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. 9225022
BMW 2 3 4 Series F22 F30 F31 F32 Battery Power B+ Distribution Box 9225022
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9322120
BMW F30 F31 F32 F33 Central Information Display Screen 6,5" 9322120
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6980078
BMW E88 Antenna Amplifier Aerial Diversity Module AMP 6980078
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6819651
BMW X5 F15 Rear Fuse Box Distribution Relay Module Control ECU Unit 6819651
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8584816
Engine Wiring BMW G20 G21 X3 G01 B57 Injectors Module Harness Loom 8584816
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6814183
Audio Control Panel BMW F20 F30 F31 F32 Operating Unit FBM 6814183
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 7316147
BMW F30 F31 F34 Headlight Module Xenon Headlamp Control Unit Lear TMS 7316147
Promo price
€70.95
€60.31
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9380322
BMW F01 F02 F03 F10 F11 F13 Central Gateway Control Lear Module Unit ECU 9380322
€47.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6928267
BMW E65 E66 E67 Gateway Sensor Air Module Control Unit 6928267
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8576341-1
BMW F20 F30 F31 116d 316d 116HP N47N Engine ECU Control Unit DDE 8576341 Manual
Promo price
€61.95
€52.66
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6939287
BMW E60 E61 E63 Air Module ECU Control Unit Centre Vehicle Sensor 6939287
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9350003
Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-5%
Part no. 3412574
BMW X3 Series E83 Rear Left Right Door N/O/S Wiring Loom Cables 3412574
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8512499-12
BMW X1 E84 xDrive 18d N47 143HP Engine Unit ECU DDE 8512499
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 6977679
BMW X5 X6 3 4 Series E70 F15 F16 F30 F31 F32 Cigarette Lighter Socket 6977679
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 7641652-1
Engine Wiring BMW F10 F31 F32 N20 Engine Sensor Module 1 Harness 7641652
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7928682
Radio Receiver BMW F40 F44 G20 G26 Radio Remote Control Unit 434 MHZ 7928682
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9196669
CD Changer 6 Disc BMW E81 E87 E90 E91 E92 Without Magazine 9196669
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8506444-1
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
Promo price
€332.95
€283.01
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8577834
BMW F30 X3 F25 N57N 330d 30dX 258HP Engine Control Unit ECU 8577834 Automatic
Promo price
€156.95
€94.17
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8573260-1
BMW F20 F21 116d ed Diesel N47N 116HP Engine Control ECU DDE 8573260 Manual
Promo price
€71.95
€43.17
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 7805349-2
BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE EWS4 Key 7805349 Manual
Promo price
€303.95
€182.37
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8610635-3
BMW F20 F30 F31 120i 320i N20 184HP Engine Control Unit ECU DME 8610635 Manual
Promo price
€237.95
€142.77
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9257151
BMW F20 F21 F30 F31 Telematics Module Bluetooth Combox 9257151
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6934002
BMW 7 SERIES E65 E66 Door Wiring Harness Mod Carrier Front Left N/S 6934002
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6938226-2
BMW 3 Series 2 E90 E91 LCI M3 Wiring Loom Rear Door Left Right 6938226
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9253482-2
BMW E87 Junction Box ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9253482
€23.95
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6928369
BMW E60 Dashboard Solar Receiver Sensor Plug Socket Wiring 6928369
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8631672
BMW 1 3 Series F20 F30 LCI M140i 340i Engine Gearbox Module Wiring Loom Harness
Promo price
€94.95
€80.71
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9292655
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9292655
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6927311
BMW E60 Front Seat Control Unit Module Controller ECU 6927311
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9149615
BMW E61 E65 E70 Telemetics Control Unit Bluetooth Control Unit Module 9149615
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8507893
BMW 1 2 3 Series F20 F21 F22 F30 F31 N47N Wiring Loom Harness Engine 8507893
Promo price
€47.95
€40.76
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6958447
BMW 7 Series E65 Control Unit Door Rear Passenger Side Hinten Low BFT 6958447
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 7518610
BMW E65 E66 E67 Earth Ground Battery Strap Cable 7518610
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 8626472-1
BMW F20 F21 M135i N55 326HP Petrol Engine Control Unit ECU DME 8626472 Automatic
€284.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8511958
Glow Plug Wiring BMW F20 LCI F45 F48 B37 Wiring Harness Engine 8511958
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8721882
BMW F20 F21 F22 F30 F31 LCI Head Unit Media DAB Navigation Professional 8721882
Promo price
€522.95
€444.51
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6938079
BMW E81 E87 E90 E91 PDC Speaker Trigger Contact 6969139 6938079
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6942990
BMW 5 6 Series E60 E61 E63 E64 Actuator Air Distribution Flap Matrix Heater
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6900583
BMW E65 E66 Power Distribution Box 6900583
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 6834091
BMW F87 F80 F82 Audio Amplifier Harman Becker Active Sound Design System 6834091
Promo price
€99.95
€59.97
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9207913-1
BMW F20 F21 F22 F30 F31 F32 F33 F36 Fan Motor Relay 9207913
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9286110
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9286110
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 6824129
Inverter Wiring BMW F45 Mini F60 Hybrid High Voltage Battery Cable Loom 6824129
Promo price
€70.95
€42.57
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 4752820
Positive Cable BMW F20 F21 Under Bonnet Battery Wiring Loom 4752820
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8806980
BMW i3 I01 LCI Door Wiring Cable Loom Harness Rear Left Right N/O/S 8806980
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7835872
BMW 5 Series E60 E63 E64 Carrier Holder Amplifier/Video Module Fairing EDC
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9233009
BMW F33 F83 M4 Convertible DWA-Alarm System Module Unit ECU 9233009
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9270354-1
Mini F55 F56 BMW F45 X1 F48 Rear Electric Power Distribution Fuse Box 9270354
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7928461
BMW G11 G12 G29 G31 G38 Radio Remote Control Receiver Module Unit 7928461
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7266666
BMW F11 Touring Control Unit Rear Tailgate Boot Lid Function Module 7266666
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9325884
BMW F36 Door Cable Front Driver's Door Wiring Loom Harness 9325884
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8509910
BMW X3 F25 X4 F26 Engine Electronics Control Unit Box Cover Trim 8509910
Promo price
€26.95
€25.60
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 3404568
BMW X3 Series E83 2.5i 3.0i Engine Starter Motor Positive Battery Cable 3404568
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6906618
BMW E60 E61 E63 E64 M5 M6 Power Distribution Fuse Box Rear 6906618
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8573260-2
BMW F20 F21 116d ed Diesel N47N 116HP Engine Control Unit DDE 8573260 Manual
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8578945-2
BMW F20 F21 F30 F31 116d 316d N47N 116HP ECU Kit DDE 8578945 Key FEM Lock Manual
Promo price
€341.95
€205.17
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7290719
BMW F40 F54 Cover Battery Vehicle Trim 7290719
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 7120204
BMW E93 Cable Wiring Loom Harness Hydraulic Pump 7120204 7191362
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9393780
BMW F45 F46 Mini F55 F56 F57 KaFAS Camera Front Lane Assist ECU Module 9393780
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6989068-PS
Parking Ultrasonic Sensor Mini R50 R52 R53 PDC Unit Sensor Rear Pure Silver 900
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9389560
Aerial Trap Circuit BMW G30 X3 G01 Antenna Amplifier Module Control Unit 9389560
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 5A02F94
PDC Module BMW F45 X3 F25 Mini F55 F56 F60 Parking Distance Sensor Unit 5A02F94
Promo price
€51.95
€44.16
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6863277
BMW F10 F11 LCI Electric Parking Brake Control Unit EMF Module 6863277
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 6993311
Seat Module BMW F20 F32 F33 Control Unit Front Left Right N/O/S 6993311
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 6955925
BMW X5 E53 X3 E83 Control Unit Sliding Lifting Roof Panorama 6955925
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8595865
Wiring BMW F32 F33 F36 LCI N57Z Engine Gearbox Module Wiring Harness 8595865
Promo price
€89.95
€76.46
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7607454
Battery Insert BMW F13 F12 F06 Battery Crashpad Foam Insulator 7607454
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-1
BMW E92 LCI PDC Wiring Loom Harness Rear Bumper
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9145115
BMW X5 Series E70 Power Distribution Fuse Box Front 9145115 6931690
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8506438-1
BMW E81 E87 LCI E90 E91 120d 320d N47 177HP ECU KIT DDE 8506438 CAS 3 Key
Promo price
€189.95
€113.97
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9150721
BMW E87N ECU Body Control Module H2 Junction Box 9150721
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
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 - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8518569
BMW F20 F21 F30 F31 N47N 116d 316d ECU Control Unit Module DDE 8518569 Manual
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9312596
BMW F12 F13 LCI F06 Gran Coupe Amplifier Hifi System Sound System Module 9312596
Promo price
€51.95
€31.17
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8513250-3
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS4 Key Automatic
Promo price
€203.95
€173.36
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9393144
BMW G11 G30 Fuse Box Power Distribution Electrical Control Unit Box Rear 9393144
€47.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6980020
BMW E63 E64 Rain Light Sensor Control Unit Module HUD 6980020
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 3417160
BMW X3 E83 LCI Cable Alternator Starter Base B 3417160
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6990090
BMW E61 E63 E90 E92 F06 Mini R55 R56 Trap Circuit Antenna 6990090
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9153418-2
BMW F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9267535
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V9 Lear 9267535
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7661503
Battery Cable Relay BMW E60 E64 E82 E90 Electrical Unit 7661503
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9142092
Bluetooth Antenna BMW X1 X3 Z4 E84 E89 F01 F02 F03 F25 Amplifier AMP 9142092
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9381020
BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9381020
€89.95
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9170453
BMW X5 E70 Footwell ECU Light Control Module Xenon FRM II Lear 9170453
€170.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6972611
BMW 5 Series E60 E61 Wiring Rear Left Right Door Cable Harness N/O/S 6982362
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 7619136
BMW E84 F25 F26 N20 Engine Sensor Module Wiring Cable Loom Harness 7619136
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8605144
BMW F20 F21 LCI F23 F30 F32 F33 Engine Wiring Loom Harness Cable 8605144
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6867169
Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Unit 6867169
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9318750
Head Unit BMW F10 F20 F22 F30 F32 Navigation Sat Nav DAB High 9318750
€113.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6970090
BMW E63 E64 Start Stop Switch Wiring Harness Cable Loom Connector 6970090
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9224872
BMW 1 2 3 4 Series F20 F21 F30 F80 Cover Power Distribution Fuse Box 9224872
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 7609656-3
BMW Z4 E89 Roadster 23i N52N 204HP ECU Kit DME 7609656 CAS3 Key Manual
€336.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6968649
BMW E93 Convertible Aerial Antenna Amplifier FM/AM Left N/S 6968649
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9277818
Antenna Amplifier BMW F23 Cabrio FM Radio Booster Unit Module 9277818
Promo price
€61.95
€52.66
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 .