Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
-40%
Part no. 9339274
CAS4 Module BMW F01 F07 F10 F11 F12 X3 F25 Key Reading Control Unit 9339274
Promo price
€66.95
€40.17
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9264975
BMW X5 E70 X6 E71 Front Seat Control Unit Module Memory ECU 9264975
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9367376
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9367376
Promo price
€66.95
€40.17
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8572426
BMW F30 F32 LCI 335dX 435dX Engine Injector Ignition Wiring Cable Loom 8572426
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 2753025
Mini Cooper R55 R56 R57 R58 Wiring Heated Seat Loom 2753025
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6933268
BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6933268
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6957330
BMW E60 E61 E63 Power Distribution Electrical Fuse Box 6957330
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 130002613
BMW 5 X5 7 Series E60 E60N E61 E65 E66 E67 E70 Drive Longitudinal Seat Adjust
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9153418-2
BMW F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 7273666
BMW F30 F31 F32 Rear Tailgate Smart Opener Upper Antenna 7273666
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 6993311
Seat Module BMW F20 F32 F33 Control Unit Front Left Right N/O/S 6993311
Promo price
€104.95
€62.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7174403-5
BMW E92 Coupe Rear Light Lamp Plug Socket Wiring Left N/S 6984754
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8380118
BMW E46 Amplifier Holder Audio Catch Bracket Mount Trim 8380118
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 6857208
Parking Distance Assistant BMW 20 F21 F30 F31 F36 Control Unit Module 6857208
Promo price
€42.95
€25.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9113064
BMW 5 Series E60 E61 LCI Centre Console Switch Cluster Control Unit ECU 9113064
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7804110
BMW 5 Series F10 F11 LCI Earth Cable Battery Cable 7804110
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 2751617
Mini R56 R57 Battery Valve Breather Vent Hose Pipe R55 2751617 1377745
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9878660
BMW F40 F44 Battery Terminal Negative Minus Cable Wiring IBS 9878660
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8387568-1
BMW E65 Battery B Engine Compartment Terminal Point Cover 8387568
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8039828
BMW X5 E70 Rear Bumper PDC Parking Sensor Cables Wiring Harness Loom Set 8039828
Promo price
€66.95
€40.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6939287
BMW E60 E61 E63 Air Module ECU Control Unit Centre Vehicle Sensor 6939287
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 7850995
Engine Wiring BMW F80 M3 F82 M4 S55 Inject Loom Cable Harness Injector 7850995
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8058634
Engine Wiring BMW X3 M F97 X4 M F98 Loom Harness Ignition Module 8058634
Promo price
€237.95
€142.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9153806
BMW F01 F02 Rear Heater Blower Motor Resistor 9153806
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 7612860
BMW F20 F21 F30 F31 F32 Battery Holder Bracket Supporting Rail 7612860
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9264573-2
BMW X1 E84 ECU Body Control Module Unit Junction Box H2 PL2RR JBBFE IIIR 9264573
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9166783-1
BMW X5 X6 E70 E71 Rear Seat Console Entertainment DVD Display Screen 9166783
€284.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7928648
BMW G30 LCI Radio Remote Control Receiver Module ECU Unit 434 Mhz 7928648
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 7391042
BMW F10 F30 X1 F48 Mini F54 Rear Tailgate Smart Opener Top Wire Sensor 7391042
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 6951629
BMW Z4 X3 E83 E85 Mini R50 DVD GPS Navigation System Computer 6951629
Promo price
€151.95
€91.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6925942
BMW E60 E61 Cable Loom Door Wiring Harness 6925942
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9306220
Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 3428557
BMW Z4 E86 Alarm System Ultrasonic Roof Control Module 3428557
Promo price
€75.95
€45.57
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6864204
ICM Module BMW F20 F21 F30 F31 Control Unit 6864204
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9337807
Door Speaker BMW F15 F16 Front Rear Loudspeaker HiFi Audio Speaker 9337807
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9314229
BMW F20 Front Electronic Module Body Control Unit FEM ECU 9314229
€284.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9266384
BMW 5 Series F10 F11 LCI Boardmonitor Central Information Display 7" 9266384
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8485065
BMW G11 G12 G14 G15 G16 G30 G31 G32 G38 Positive Battery Cable Wire 8485065
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9122100
BMW 1 Series E88 Mini Cooper R57 R59 Sat Nav GPS Antenna Amplifier 9122100
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6974373-1
BMW E81 E84 E87 E88 E90 Ultra Sonic Module Alarm System 9149671
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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 3 – 6
If paid before 14:00
Part no. 8576333-8
BMW F20 F30 F32 xDrive N47N 163HP Engine Control ECU Kit DDE 8576333 Manual
€165.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9304007
BMW G30 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 9304007
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9285505
Distribution Junction BMW X5 X6 F15 F16 Power Battery Control Unit 9285505
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8649179
BMW X5 F15 Positive Wiring Harness Cable Battery 8649179
Promo price
€89.95
€53.97
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 7939168
Rain Sensor BMW F20 F21 F30 F31 Windscreen Light Solar Condensation Unit 7939168
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9156654
BMW 3 Series E93 Rear Antenna Aerial Amplifier AM/FM 9156654
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9232063
BMW F30 Control Module Sensor 9232063
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9261111
BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear 9261111
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9337205
BMW F32 Door Wiring Front Door Right Loom Cable Wiring Harness 9337205
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9134280
BMW E81 E82 E87 E90 E91 Air Module Control Unit No Crash Data 9134280
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6957761
BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 6957761
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9231283-AZB
BMW E70 F10 F11 PDC Parking Sensor Ultrasonic Sensor Azurit Black - S34 9231283
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9157157
BMW E60 E61 E63 E64 Gateway Module Control Unit ECU 9157157
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9118611
BMW Z4 E86 Hifi Audio Sound AMP Amplifier Module 9118611
Promo price
€574.95
€344.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6910542
BMW 3 X3 Series E46 E83 Battery Cable Plus Pole Power Positive 6910542
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9267200-1
BMW E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. 9367700
BMW X6 F16 PDC Bumper Park Assist Wiring Harness Loom 9367700
€66.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7625998
BMW F20 F21 F22 F30 F31 F32 F33 Line Cable Power Distribution Module 7625998
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9118931
BMW E60 E61 LCI Airbag ECU Control Unit Module 9118931
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6857314
Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9148264
Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9148264
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8362064
BMW E39 X5 E53 Z4 E85 Drive For Window Lifter Motor Right O/S 8362064
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 5A923C4
BMW F40 G20 G21 G30 G31 X3 G01 HiFi Audio Sound Amplifier RAM Module 5A923C4
Promo price
€189.95
€113.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9253111-1
BMW 1 2 Series F20 F21 F22 Positive Plus Pole Battery Blow Cable Part 9253111
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9159028
BMW E60 E61 Navigation Head Unit CCC CD Sat Nav Player System Controller 9159028
€427.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8576341-6
BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM Manual
Promo price
€284.95
€170.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6938064
BMW E65 E66 E67 Amplifier Rear Window Antenna Amplifier Module 868MHZ
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8518268-2
BMW E90 E91 LCI 318d Diesel 143HP N47N ECU Kit DDE 8518268 + CAS3 + Key Manual
Promo price
€94.95
€56.97
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8482940
BMW F30 LCI G11 G30 Battery Cell Supervision Circuit Module Unit 8667593
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6968650
BMW 3 Series E93 E93N LCI Aerial Antenna Amplifier FM/AM Right O/S 6968650
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8506281-1
BMW E87 E90 LCI 116d 316d Diesel N47 ECU KIT Engine DDE 8506281 CAS3 Key Manual
Promo price
€94.95
€56.97
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 1440315
BMW X5 Series E53 Wiring Loom Harness Engine Gearbox Module Petrol M62 Automatic
Promo price
€51.95
€44.16
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6838609
Antenna Amplifier BMW F40 Aeral Diversity Control Unit FM DAB Live Dash 6838609
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9142092
Bluetooth Antenna BMW X1 X3 Z4 E84 E89 F01 F02 F03 F25 Amplifier AMP 9142092
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6857262
Air Module BMW F01 F02 LCI F10 F11 F13 ICM SRS Control Unit ECU Bosch 6857262
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9374507
BMW F23 REM Rear Electronic Module Fuse Box Control Unit V2 9374507
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 6927312
BMW E60 E61 E65 E66 Front Seat Module Control Unit 6927312
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9175902
BMW 5 Series E60 E61 Rear Left Right Door N/O/S Wiring Cable Harness 9175887
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 7811111
BMW X3 E83 LCI 2.0d N47 177HP Engine Module ECU Kit DDE 7811111 Automatic
Promo price
€336.95
€202.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6862756
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6862756
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8570659
Wiring BMW X3 F25 N47N Engine Automatic Gearbox Module Wiring Harness 8570659
Promo price
€47.95
€40.76
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9350313
BMW F90 M5 G11 G30 Fuse Box Power Distribution Unit Front Right O/S 9350313
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
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 3 – 6
If paid before 14:00
-5%
Part no. 6970889
BMW 7 Series E65 E66 E67 Sensor Vehicle Centre Airbag 6970889
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 7198397
BMW E64 Cabrio Convertible Folding Top Roof ECU Control Unit CVM Module 7198397
€104.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9226326
BMW E81 Body Control Module Control Unit L2 PL2RR JBBFE III ECU 9226326
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6956746-MB1
BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Set x4 Monaco Blau - A35
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6942676
BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6942676
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 6856747
BMW F10 F20 F30 Tow Bar Trailer Towing Control Module Unit AHM 4 6856747
Promo price
€137.95
€117.26
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9380938
BMW 2 Series F45 Door Wiring Loom Harness Co-Driver's Passenger's Side 9380938
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8736083
BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 7848467
Engine Wiring BMW F80 M3 F82 F83 M4 S55 Loom Module Harness Cable 7848467
Promo price
€66.95
€56.91
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9361589
BMW 2 F45 Active Tourer Door Wiring Loom Harness Cable Driver's Side 9361600
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8489325
BMW i3 I01 94Ah Rex Hybrid Basic Control Unit Module ECU 8489325
Promo price
€51.95
€31.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7549393
Negative Cable BMW E81 X1 E84 E87 E90 E91 E92 E93 Ground Earth Battery 7549393
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6956672
BMW E63 E63N LCI Centre Console Switch Centre DTC PDC 6956672
Promo price
€23.95
€22.75
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 .