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. 9148267
BMW 3 Series E93 Seat Control Unit Module FSV 7.11.0 9148267
Promo price
€94.95
€56.97
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8518268-2
BMW E90 E91 LCI 318d Diesel 143HP N47N ECU Kit DDE 8518268 + CAS3 + Key Manual
Promo price
€94.95
€80.71
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9326204
BMW X3 F25 B+ Distribution Box Battery Power Front Control Unit Point 9227458
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 7565300-18
BMW Z4 E85 2.0 N46 150HP Engine Module ECU Kit DME 7565300 + EWS + Key Manual
Promo price
€303.95
€182.37
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9113348
BMW E81 E87 LCI E90 E91 DC/DC Wandler Torque Converter Module 9113348
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9381113
Air Con Module BMW F20 F30 F31 Mini F55 F56 Air Conditioning A/C Unit 9381113
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 6923547
BMW E65 E66 6-fold CD Changer Multichanger Without Magazine 6923547
Promo price
€132.95
€79.77
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7555188
BMW 5 6 Series F10 F11 F12 F13 Control Unit Box Cover 7555155
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7798482
BMW E60 E61 Battery Alternator Cable Lead For Preheater System 7798482
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 6809316
BMW F10 F20 F23 F30 Telematics Module Bluetooth Communications Control 6809316
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8576333-2
Engine Unit ECU BMW F20 F30 F32 120dX 320dX 420dX N47N 184HP DDE 8576333 Manual
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8510284
Engine Wiring Loom BMW F30 F31 F32 330d 430d N57N Gearbox Module Harness 8510284
Promo price
€47.95
€40.76
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6875997
ICM Control Unit BMW F01 F02 LCI F06 F10 F11 F13 ECU Module 6875997
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9243637
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9243637
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 7191362
BMW 3 E93 Cable Wiring Loom Harness Hydraulic Pump 7120204 7191362
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 7805349-1
BMW X3 Series E83 LCI M47N2 2.0d 150HP ECU Kit DDE + EWS4 + Key 7805349 Manual
Promo price
€313.95
€188.37
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6944875
BMW E36 Z4 E85 Z3 Module Radar Burglar Alarm Sensor 6944875
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 7835735
BMW E46 M3 Z4 E85 M3.2 Engine Starter Motor Valeo 7834214
€85.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6989713-1
BMW E88 E89 E93 Convertible Cabrio DWA-Alarm System Module Set Of 2 6989713
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9209684
BMW F01 F02 F04 F07 ECU ICM Control Unit Air Module Bag 9209684
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 6826326
BMW F40 G05 G20 G30 Shark Roof Fin Antenna Aerial Module Unit 6826326
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 7419610
BMW F30 F31 LCI Headlight LED Module Insert Light Source Set 7419610
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8577241
BMW F30 F32 LCI 330d 335dX 430d 435dX Alternator Starter Cable B+ 8577241
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8267406
Headrest Adjustment BMW E46 E64 Front Right O/S Seat Actuator 8267406
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9174271
BMW F10 LCI Bluetooth Control Unit Module Bracket Holder Mount 9174271
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8507398
Glow Bracket BMW E60 E87 LCI E90 E91 E92 F10 F11 N47 Diesel Relay Plug 8507398
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-15%
Part no. E87 Wiring Loom Set PDC rear-1
BMW 1 Series E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9152262
BMW X5 E70 X6 E71 Front Crash Impact Sensor Module 9152262
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9118101
BMW 1 Series E81 E82 Driver Side Offside O/S Door Wiring Loom Harness 9118101
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8387541
BMW X5 E39 E53 Fuse Box Housing 8 Fold Voltage Regulator Boot 8387541
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8379941-1
BMW X5 Series E53 Interior Roof Alarm Sensor Ultra Sonic Module 8379941
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9389069
BMW F20 F21 F30 F31 F32 X5 F15 X6 F16 Power Distribution Fuse Box Front 9389069
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8507899
BMW F31 N47N 320d Engine Wiring Harness Module Diesel 8507899 8507896
Promo price
€66.95
€56.91
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9234942
Telematics Module BMW E81 E87 E90 E91 E92 LCI Combox Navigation 9234942
Promo price
€142.95
€85.77
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6887753
BMW F20 F21 F22 F30 F31 F32 ICM Control Unit Module ECU 6868599
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9224866
BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Front 9224879
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6943854
BMW E60 E61 E63 E64 ECU Control Unit Key Reading Module CAS 2 6943854
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 7951069
KaFAS Camera BMW F45 Front Camera Control Unit Module 9384688
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8585935
BMW F20 F23 F30 F34 F36 LCI Automatic Gearbox Wiring Loom Harness 8585935
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

Part no. 9311296
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296
€28.95
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9835622
BMW X4 F98 G02 Active Sound Design Module Control Unit Harman Kardon 9835622
Promo price
€51.95
€44.16
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

Part no. 8792148
Navigation Headunit BMW F20 F22 F30 Mini F55 F56 Head Unit Basic Media
€137.95
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

Part no. 9337205
BMW F32 Door Wiring Front Door Right Loom Cable Wiring Harness 9337205
€28.95
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9211494
BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9211494
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-40%
Part no. 7575579
BMW X5 X6 Series E70 E71 Cable Wiring Harness Rear Differential Axle 7575579
Promo price
€28.95
€17.37
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 8571084
BMW F20 F21 F30 LCI Wiring Injector Loom Harness Cable Module B47 Engine 8571084
€151.95
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8482365
BMW G20 Installation Cable Wiring Loom 8482365
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9151979
BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

Part no. 9381305
Radio Professional BMW F20 F21 F30 F31 CD Player DAB Bluetooth 9381305
€80.95
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9383695
BMW F10 Footwell Light Module Control Unit ECU FRM III TEMIC 9383695
Promo price
€51.95
€44.16
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 .