 159.57
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 7678321
BMW X4 F26 Harness Wiring Cable Loom 7678321 767832-113
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 6960220
Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Right O/S Control Unit 6960220
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
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
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
-40%
Part no. 8511372-2
BMW F01 F07 530d 730d N57 Engine Control ECU Kit DDE 8511372 CAS4 Key Automatic Gearbox
Promo price
PLN 1,187.95
PLN 712.77
Free delivery: Mar 03
If paid before 14:00
Part no. 9264974
BMW E81 E82 E87 E88 E90 E91 Front Seat Control Module 9264974
PLN 332.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 3405815
BMW X3 Series E83 E83N Inclination Indicator Alarm System 65753405815 3405815
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-40%
Part no. 7644747
BMW F10 F11 F30 Petrol N20 ECU DME Engine Control Unit Module 7644747 Manual
Promo price
PLN 1,709.95
PLN 1,025.97
Free delivery: Mar 03
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
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 8573260-2
BMW F20 F21 116d ed Diesel N47N 116HP Engine Control Unit DDE 8573260 Manual
Promo price
PLN 161.95
PLN 97.17
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 9226880
BMW F20 F21 Radio Aerial Antenna Amplifier AM/FM Control Unit Module 9226880
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
Part no. 6986879
BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6986879
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 9227238
BMW E93 LCI Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9227238
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 8593105
BMW G30 G11 G14 Diesel B57 Wiring Glow Plugs Module Wiring Harness 8593105
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 8685853
BMW F40 X1 F48 Mini F55 F56 F60 Engine Injector Wiring Loom Harness 8685853
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00
Part no. 8367094
BMW E65 Fuse Box Relay Unit Control Module Connector Box 8367094
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
Part no. 6942100
BMW E60 Air Module Control Unit Gateway Sensor B Pillar Right O/S 6942100
PLN 42.95
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 8240500
Wiring Loom Cable BMW E46 X5 E53 X3 E83 Seat Occupancy Sensor 8240500
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 8657232
Engine Wiring BMW F87 M2 N55 Petrol Loom Module Harness Cable 8657232
Promo price
PLN 664.95
PLN 565.21
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 9286941
BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9286941
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 6837092
BMW G30 G12 Fuse Relay Box Rear Trunk Power Distribution B + Box Basis 6837092
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 7621178-5
BMW E81 E87 LCI E90 N43 118i 318i Engine Control ECU DME Kit 7621178 Automatic
Promo price
PLN 1,424.95
PLN 854.97
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 8579480-1
BMW F20 120d F30 320d F10 520d N47N 184HP Engine Control Unit DDE 8579480 Manual
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 9168336
BMW X1 E84 Diversity Aerial Antenna Amplifier DAB 9168336
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 6946400
BMW E60 E61 Air Module ECU Control Unit Centre Sensor 6946400 6963024 6952993
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 9247088
BMW X1 Series E84 Wiring Loom Harness Passenger Side 9233559
Promo price
PLN 65.95
PLN 62.65
Free delivery: Mar 3 – 4
If paid before 14:00
Part no. 6948048
BMW Z4 E85 Front Door Wiring Loom Cable Right O/S Harness 6948048
PLN 85.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 8509910
BMW X3 F25 X4 F26 Engine Electronics Control Unit Box Cover Trim 8509910
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 9259831
BMW E93 Convertible Wiring Loom Front Door Cables Cable Passenger Side 9186668
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 9240083
BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9240083
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 8574091
BMW F10 F11 520d N47N 184HP Engine Control Unit ECU DDE 8574091 Automatic
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 6944500
BMW 5 6 Series E60 E61 E63 Driver's Side Door Airbag Control Unit Module 6944500
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 9291964
BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9291964
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
Part no. 8635808
Engine Wiring BMW F20 F30 F31 LCI B38 Loom Module 2 Harness Cable 8635808
PLN 332.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 6900583-1
BMW 7 Series E65 E66 Cable Wire Power Distribution Box 6900583
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 3 – 4
If paid before 14:00
-40%
Part no. 7552176-7
BMW Z4 E85 2.0i N46 150HP ECU Engine Control Kit DME 7552176 CAS2 Key Manual
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00
Part no. 6934529
BMW X3 X5 Series E53 E83 EWS III Central Locking Immobilizer Module ECU 6934529
PLN 75.95
Free delivery: Mar 03
If paid before 14:00
Part no. 7533837
BMW 5 6 7 E60 E61 E63 E65 N62 N62N Alternator Supporting Bracket Mount 7533837
PLN 474.95
Free delivery: Mar 3 – 4
If paid before 14:00
-5%
Part no. 9130047
BMW E92 F32 E61 LCPA Seat Belt Module ECU
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 6941445
BMW E63 E64 Bluetooth Cable Hands Free Telephone Microphone Unit 6941445
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-15%
Part no. 2622610
Bluetooth Module BMW F10 F20 F23 F30 Teleservices GPS Telematics Control 2622610
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
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
PLN 3,324.95
PLN 1,994.97
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 9206056-TS
BMW F07 GT Rear PDC Parking Distance Sensor Titan Silver - 354
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
Part no. 6809052
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 6809052
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 9180402
BMW E90 Front Sport Seat Lumbar Wiring Loom Harness Cable 9180402
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 8584817
BMW G20 G21 G01 G02 Wiring Harness Engine Glow Plug Module 8584817
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 9277818
Antenna Amplifier BMW F23 Cabrio FM Radio Booster Unit Module 9277818
Promo price
PLN 51.95
PLN 44.16
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 7075944-2
BMW E60 E65 E70 Front Right Seat O/S Height Adjustment Drive 7075944
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
Part no. 9365305
BMW F20 F21 F22 F30 Telematics Comunication Control Module Unit ECU 9365305
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 9297897
BMX X4 F26 X6 F16 Cental Woofer Speaker Audio Unit Left Right N/O/S 9297897
PLN 113.95
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 9244426
BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 9219647
Promo price
PLN 218.95
PLN 186.11
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 8507912
BMW F30 F31 Engine Wiring Loom N47N Harness Automatic Gearbox 7549282
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 9244144
BMW E82 E88 E92 E93 LCI Accelerating Sensor 9244144
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00
Part no. 8639595-12
BMW F30 F31 F32 328i 428i N20 245HP Engine Control ECU DME 8639595 Automatic
PLN 949.95
Free delivery: Mar 03
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
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00
Part no. 9289248
BMW F10 M5 F12 F13 M6 Radio Player CD Navigation ECE Navi Head Unit 9289248
PLN 522.95
Free delivery: Mar 03
If paid before 14:00
Part no. 8519009
BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU DDE 8519009 Manual
PLN 379.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 6946108
BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 6946108
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 7928682
Radio Receiver BMW F40 F44 G20 G26 Radio Remote Control Unit 434 MHZ 7928682
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 6920292
BMW 7 Series E65 Cable Harness Loom Front Door Wiring Left Right N/O/S 6920292
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 9153135
BMW F01 F02 F03 Holder Bracket Control Unit Amplifier 9153135
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 9315151
BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9315151
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 8517862-5
BMW F10 F20 F30 520d 120d 320d N47N 184HP Engine Unit ECU DDE 8517862 Automatic
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 9212916
BMW 5 7 X5 E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor 9212916
Promo price
PLN 47.95
PLN 40.76
Delivery: Mar 03
If paid before 14:00
-40%
Part no. 8573257-1
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8573257 Automatic
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 6950525
BMW 3 6 Series E63 E64 E93 DWA Alarm System Module Unit 65756950525 6950525
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
Part no. 8506375-1
BMW E81 E87 E90 LCI 118d 318d N47 Diesel ECU KIT DDE CAS3 Key 8506375
PLN 332.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 4030026
BMW Z4 E85 Xenon Headlight Resistor Ballast Relay Module Unit 4030026
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 8602802
BMW i3 I01 Hybrid Rex Engine Wiring Cable Harness Bracket Mount Trim 8602802
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 9289587
BMW 2 X1 Series F45 F48 Radio Antenna Amplifier Suppression Filter 9289587
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
Part no. 9348356
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9348356
PLN 569.95
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 9241826
On Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9241826
Promo price
PLN 379.95
PLN 322.96
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 9273630
BMW F13 Footwell Light Module Control Unit ECU FRM3 9273630
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 8638551
BMW F20 F21 F22 F30 F32 LCI Integrated Supply Module Unit 8638551
Promo price
PLN 113.95
PLN 108.25
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 6789514
BMW X6 E71 ICM Integrated Chassis Management Control Unit Brakes 6789514
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 9244392
BMW F10 ECU Body Control Module V2 PL6 JBBFE III Junction Box 9244392
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 7296108
BMW 4 Series F32 F82 M4 Rear Third Stoplamp Stop Lamp Brake Light White 7296108
Promo price
PLN 65.95
PLN 62.65
Free delivery: Mar 03
If paid before 14:00
Part no. 6937515-9
BMW E87 E90 E91 Radiator Fan Cable Harness Loom Wiring 6937515
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 9252819
BMW F01 F07 F10 F11 F12 Camera Module Based Assist Systems Control Unit 9252819
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 9210135
BMW F07 GT Rear Door Wiring Loom Cable Harness 9210135
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 6866990
Airbag Module BMW F01 F02 LCI F10 F11 F13 Air Bag ECU ICM Control Unit 6866990
Promo price
PLN 132.95
PLN 113.01
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 6927706
BMW 5 6 Series E60 E63 E64 Tubing Duct Battery Cable Lead Positive Underfloor
Promo price
PLN 18.95
PLN 18.00
Delivery: Mar 03
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 .