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

-15%
Part no. 7951069
KaFAS Camera BMW F45 Front Camera Control Unit Module 9384688
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8632554
Fuse Box Cover BMW X3 G01 X4 G02 Trim Panel Lid Housing Bracket 8632554
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 6798937
BMW F11 Touring Air Suspension Control Unit ECU Rear Axle Module 6798937
Promo price
€66.95
€56.91
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9267085
Antenna Amplifier BMW F01 F10 F13 Aeral Diversity 868 MHZ Control Unit 9267085
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9241826
On Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9241826
Promo price
€94.95
€80.71
Free delivery: Feb 17 – 20
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 17 – 20
If paid before 14:00

-5%
Part no. 6788716
BMW 7 Series E65 E66 E67 Steering Column Control Unit CIM Module
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9264636-1
BMW 1 3 4 F20 F30 F32 1 Driver Side Seat Wiring Loom Electric Harness 9339286
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9387147
BMW F30 LCI 330e B48X Positive Battery Cable Plus EME Loom 9387147
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
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 17 – 20
If paid before 14:00

-15%
Part no. 6851242
ICM Module BMW F01 F02 Integrated Chassis Management QL ES Control Unit 6851242
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9287433
BMW F21 F22 Wiring Loom Door Drivers Side Front Right O/S 9340973
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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 17 – 20
If paid before 14:00

-5%
Part no. 9176958
BMW E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9176958
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 6882963
Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6882963
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9290621
BMW F33 F83 M4 Convertible Top Phone Antenna Aerial Module CTM Unit 9290621
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7555193
BMW F10 Control Unit Box F07 F11 Engine Ventilation Housing Box 7555193
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9125224
BMW 1 3 SERIES E87 E90 E91 Control Unit Airbag ECU NO CRASH DATA 9125224
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9289583-1
BMW X1 E84 Display Screen Dashboard Navigation Monitor On-Board CID 6,5" 9289583
Promo price
€85.95
€51.57
Free delivery: Feb 17 – 20
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 17 – 20
If paid before 14:00

-15%
Part no. 9281068
Antenna Receiver BMW F33 F83 M4 Convertible Aerial DAB Unit 9281068
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6919354
BMW E60 E61 Stereo System Central Bass Subwoofer Right O/S 6919354
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9118730
BMW 5 6 Series E60 E61 E63 Body Gateway Module KGM LOW LEAR 61359118730 9118730
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 6807634
BMW X5 F15 F20 F30 SRS Air Module Bag Control Unit Module ECU 6807634
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8792148
Navigation Headunit BMW F20 F22 F30 Mini F55 F56 Head Unit Basic Media
Promo price
€137.95
€82.77
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9370431
BMW X1 Series F48 KaFAS Camera Assist Speed Limit Control 9370431
Promo price
€47.95
€28.77
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8088723
Engine Wiring BMW X3M F97 X4M F98 Petrol S58 Module Sensors 1 Harness 8088723
Promo price
€203.95
€122.37
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8573260-8
BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 + Key + FEM Manual
Promo price
€417.95
€250.77
Free delivery: Feb 17 – 20
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 17 – 20
If paid before 14:00

-5%
Part no. 6798872
BMW F10 F11 F30 F31 Wheel Electronics Module RDC 433MHZ Control Unit 6798872
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 6791131
BMW F01 ICM Module Integrated Chassis Management QL ES Control Unit 6791131
Promo price
€47.95
€28.77
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9225619
BMW F10 Electronic Front Seat Memory Module Control Unit ECU 9225619
Promo price
€70.95
€42.57
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 6989080-OLI
BMW E65 E66 E67 PDC Rear Parking Sensor Ultrasonic Olivin Metallic
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9238195
Fuse Box Grouping BMW F10 F11 F12 Fuse Placement Map Card Diagram 9238195
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6857124
Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU 6857124
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 1378238
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange 1378238
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9270495-CAR1
BMW X5 E70 X6 E71 F10 F11 PDC Ultrasonic Sensor Carbonschwarz 416 9231281 SET X2
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 7575579
BMW X5 X6 Series E70 E71 Cable Wiring Harness Rear Differential Axle 7575579
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9176878
BMW E81 Body Control Module Unit BCM ECU L2 9176878
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 3412238
BMW X3 Series E83 2.5i 3.0i M54 Automatic Gearbox Wiring Loom Harness 3412238
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8482365
BMW G20 Installation Cable Wiring Loom 8482365
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9151979
BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC
€56.95
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9312764
Body Control Module BMW F10 LCI ECU Junction Box PL6 JBBFE III V2 9312764
Promo price
€56.95
€48.41
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8590102
Alternator Cable BMW 5 G30 G31 G12 B57 Battery Wiring Alternator B+ 8590102
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 7286050
BMW F20 Control Unit Module Wing Mirror Power Fold 7286050
Promo price
€66.95
€56.91
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8091664
Baterry Cable Bracket BMW X3M F97 X4M F98 S58 Alternator Wire Holder 8091664
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
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 17 – 20
If paid before 14:00

Part no. 9134642
BMW E60 LCI Front Seat Control Module Unit ECU Left Right N/O/S 9134642
€51.95
Free delivery: Feb 17 – 20
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
€189.95
€113.97
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 1744987
BMW E39 Battery Clamp Fuse Cable Positive 1744987
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6963651
Alarm Module BMW E81 E84 E87 E90 Ultra Sonic System Sensor 6963651
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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 17 – 20
If paid before 14:00

-5%
Part no. 7619250
Alternator Bracket BMW F10 F20 F22 F30 F32 LCI G30 B47 Supporting Mount 7619250
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9383695
BMW F10 Footwell Light Module Control Unit ECU FRM III TEMIC 9383695
Promo price
€51.95
€31.17
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9115449
BMW X5 X6 E70 E71 Power Junction Box Positive Battery Cable Plus Pole 9115449
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6940623
BMW 1 3 Series E81 E82 E84 E87 E90 E91 PDC Parking Ultrasonic Sensor Quartz Blue
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9335300
BMW 1 Series F20 LCI Front Door Wiring Loom Harness Passengers Side 9335300
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6933267
BMW 7 Series E65 E66 E67 Control Unit Door Front Passenger Side 6933267
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9372556
BMW G11 Door Wiring Harness Rear Left Right Door N/O/S Wiring Loom 9372556
€42.95
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 9231283-BS
BMW X5 E70 F10 PDC Parking Sensor Distance Control Sensor Black Sapphire - 475
€23.95
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 5A70A69
BMW F40 Parking Module Comfort Control Unit ECU 5A70A69
Promo price
€142.95
€85.77
Free delivery: Feb 17 – 20
If paid before 14:00

Part no. 6863392
BMW F20 LCI X3 F25 X4 F26 F30 F31 F36 Air Module Control Module Unit 6863392
€332.95
Free delivery: Feb 17 – 20
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 17 – 20
If paid before 14:00

-40%
Part no. 8598806-2
BMW X3 F25 20dX Diesel B47 190HP Engine Module ECU Kit DDE 8598806 Key CAS4
Promo price
€427.95
€256.77
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6985363
BMW E60 E61 E63 E64 Body Gateway Module 61356985363 6985363
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8514577
BMW X3 F25 Diesel N47N Engine Gearbox Wiring Loom Harness 8514577
Promo price
€42.95
€25.77
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 5A323C8
BMW F40 Fuse Relay Power Distribution Box Unit 5A323C8
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9384988
BMW F20 F45 F46 Kafas Camera Control Module Unit ECU 9384988
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6933270
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 6933270
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8580061
BMW F40 F48 Mini F55 F56 Battery Starter Cable Wiring Loom B47B B47D 8580061
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 8513157
Battery Electric Cable BMW F45 F48 Mini F56 F60 Alternator Starter Motor 8513157
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 7645837
BMW i3 I01 Electric Gearbox Gear Shifting Actuator Module Unit 7645837
Promo price
€113.95
€68.37
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6926433
BMW 1 3 Series E87 E90 E91 Mini R56 R57 Seat Control Unit Module Heating 6926433
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8510832
BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Automatic
Promo price
€151.95
€91.17
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9290804
BMW F20 F22 F30 F32 Module ECU Control Unit FEM Fuse Box 9290804
Promo price
€227.95
€136.77
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6977427
BMW E87 E90 E91 Mini Cooper R50 R52 R53 Air Module Control Unit ECU 6977427
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 7622995
Cable Alternator Starter BMW F20 F21 F30 F31 N55 Battery Wiring Harness 7622995
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9174269-1
BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8779030
BMW G30 G31 Body Control Comfort Module Unit FEM ECU V05 8779030
Promo price
€569.95
€341.97
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 3420482
BMW X3 E83 Ground Earth Cable Battery Wiring 3420482
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 6905921
BMW 3 5 7 X5 E39 E46 E53 E65 GPS Receiver Control Unit Module Japan 6905921
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 7627021
BMW 1 3 Series F20 F21 F30 Petrol N13 Harness Engine Sensors Module 1 7627021
Promo price
€37.95
€32.26
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 9470037
Differential Locking Module BMW F40 F48 Rear Axle Control Unit ECU 9470037
Promo price
€75.95
€45.57
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 6789514
BMW X6 E71 ICM Integrated Chassis Management Control Unit Brakes 6789514
Promo price
€56.95
€34.17
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9153418
BMW F10 F11 B Plus Distributor Front Battery Cable 9153418
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 7254970
BMW E92 LCI Grille Trim Panel Chrome Frame Front Right O/S 7254970
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9268438
BMW F10 F11 F01 F02 F03 Crash Impact Air Module Central Sensor Unit 9268438
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
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 17 – 20
If paid before 14:00

-5%
Part no. 8638585
BMW F20 F21 F30 F31 LCI Cable Alternator-Starter-Base B+ 8638585
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 6812218
BMW X1 F48 Rear Left Right N/O/S Door Wiring Harness Loom 6812218
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 6839821
Battery Cable BMW G01 G02 F97 F98 Positive Plus Pole Lead L= 712MM 6839821
Promo price
€80.95
€48.57
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 3452285
BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5"
Promo price
€265.95
€226.06
Free delivery: Feb 17 – 20
If paid before 14:00

-5%
Part no. 9377149
BMW 1 3 Series F20 F21 F30 F31 Telematic Control Unit Module 9377149
Promo price
€23.95
€22.75
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8580389
BMW F40 F45 X1 F48 Mini F55 F56 F57 F60 Diesel Engine Starter Motor 8580389
Promo price
€61.95
€37.17
Free delivery: Feb 17 – 20
If paid before 14:00

-40%
Part no. 8736251
BMW X4M F98 X4 G02 X3 G01 Rear Fuse Box Power Distribution Fuse Box 8736251
Promo price
€66.95
€40.17
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 6820931
Telematics Module BMW X1 F48 F20 F30 Bluetooth GPS Control Unit ECU 6820931
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 8589907
Supply Module BMW F40 F48 Mini F55 F56 F57 Integrated Z11 Control Unit 8589907
Promo price
€28.95
€24.61
Free delivery: Feb 17 – 20
If paid before 14:00

-15%
Part no. 9491419
BMW F45 F48 F15 F31 F36 Mini F60 Trunk Lid Automatic Lift Control Module 9491419
Promo price
€32.95
€28.01
Free delivery: Feb 17 – 20
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 .