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. 6940763
BMW 7 Series E65 E66 E67 Ultra Sonic-Module 6940763
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 6812248
BMW X1 F48 Front Door Wiring Loom Harness Cable Driver Side 6812248
€42.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9343304
BMW X5 F15 X4 F26 Antenna Aerial Diversity Trap Circuit Control Module 9343304
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8506566-8
BMW E90 E91 E92 LCI 320d N47N 163HP Engine Unit ECU Kit DDE 8506566 Manual
€94.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 5A37095
BMW i4 G26 Gran Coupe Electric Rear Door Wiring Harness Right Left N/O/S 5A37095
€51.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8507906
BMW 1 3 F20 F21 F30 Engine Gearbox Wiring Harness Glow Plug Module 8507906
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8321087-1
BMW E60 Front Seat Height Adjustment Electric Motor Actuator 0390203234 8321087
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 6843898
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 6843898
Promo price
€132.95
€79.77
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6887358
BMW F10 F11 EMF Module Parking Brake Unit Electric Control 6863800
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 6935597-TS1
BMW E81 E87 Front Rear Parking Sensor PDC Titansilber Silver 354 6935597
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6929701
BMW 7 Series E65 E66 Alarm System Ultra Sonic Module 65756929701 6929701
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 7808257
BMW E90 E91 LCI F10 Wiring Harness Engine Glow Module N57 7808257
€47.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9153418-1
BMW 5 Series F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9247130
BMW F11 Touring Antenna Aerial Diversity Amplifier Unit 868 MHZ 9247130
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8573257-6
BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8573257 Automatic
Promo price
€89.95
€53.97
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9377150
BMW 1 Series F20 Bluetooth Control Module Unit TCB ECE 9377150
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6825835
BMW 2 Series F45 F46 Cable Wiring Jump Starter Base B+ Engine Battery 6809391
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 2622610
Bluetooth Module BMW F10 F20 F23 F30 Teleservices GPS Telematics Control 2622610
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9115107
BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7855481
BMW F90 M5 F92 M8 Oil Level Sensor Wiring Harness Loom Cable 7855481
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6967184-1
BMW X5 E70 Positive Battery Cable Terminal Box Base B+ X6 E71 6967184
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7951288
BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 7951288
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9224275
BMW F01 F02 F07 GT Control Unit Air Module ECU 9224275
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 7123326
BMW E65 E66 E67 Rear Seat Headrest Adjustment Actuator Drive 7123326
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8603352-5
BMW F20 F21 F30 N13 1.6 170HP Engine Control Module ECU DME Kit 8603352 Manual
€455.95
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8506657
BMW X3 F25 Starter Motor Diesel Engine 12V Bosch 8506657
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8385159
BMW 3 X3 Series E46 E83 Battery Cable Holder Mounting B Base 8385159
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6842986
BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 6842986
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9261612
Ultrasonic Parking Sensor BMW F20 F21 F23 F87 PDC Black 9261612
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8582280-3
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8582280 + Key + Lock + FEM Manual
Promo price
€284.95
€170.97
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9134631
Seat Module BMW E65 E66 Front Seat Control Unit ECU 9134631
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 9186211
BMW X5 E70 M Audio Professional Radio CD Player Navigation Head Unit 9186211
Promo price
€180.95
€108.57
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 5A19AC3
BMW F40 ACSM5 Control Unit Air Module ECU Control Module 5A19AC3
Promo price
€37.95
€32.26
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 1724740
BMW E36 E39 E46 Engine Starter Electrical Earth Cable 1724740
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6946106
BMW 7 E65 E66 Passenger Seat Airbag Sensor Control Unit Module 6946106 6970899
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 9236531
BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9236531
€32.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 5A0BD89
BMW F40 Power Distribution Fuse Box LIN Control Unit Module 5A0BD89
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8507949
BMW X3 F25 X4 F26 N57 Fuel Injection Line Wiring Loom Harness Cable 8507949
€51.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 6854028
BMW F06 F10 F11 F12 F13 ICM Control Unit Module Air Module ECU 6854028
€123.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7518610
BMW E65 E66 E67 Earth Ground Battery Strap Cable 7518610
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 9324779
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR-01 9324779
Promo price
€113.95
€68.37
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9293242
BMW 3 7 Series F01 F02 LCI F34 Telematics Control Unit Module TCB ECE 9293242
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 9348358
BMW E60 Body Comfort Control Unit DDE Module ECU 9348358
Promo price
€94.95
€56.97
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6960219
Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Left N/S Control Unit 6960219
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 7464750
Tailgate Smart Opener BMW F10 F11 X1 F48 X3 F25 Control Unit Module 7464750
Promo price
€37.95
€32.26
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9365305
BMW F20 F21 F22 F30 Telematics Comunication Control Module Unit ECU 9365305
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
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 4 – 9
If paid before 14:00
-5%
Part no. 6900583
BMW E65 E66 Power Distribution Box 6900583
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9258350
Air Module BMW F20 F21 F22 F30 F31 F32 Control Unit ECU 9258350
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6820234
Air Conditioning Module BMW F20 F21 F30 F31 A/C Control Unit 6820234
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 9253477
BMW E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE IIIR 9253477
Promo price
€56.95
€34.17
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 6826897
BMW F06 F12 F25 Wireless Charger Centre Console Phone Charging Module 6826897
€66.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9139868
BMW X3 E83 LCI X5 E70 LCI PDC Parking Ultrasonic Sensor Schwarz Black 9139868
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8741637
BMW X1 F40 F48 Mini F55 F56 F57 F60 Earth Cable Battery Cable 8741637
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8570934
BMW F20 F21 116d ed Diesel N47N 116HP ECU Engine Control Unit DDE 8570934 Manual
Promo price
€284.95
€170.97
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 9348935
BMW X1 F45 F48 Mini F55 F56 F60 Air Module Control Unit Module ECU 9348935
Promo price
€151.95
€91.17
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 7852129
Alternator BMW F90 M5 F91 M8 S63M Petrol Engine Generator 250A Valeo 7852129
Promo price
€189.95
€113.97
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6799887
Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU 6799887
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9118263
BMW F01 F02 F03 F10 Antenna Amplifier Module Trap Circuit 9118263
Promo price
€37.95
€32.26
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6994419
BMW G20 Power Distribution Fusebox Cover Fuse Box Terminal 6994419
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9162930-WB1
BMW E81 E82 E87 E90 E91 Parking Sensor PDC Ultrasonic Bluewater - 896 SET X2
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. P0396890
BMW 1 Series E82 Rear Bumper PDC Cables Wiring Loom Set 0396890
Promo price
€80.95
€48.57
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8621839
BMW F20 F21 F30 LCI G30 B38 B48 Starter Motor Engine Petrol 8621839
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6960308
BMW 1 Series E88 Convertible Rear Bumper FM Radio Aerial Antenna 6960308
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6928050
BMW 7 Series E65 E66 E67 Battery Cable Wire Earth Ground Minus Negative L=260MM
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8387540
BMW X3 E83 Positive B Battery Terminal Point Case 8387540
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8693213-1
BMW F30 LCI 330e B48X Engine Control Unit ECU Kit DME 8693213 FEM Key Automatic
Promo price
€740.95
€444.57
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 9128573
BMW 1 Series E87 LCI E87N Cable Set PDC Front Wiring Loom 9128573
Promo price
€42.95
€25.77
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9277202
Wiring Cable BMW F06 F12 F13 Electric Parking Hand Brake Handbrake Set 9277202
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8574024
Engine Wiring BMW F30 F31 335dX N57Z Automatic Gearbox Cable Harness 8574024
Promo price
€37.95
€32.26
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9315151
BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9315151
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8638551
BMW F20 F21 F22 F30 F32 LCI Integrated Supply Module Unit 8638551
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6960221
Airbag Module BMW E65 E66 Sensor B-pillar Left N/S Control Unit Air Bag 6960221
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 7627023
BMW F20 F21 F30 Petrol N13 Automatic Gearbox Engine Sensor Module 1 Wiring
Promo price
€66.95
€40.17
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 7559178-11
BMW E60 E90 E91 330i 530i N52 258HP Engine ECU Kit DME 7559178 CAS2 + Key Manual
€379.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7075944-2
BMW E60 E65 E70 Front Right Seat O/S Height Adjustment Drive 7075944
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6941445
BMW E63 E64 Bluetooth Cable Hands Free Telephone Microphone Unit 6941445
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8366625
BMW 259 259R 259 R22 Connection Plug Relay Pink Tyco 8366625
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
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 4 – 9
If paid before 14:00
-5%
Part no. 9237085
BMW F10 F11 Cable Loom Door Passenger Side Wiring Harness 9240882
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8583657-1
BMW F20 E90 LCI Mini R56 LCI Glow Plug Wiring Wiring Harness Engine Module
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8512047-7
BMW E90 E91 LCI N47N 320d 163HP ECU Module KIT DDE 8512047 Automatic
Promo price
€180.95
€108.57
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 9267205
BMW E91 Touring LCI ECU Body Control Module Junction Box H2 9267205
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 9242204
Wiring BMW F12 F13 F06 Cable Set For Electric Parking Brake Handbrake 9242204
Promo price
€80.95
€48.57
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 1388911-2
BMW E36 E38 E85 Mini R52 R57 4x Change-Over Contact Relay Violet Set 1388911
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 8507912
BMW F30 F31 Engine Wiring Loom N47N Harness Automatic Gearbox 7549282
Promo price
€66.95
€40.17
Free delivery: Feb 4 – 9
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 4 – 9
If paid before 14:00
-5%
Part no. 6957807
BMW X3 E83 Amplifier For Stereo System Harman/Becker AMP 6957807
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6956744
BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8586568
BMW F20 F22 F23 Gearbox Transmission Module Harness Wiring Loom Cable 8586568
Promo price
€56.95
€48.41
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 9387266
FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266
€132.95
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 9382418
BMW F45 X1 F48 G30 Telematics Module Bluetooth Telephone Control Unit 9382418
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 5A234D0
Wiring Cable BMW F06 F12 F13 Electric Parking Hand Brake Handbrake Cable 5A234D0
Promo price
€42.95
€25.77
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 9286863
BMW X5 Z4 Series E70 E89 Active Sound Harman Becker Amplifier Design 9286863
Promo price
€42.95
€25.77
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 9286479
BMW F10 F11 LCI Front Bumper PDC Sensors Loom Cables Wiring Set 9286479
€80.95
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 9393675
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V8 Lear 9393675
Promo price
€47.95
€28.77
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6980089
BMW 5 Series E60 E61 Alarm System Unit Ultra Sonic Module 6980089
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8614276
BMW F20 F21 F30 LCI M140i 340i Alternator Generator 180A BOSCH 8614276
€37.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7541779
BMW Z4 E85 2.0i N46 Cable Alternator Starter Base B+ 7541779
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
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 .