Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
-40%
Part no. 7444684
BMW 1 3 Series F20 F21 F30 LCI Headlight Control Unit Module FLE2 7444684
Promo price
€89.95
€53.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8588448
BMW 1 3 Series F20 F21 F30 LCI Wiring Harness Engine Glow Plug Module 8588448
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 1388911
BMW E36 E38 E21 E85 R52 R57 Change-Over Contact Relay Violet 1388911
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 7492026-1
Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026
Promo price
€94.95
€80.71
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8512499-2
BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Key
Promo price
€94.95
€56.97
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8474730
BMW F20 F21 F30 F31 LCI 120d 320d Diesel B47 190HP ECU DDE 8474730 Automatic
Promo price
€341.95
€205.17
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9351155
Control Panel BMW X3 F25 X4 F26 Radio Player High Audio Unit Module 9208591
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8585935
BMW F20 F23 F30 F34 F36 LCI Automatic Gearbox Wiring Loom Harness 8585935
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6989713
BMW 1 3 Z4 Series E88 E89 E93 Convertible Cabrio DWA-Alarm System Module 6989713
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9253637
BMW 3 5 Series F10 F11 F30 F31 Airbag Control Unit Module 9253637 65779253637
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9154358
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 9154358
Promo price
€66.95
€40.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9231091
Bluetooth Control BMW E60 E87 E90 Telematics Unit Module 9231091
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9331597
BMW F20 F21 F22 F30 F31 Alpine CD Radio Player Head Control Unit 9331597
Promo price
€51.95
€44.16
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6864208
BMW F20 F21 F22 F30 F31 Air Module ECU ICM Control Unit 6864208
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7218339
Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump ECU 7218339
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9381299
BMW F20 F21 F30 F31 Business Navigation Sat Nav Head Unit Player 9365833
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9196936
BMW 1 3 Series E87 E90 E91 E92 Seat Control Unit Module ECU 6926371
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9133281
BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 6863385
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863385
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9322122-1
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9317872
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9323784
Promo price
€42.95
€36.51
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8355056
BMW 5 X5 Series E53 Fuel Tank Flap Actuator 8355056
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 3453791
BMW X3 E83 LCI Crash System Control Unit Module ECU 3453791
Promo price
€47.95
€40.76
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8352336
BMW X3 X5 E39 E46 E60 E61 E83 E90 E91 Glove Box Torch Charger Sock 8352336
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 6913389
BMW X3 X5 Z4 E53 E83 E85 6 Disc CD Changer Multichanger Without Magazine
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 7253188-1
BMW 3 Series E92 Sports Seat Left Right Thigh Support Cover Trim Leather Dakota
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9201128
Rollover Controller BMW E88 E93 Mini R57 Convertible Control Unit Module 9201128
€42.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 6954776
BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9329703
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9329703
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9288770
BMW F20 F21 F22 Mid Range Sound Speaker Stereo HiFi 9288770
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9247472
BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR 9247472
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 7457873
BMW F20 F21 F30 LCI Headlight Control Unit Module FLE2 7457873
€94.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8572129
BMW 2 3 Series F22 F30 Diesel N47N Wiring Loom Harness Engine Module 8507896
Promo price
€42.95
€36.51
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 6856314
BMW 1 3 Series F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9294199
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9294199
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7802158
BMW E60N E81 E87N E90 E90N E91 E91N E92 E93 Wiring Harness Engine Glow Module
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9261580
BMW F20 F21 F30 F31 PDC Parking Sensor Ultrasonic Glacier Silver A83
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9491419
BMW F45 F48 F15 F31 F36 Mini F60 Trunk Lid Automatic Lift Control Module 9491419
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9264923
BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264923
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8378113
BMW Z4 Series E85 E86 Interior Fuse Box 8378113
Promo price
€26.95
€25.60
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 7229173
Fuel Pump Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump Module ECU 7229173
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9370431
BMW X1 Series F48 KaFAS Camera Assist Speed Limit Control 9370431
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 7209286
BMW E60 E61 E81 E87 E90 Control Unit For Fuel Pump ECU 7209286
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9196938
BMW E93 Seat Control Module Unit ECU 9148266
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6867168
BMW 1 2 Series F20 F21 F30 F31 N13 N47N ECU ICM Control Unit Module 6867168
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6975015-1
BMW X1 Z4 E81 E84 E87 E88 E89 E90 E91 E92 1 Radio Business CD 6975015
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 4030026
BMW Z4 E85 Xenon Headlight Resistor Ballast Relay Module Unit 4030026
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9231515
BMW F31 Rear Antenna Aerial Amplifier AM/FM DAB 9231515
Promo price
€66.95
€56.91
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 7595179-2
BMW 1 Series E81 E87 LCI N43 116i 2.0 Petrol ECU Kit 7595179 DME CAS3 Key
Promo price
€142.95
€121.51
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9150889
BMW E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9150889
Promo price
€47.95
€40.76
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9233034-SCG
PDC Parking Sensor BMW X5 E70 F10 F11 F12 Ultrasonic Sensor Space Grey 9231283
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8512043-1
BMW E90 E91 LCI 318d N47N ECU Kit DDE 8512043 + CAS3 + Key Manual
Promo price
€99.95
€59.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9123739
BMW 1 3 5 7 Series E81 E87 E90 E91 E92 F01 USB USB Hub Audio Interface Module
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 7552176-7
BMW Z4 E85 2.0i N46 150HP ECU Engine Control Kit DME 7552176 CAS2 Key Manual
Promo price
€332.95
€199.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7181313
BMW X1 E84 E90 E91 Door Handle LED Light Lighting Left N/S 7181313
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6865298
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6865298
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8506281
BMW E81 E87 E90 LCI 116d 316d 118d 318d N47 Engine ECU DDE 8506281 Manual
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6887752
ICM Air Module BMW F20 F21 F22 F30 F31 Control Unit ECU 6887752
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9264573
BMW 3 Series E91 LCI ECU Body Control Module Junction Box H2 9264573
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7490465
BMW F10 F20 F30 F31 Mini F55 F56 Seat Heating Module Control Unit ECU 7490465
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9244189
BMW F20 F21 F30 F31 Telematics Module Bluetooth Combox Telematik ECU 9244189
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9231320
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 9231320
Promo price
€89.95
€76.46
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6868598
BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Control Unit Module 6868598
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8375408
BMW X5 E39 E53 Steering Column Wiper Switch Stalk 8375408
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6926459
BMW X1 E81 E82 E84 E87 E88 E90 E91 E92 Climate Control Solar Sensor 6926459
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9348726-1
BMW F20 F21 F30 F31 Air Module Control Unit ECU 9348726 0285012518
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9267958
BMW F20 F30 MINI F56 Control Unit Air Conditioning Module 9267958
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9251748
BMW E81 E87 E90 E91 E92 LCI Combox Telematics Module Navigation 9251748
€132.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8373700-2
BMW E60 E63 E87 E90 E91 4X Relay Make Contact White Green Set 8373700
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9269020
BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020
€151.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8583091
BMW X5 E70 G11 Integrated Supply Module Ecu Control Unit 8583091
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9154413
BMW E93 Convertible GPS Aerial Antenna Unit Module 9154413
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7631109
BMW F20 F21 F30 F32 F87 Battery Cable Negative IBS 7631109
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9134479
BMW E90 ECU Body Control Module ECU H1 61359134479 9134479
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9133913
BMW Z4 E89 Roadster Convertible HiFi Speaker System Amplifier 9133913
Promo price
€75.95
€45.57
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6982394
BMW E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6982394
€56.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6938211
BMW 3 Series E90 E91 M3 Wiring Loom Front Door Right Driver's Side 6938211
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9299594
Central Gateway BMW X3 F25 X4 F26 Module Control Unit Lear ZGW-02 4SK 9299594
Promo price
€62.95
€53.51
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9286785
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9286785
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9347470
BMW 1 3 Series F20 F21 F30 Control Unit Controller Touch 9347470
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8514120
Preheating Control BMW F20 F21 F30 F31 LCI B47 Glow Plug Unit Diesel 8514120
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9264571
BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359264571 9264571
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6951674
BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Sparkling Graphite A22
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9374506
Body Control Unit BMW F20 F21 F30 F31 F32 Module REM 9374506
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 6981416
BMW E87 E90 E91 CAS 2 Control Unit ECU Key Reading Module 6981416
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6925330
Central Bass Speaker BMW E81 E87 E90 E91 E92 Stereo Audio Right O/S 6925330
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9395176
FEM Module BMW F20 F22 F30 F32 ECU Control Unit Fuse Box 9395176
Promo price
€132.95
€79.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6933529
BMW 5 Series E60 E61 Centre Console Switch Centre DSC 6933529
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 6922652
BMW X3 E91 E83 Sunroof Sliding Roof Drive Unit Motor Actuator 6922652
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6950181
BMW E93 Aerial Antenna Amplifier Diversity Control Module 6950181 9187798
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8576333-2
Engine Unit ECU BMW F20 F30 F32 120dX 320dX 420dX N47N 184HP DDE 8576333 Manual
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 7640508-2
BMW 1 3 4 Series F20 F21 F30 F31 F32 F33 Cooling Fan Control Unit Radiator
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6915327
BMW E46 E39 E60 E81 E87 E90 E91 F10 F20 F30 Relay Make Contact Sky Blue 6915327
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8582280-5
Engine Control Unit BMW F20 F30 F31 118d 318d N47N 143HP ECU DDE 8582280 Manual
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7636937
Ping Sensor BMW F20 F31 LCI Mini F55 F56 Engine Block Knock Sensor 7636937
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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 .