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. 9197354
BMW X1 X3 E84 F25 Cigarette Lighter Socket With Cable 9197354
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
Part no. LHD-9127429
BMW E60 Main Head Wiring Loom Harness Cables M57N2 530xd 9127429
€113.95
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-40%
Part no. 7599881-1
BMW E87 LCI E90 E91 118i 318i Petrol N43 143HP ECU KIT DME 7599881 CAS3 + Key
Promo price
€170.95
€102.57
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
Part no. 8718207
BMW F20 F21 F22 F30 F31 LCI Head Unit Sat Nav Media Navigation 8718207
€332.95
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
Part no. 7631558
Engine Starter BMW F20 M135i F30 335i F32 435i F80 M3 F82 M4 Motor Start 7631558
€32.95
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
Part no. 6882972
BMW F33 ECU ICM Control Sensor Unit Air Module ECU 6882972
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9252636
BMW X1 E84 PDC Sensor Parking Control Module Unit ECU 9225822
Promo price
€170.95
€145.31
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9228491
BMW 5 Series F10 ECU Body Control Module V2 Junction Box 61359228491 9228491
Promo price
€66.95
€56.91
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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 16 – 19
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: Feb 16 – 19
If paid before 14:00
Part no. 9122276
BMW 5 Series E60 E61 LCI Rear Bumper PDC Cables Wiring Loom Set 9122276
€23.95
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
Part no. 9271716-1
BMW F20 F30 Head Unit Radio CD Player Multimedia Control Unit Alpine 9271716
€70.95
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6933410
BMW E85 Fuses Electrical Fuse Set 6933410
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-40%
Part no. 9264973-1
BMW X5 E70 Seat Control Unit Module ECU 9264973
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 2753025
Mini Cooper R55 R56 R57 R58 Wiring Heated Seat Loom 2753025
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8574352
BMW X1 E84 20d 20dX 184HP N47N Engine Control Unit ECU DDE 8574352 Automatic
Promo price
€89.95
€53.97
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 6985748
BMW 5 Series E60 E61 Centre Console Switch Centre DTC PDC 6985748
€23.95
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9385026-1
BMW F01 F07 LCI F10 F11 F25 Air Module Control Unit ECU 9385026
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8584276
BMW F30 F31 320d Engine Control Unit ECU DDE ed Diesel N47N 163HP 8584276
Promo price
€80.95
€48.57
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7545165
BMW E87 E90 116i 316i Petrol N45 Wire Wiring Harness Engine Gearbox Mod Loom
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8363668
BMW X3 X5 Series E53 E83 Steering Column Turn Indicator Switch Stalk 8363668
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-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: Feb 16 – 19
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 16 – 19
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: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8639595
BMW F30 F31 F32 320i 420i N20 ECU Engine Control Unit DME 8639595 Automatic
Promo price
€336.95
€286.41
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6868251
Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6868251
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6957123
BMW 3 Series E92 Front Left N/S Door Wiring Cables Harness Loom 6957123
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8517862-5
BMW F10 F20 F30 520d 120d 320d N47N 184HP Engine Unit ECU DDE 8517862 Automatic
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7638194
BMW F20 F21 F22 F30 F31 Engine Starter Motor N20 N26 N55 Petrol 7638194
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9148265
BMW E70 E87 E90 E91 E92 Seat Control Unit Module ECU 9148265
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 7835564-3
BMW E46 M3 S54 343HP Engine Control Unit Kit ECU DDE 7835564 Manual
€1,139.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7856817
BMW F90 M5 F91 M8 Battery Cable Wire Lead Positive Alternator Starter B+ 7856817
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 9247481
BMW X3 F25 Control Module CAS Unit ECU 20dX Diesel N47N 9247481
Promo price
€113.95
€68.37
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6821139
BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Unit Basic 6821139
Promo price
€113.95
€96.86
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 6922652-1
BMW 3 X3 X5 E70 E91 E83 1 Sunroof Sliding Roof Drive Unit Motor Actuator 6922652
Promo price
€39.95
€23.97
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9231518
BMW F31 Antenna Aerial Diversity Trap Circuit 9231518
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6923502
Mini R50 One D Diesel W17 Cable Starter Base B- Wire 6923502
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9196937
BMW E93 Convertible Seat Control Unit Module ECU 9196937 FSV 7.14.0
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6916565
BMW 5 X5 Series E38 E39 E53 Hands-free Electronics Charging Module MOTOROLA
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 6863389
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863389
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 9171900
BMW X5 E70 X6 E71 Computer Control Unit DVD Player RSE MID PLUS PL4 9171900
Promo price
€360.95
€216.57
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 7316187
BMW F80 M3 F32 F33 Xenon Headlight Control Module Lear TMS 7316187
€56.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6929950
BMW 5 Series E60 E61 E63 E64 LCI CD Changer Magazine 6929950
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8582280-4
BMW F20 116d N47N 116HP Engine Control ECU DDE 8582280 Automatic Transmission
Promo price
€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9118064
BMW 7 Series E65 E66 Centre Console Vent Storage Compartment Support 9118064
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8581253
BMW X2 F39 F40 F45 X1 F48 Integrated Supply Power Module Control Unit 8581253
€70.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8652443
BMW F45 Wiring Harness Motor Sensor System Module 8652443
Promo price
€42.95
€25.77
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8368932
BMW E39 Alarm Sensor Comfort Control Module Unit ECU 55892110
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9354290-1
BMW X1 F48 Pedestrian Protection Impact Crash Sensor Module PTS 9354290
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6782372
BMW X1 X3 Z4 E83 LCI E84 E89 E90 E91 E92 Speed Sensor Cluster 6782372
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7795638
BMW 3 E90 E91 E92 E93 Cable starter-base B Diesel 7795638
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 9352786
BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9352786
Promo price
€75.95
€45.57
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9261598
BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Valencia Orange Metallic B44
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 6840094
BMW X1 F48 Rear Door Wiring Loom Harness Cable Left N/S 6840096
€37.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9187541
BMW Z4 E89 ECU Body Control Module H3 Junction Box 9187541
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 7556846
Battery Cable BMW E82 E90 E91 E92 N54 Alternator Starter Base B Cable 7556846
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6927786
BMW X5 Series E53 Amplifier Compensator Holder Catch Bracket 6927786
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 7852630
Differential Lock Module BMW F10 M5 F80 M3 Rear Axle Control Unit ECU 7852630
Promo price
€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 2990911
BMW X1 Series E84 Carrier Bracket Holder Control Module Unit 2990911
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9371789
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9371789
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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 .