Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
-5%
Part no. 9293313
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V5 REM 9293313
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 7802928
BMW E60 E90 Alternator Generator 150A 335d 525d 530d 535d M57N2 7800308
Promo price
€85.95
€73.06
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9244392
BMW F10 ECU Body Control Module V2 PL6 JBBFE III Junction Box 9244392
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 7531992
BMW X5 E53 3.0i M54 Wiring Loom Harness Engine Automatic Gearbox 7531992
Promo price
€56.95
€34.17
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 9342033
BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033
Promo price
€42.95
€25.77
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9192665
BMW X3 F25 Positive Battery Clamp Point Cover Wiring Loom 9192665
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 6809049-1
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 6809049
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 9267465
BMW F01 Body Control Module ECU Junction Box V5 PL6 JBBFE III Lear 9267465
€28.95
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 7537612
BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9280185
Air Module BMW F10 F11 F01 F02 F03 LCI Control Unit ECU 9280185
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 8586540
BMW F30 F32 LCI 330d 430d N57N 258HP Engine Control Unit Module ECU DDE 8586540
Promo price
€94.95
€80.71
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 7540203
BMW X5 Series E70 Control Unit DME Module Emergency Release Lock 7582630
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9276064
BMW X3 F25 Antenna Aerial Diversity Amplifier Unit 868 MHZ 9276064
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 7607454
Battery Insert BMW F13 F12 F06 Battery Crashpad Foam Insulator 7607454
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 3419515
BMW E83 LCI Valvetronic Starter Cable Wire Loom 3419515
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 7789225
BMW E65 E66 730d M57N Diesel Cable Starter-Base B+ 7789225
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 1742690
BMW E60 E63 E87 E90 Relay Changer Make Contact Salmon Red 1742690
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9312768
BMW F06 F07 F10 F11 Comfort Module Body Control Unit Module BCM Unit ECU 9312768
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6950374
Door Cable BMW E65 Loom Rear Right O/S Wiring Harness 6950349
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 7259877
Third Stoplamp Cover BMW F30 F80 M3 Rear Stop Lamp Brake Trim 7259877
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 3413934-2
BMW X3 E83 Rear Bumper Wiring Loom PDC Harness 1452049
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9210860
BMW X3 F25 Rear Fuse Box Power Distribution Control Unit Box 9210860
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6988965
BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Spacegrau 6988965
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6938664
BMW E65 E66 Control Unit Front Centre Console Module 6938664
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 8595865
Wiring BMW F32 F33 F36 LCI N57Z Engine Gearbox Module Wiring Harness 8595865
Promo price
€89.95
€76.46
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 9289256
BMW X3 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9289256
Promo price
€284.95
€170.97
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 9868383
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9868383
Promo price
€89.95
€53.97
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9196669
CD Changer 6 Disc BMW E81 E87 E90 E91 E92 Without Magazine 9196669
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 7577068-2
BMW E90 E91 E92 N52N 325i 218HP Engine ECU Kit DME 7577068 CAS3 Key Automatic
Promo price
€427.95
€256.77
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 3412574
BMW X3 Series E83 Rear Left Right Door N/O/S Wiring Loom Cables 3412574
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9162930-WB
BMW E81 E82 E87 E90 E91 Parking Sensor PDC Ultrasonic Bluewater - 896
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 8606777
BMW F30 F31 320iX N20 184HP Engine Control Unit ECU DME 8606777 Automatic
Promo price
€398.95
€239.37
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9262752-1
BMW F20 F21 F22 Central Information Display Screen 6,5" Control Unit 9262752
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9114215
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 7835123
BMW E60 E61 LCI M5 E63 M6 Wiring Harness Air Conditioning Compressor
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6799659
BMW F10 F11 ICM Module Integrated Chassis Management QL ES Control Unit 6799659
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6781575-1
YAW Rate Sensor BMW E81 E87 E90 E91 Accelerator Speed Module 6781575
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 7457873
BMW F20 F21 F30 LCI Headlight Control Unit Module FLE2 7457873
Promo price
€94.95
€80.71
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8513250-3
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS4 Key Automatic
€203.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 9268710-1
BMW F01 Display Screen On-Board Central Information Monitor 10,25" 9241819
€32.95
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 8512047-4
BMW E90 E91 LCI N47N 320d 184HP Engine Control Unit ECU DDE 8512047 Automatic
Promo price
€56.95
€34.17
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 8573260-5
ECU Kit BMW F20 F21 116d Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
Promo price
€308.95
€185.37
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 6878191
Air Module BMW F01 F02 LCI F10 F11 F13 ECU ICM Control Unit 6878191
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9222071
BMW F07 BCM Body Control Module Unit Controller 9222071
Promo price
€47.95
€40.76
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9878658
BMW F20 F30 F31 LCI Mini F55 F56 Compensator LTE UK Control Unit Module 9878658
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 6826326
BMW F40 G05 G20 G30 Shark Roof Fin Antenna Aerial Module Unit 6826326
Promo price
€66.95
€56.91
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9145401
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6960803
BMW E65 E66 E67 Control Unit Voice Input System Module 6960803
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9244422
BMW X5 E70 LCI Front Bumper PDC Loom Cables Wiring Set 9244422
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 913463601
Seat Module BMW E65 Front Seat Control Unit Module ECU 913463601
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6958525
BMW X5 X6 E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Left N/S 6958525
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6989069
BMW X3 X5 E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black 6989069
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 6986081-2
CD Changer BMW E60 E61 E63 E64 Compact CD Changing Unit 6986081
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9249083-1
BMW E90 LCI Footwell Light Control Module LCM LED Basis 9249083
Promo price
€113.95
€96.86
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9176884
BMW E93 ECU Body Control Module H3 Junction Box 61359176884 9176884
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9188853
BMW X5 E70 X6 E71 Battery Earth Cable Ground - Pole Lead L= 490MM 9188853
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9390835
Sound Amplifier BMW X5 F15 X6 F16 Active Harman Becker Design 9390835
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 918545-102
BMW F11 Wiring Cable Loom 918545-102 767832-113
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9176078
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9176078
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9353066
BMW F20 F21 F30 F31 Relay Cover Electric Fan Relay Cap 9353066
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9227179
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE Junction Box 9227179
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 8518569-5
BMW F20 F21 F30 F31 N47N 118d 318d 143HP Engine Control ECU DDE 8518569 Manual
Promo price
€80.95
€68.81
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9123605
BMW X5 Series E70 Cable Glove Compartment Wiring Loom Harness 9123605
Promo price
€33.95
€28.86
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8570442
Engine Wiring BMW F25 F26 2.0dX B47 Loom Module Harness Cable Automatic 8570442
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-5%
Part no. 7273667
BMW F30 F31 F32 Rear Tailgate Smart Opener Lower Antenna 7273667
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-5%
Part no. 3405815
BMW X3 Series E83 E83N Inclination Indicator Alarm System 65753405815 3405815
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9191408
BMW X1 Series E84 Wiring Cable Loom Set Rear Door Left Right N/O/S 9191408
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6918567
BMW 7 Series E65 E66 E67 Seat Control Unit Module Heating 6918567
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 3417160
BMW X3 E83 LCI Cable Alternator Starter Base B 3417160
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-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 - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9367376
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9367376
Promo price
€66.95
€56.91
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9240274-2
BMW E30 E31 F01 F02 F10 F11 Top View Mirror Camera 9240274
Promo price
€99.95
€84.96
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-40%
Part no. 8578945
BMW F20 F30 116d 316d N47N 116HP ECU Engine Contol Unit DDE 8578945 Automatic
Promo price
€47.95
€28.77
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
Part no. 9286943
BMW 5 F11 Touring Body Control Module ECU Junction Box V7 PL6 JBBFE III 9286943
Product currently unavailable
-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 - Tue, Nov 04
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 - Tue, Nov 04
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
€113.95
€68.37
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-15%
Part no. 6857208
Parking Distance Assistant BMW 20 F21 F30 F31 F36 Control Unit Module 6857208
Promo price
€42.95
€36.51
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8371312
BMW 3 Series E46 Relay Control Unit Module Bracket Holder 61358371312 8371312
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 9143121-1
BMW E81 E87 E90 E91 E92 E60 E61 Loudspeaker Speaker Logic7 L7 HiFi Audio 9143121
€37.95
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9251702
BMW 1 2 3 Series F20 F21 F22 F30 F31 F32 Connecting Wire Sat Nav Champ/Mask-CID
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9253111
BMW F20 F21 F22 Positive Plus Pole Battery Blow Off Cable 9253111
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-15%
Part no. 3451528
BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3451528
Promo price
€123.95
€105.36
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
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 - Tue, Nov 04
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 - Tue, Nov 04
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 .