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. 9267958
BMW F20 F30 MINI F56 Control Unit Air Conditioning Module 9267958
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8385987
BMW X5 E53 Support Bracket Navigation Computer 8385987
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9351679
BMW F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9351679
€142.95
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6949450
BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6949450
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 7561834-13
BMW E87 E90 120i 320i N46 150HP Engine Control DME Module 7561834 Automatic
Promo price
€346.95
€208.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7520912-1
BMW E60 E61 E63 E64 LCI Lid Cover Panel Electronic Box 7520912
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6791748
BMW F20 F21 F30 F31 DXC Pulse Generator Sensor Front Axle N47N 6791748
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8512047-7
BMW E90 E91 LCI N47N 320d 163HP ECU Module KIT DDE 8512047 Automatic
Promo price
€180.95
€153.81
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8657337
Starter Motor BMW F90 M5 G11 G30 Petrol Engine Starter Actuator DENSO 8657337
Promo price
€70.95
€60.31
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7856771
Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 1-4 Loom Valve Ignition 7856771
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7801203
BMW X5 E70 E87 F10 F11 F15 F25 F30 Diesel Engine Starter Motor 7801203
€23.95
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6900582
BMW 7 Series E65 E66 Fuse Board Power Distribution Box
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6923945
BMW 5 6 SERIES E60 E60N E61 E61N E63 B terminal point engine compartment 6923945
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8636064
Wiring Cable BMW F20 F30 LCI B48 Engine Injector Ignition Loom 8636064
Promo price
€85.95
€73.06
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9315684
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9315684
€94.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9221713
BMW F01 Front Bumper PDC Wiring Loom Cable Harness F02 9221713 9221712
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9247081
BMW X1 E84 Wiring Loom Harness Passenger Side 9247081
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6799712
BMW F10 F11 ICM Management Control Unit Module DSC Brakes 6799712
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
Part no. 9242522
BMW X5 E70 Light Module Footwell Control Unit ECU FRM II MAX Lear 9242522
€123.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7810980-1
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
€522.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 5A0FAD6
BMW i4 G26 Hybrid Electric Earth Ground Cable Negative Battery Lead 5A0FAD6
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 3427743
BMW X3 Series E83 Wiring Drivers Side Loom Front Door Cables Right O/S 3427743
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8582280-5
Engine Control Unit BMW F20 F30 F31 118d 318d N47N 143HP ECU DDE 8582280 Manual
Promo price
€47.95
€40.76
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8650701-1
BMW F80 M3 F82 F83 M4 S55 431HP Engine Module ECU DME Kit 8650701 Automatic
€1,125.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6921309
BMW E65 E66 Centre Console Front Armrest Tray Cables Wiring Set 6921309
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6973117
BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6973117
Promo price
€99.95
€84.96
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9241330
BMW X1 E84 USB AUX-IN Socket Plug Input Connector Media Port 9241330
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
Part no. 6949381
BMW E65 E66 Front Door Wiring Door Cable Harness Loom 6949381
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6927706
BMW 5 6 Series E60 E63 E64 Tubing Duct Battery Cable Lead Positive Underfloor
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9210861
BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8486560
BMW F40 Steptronic Double Clutch Gearbox Transmission Control Module 8486560
Promo price
€227.95
€136.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7542615
BMW 1 3 5 6 7 Z4 Series E87 E90 E60 E64 E65 E85 Power Distribution Box 7542615
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8507880
BMW 1 3 Series F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9197354
BMW X1 X3 E84 F25 Cigarette Lighter Socket With Cable 9197354
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8583451
BMW F20 F21 F30 LCI F32 Engine Starter Motor Diesel B37 B47 8583451
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9364552
Seat Wiring BMW F45 X1 F48 Mini F55 F56 Passenger's Side Sensor Cable 9364552
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9371131
Seat Control Unit BMW F30 F36 Front Seat Module Unit Controller ECU 9371131
Promo price
€80.95
€48.57
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7537365
Cable Wire BMW E60 E61 E81 E87 E90 Tubing For Clamp 7537365
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6931987
BMW 7 Series E65 E66 E67 Control Unit Voice Input System Module 6931987
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7793200
BMW X5 E70 X6 E71 E90 E90N E91 E92 E93 Cable Alternator Starter 7793200
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8387551
BMW 3 Series E46 Battery Positive Cable Fuse Box Base B 8387551
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9204849
BMW X5 X6 Series E70 E71 Airbag Control Module ECU Unit 9204849
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7625998
BMW F20 F21 F22 F30 F31 F32 F33 Line Cable Power Distribution Module 7625998
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9119058
BMW E81 E87 E90 E91 Airbag Control Unit ECU NO CRASH DATA 9119058
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6911922
BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7599881-1
BMW E87 LCI E90 E91 118i 318i Petrol N43 143HP ECU KIT DME 7599881 CAS3 + Key
€170.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6927548
BMW Z4 E85 Drive For Window Lifter Motor Front Right O/S 6927548 9116626
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6974370
Alarm System Unit BMW E60 E61 Ultra Sonic Module 6974370
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9247067
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9247067
Promo price
€99.95
€59.97
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6974372
BMW 7 Series 7 E65 E66 E67 Ultra Sonic Module
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9361116
BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9361116
Promo price
€89.95
€53.97
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9316569
BMW X5 F15 Fuse Box Rear Relay Module Control Unit 9316569
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6992830
BMW F10 F20 F30 Mini F55 F56 KaFAS Camera Front Control Unit Module ECU 6992830
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8383185
BMW X5 7 Series E38 E53 Control Unit Illuminated Door Handle 8383185
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9270495-2
BMW X5 E70 X6 E71 F10 F11 F12 PDC Ultrasonic Parking Sensor SET X2 Black 9270495
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6814609
BMW 1 3 5 Series F10 F20 F30 Bus Interface Connector Data Terminating 6814609
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6963014
BMW E60 E61 E63 Passenger Side Door Air Module Control Unit ECU 6963014
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9252636
BMW X1 E84 PDC Sensor Parking Control Module Unit ECU 9225822
€170.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9228491
BMW 5 Series F10 ECU Body Control Module V2 Junction Box 61359228491 9228491
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9225707
On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
Promo price
€75.95
€45.57
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9254025
BMW 5 7 X3 X5 X6 Series F10 F11 E70 E71 F01 F02 F25 Rain Light Solar Sensor
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8510592
BMW E81 E87 E90 LCI 118d 318d N47 143HP ECU Control Unit DDE 8510592 Manual
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9122276
BMW 5 Series E60 E61 LCI Rear Bumper PDC Cables Wiring Loom Set 9122276
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8506281-5
BMW E87 E90 LCI 116d 316d Diesel N47 ECU KIT Engine DDE 8506281 CAS3 Key Manual
Promo price
€94.95
€56.97
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6970889
BMW 7 Series E65 E66 E67 Sensor Vehicle Centre Airbag 6970889
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9347914
BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9347914
Promo price
€132.95
€79.77
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8798189-1
Basic Head Unit BMW F45 X1 F48 Mini F55 F56 Sat Navigation Radio Stereo 8798189
Promo price
€218.95
€186.11
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7191718
BMW Z4 Series E89 Roadster Cabrio Horn High Tone 7191718
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9390501
BMW 3 4 Series F31 F32 F80 M3 F82 M4 LCI USB Charger Adapter Socket 9390501
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8510221-18
BMW E90 E91 E92 LCI 325d N57 204HP ECU Engine Module DDE 8510221 Automatic
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6950525-1
2 x BMW E63 E64 E93 Alarm System Module Sensor DWA Control Unit Set 6950525
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6983075
BMW F01 F07 F10 F30 LCI Fan Motor For Amplifier Control Unit Module Controller
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6933410
BMW E85 Fuses Electrical Fuse Set 6933410
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8510221-16
BMW E90 E91 E92 LCI 325d Diesel N57 204HP ECU Engine Module DDE 8510221 Manual
Promo price
€104.95
€62.97
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9264973-1
BMW X5 E70 Seat Control Unit Module ECU 9264973
Promo price
€47.95
€40.76
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8574352
BMW X1 E84 20d 20dX 184HP N47N Engine Control Unit ECU DDE 8574352 Automatic
Promo price
€89.95
€76.46
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6955116-BAQ
BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Barriquerot 6955116
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8573258-7
BMW F20 F21 F30 116d 316d N47N 116HP Engine ECU Kit DDE 8573258 Manual Key FEM
€113.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9289374
BMW X5 X6 F15 F85 F16 F86 Front Battery Fuse Box Positive Distribution Terminal
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9385026-1
BMW F01 F07 LCI F10 F11 F25 Air Module Control Unit ECU 9385026
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8511409
BMW F10 F11 N57N Control Unit Module Box Cover Bracket Carrier Mount 8511409
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8630168
BMW 3 F30 LCI 330e Hybrid Charging Control Unit Bracket Holder Mount 8630168
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8584276
BMW F30 F31 320d Engine Control Unit ECU DDE ed Diesel N47N 163HP 8584276
Promo price
€80.95
€68.81
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9276099
BMW F01 F10 Diversity Aerial Antenna Amplifier Module DAB 9276099
Promo price
€35.95
€30.56
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9244161
BMW F01 F02 F03 F04 Head Unit Radio Media Player Navigation 9244161
Promo price
€199.95
€169.96
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9200503
BMW E60 LCI F01 F07 F10 ECU USB Hub Control Unit Module 9200503
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8363668
BMW X3 X5 Series E53 E83 Steering Column Turn Indicator Switch Stalk 8363668
Product currently unavailable
-5%
Part no. 8385159-1
BMW X3 E83 E46 Battery Cable Holder Mounting B Base Trim Carrier 8385159
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8615581
BMW 3 F30 LCI 330e B48X Control Unit Bracket Holder Mount 8615581
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8639595
BMW F30 F31 F32 320i 420i N20 ECU Engine Control Unit DME 8639595 Automatic
Promo price
€336.95
€202.17
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 .