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. 8607569
BMW X5 F15 40eX N20 Hybrid Starter Motor Automatic Transmission 8607569
Promo price
€170.95
€102.57
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 9273630
BMW F13 Footwell Light Module Control Unit ECU FRM3 9273630
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 5A0E219
Adblue Module BMW F40 F44 F45 X1 F48 Control Unit ECU SCR 5A0E219
€32.95
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 7624619
BMW F10 Cable Generator Alternator Starter Base B+ 7624619
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 8573257-7
BMW F30 F31 320d ed Diesel N47N 163HP ECU Kit DDE 8573257 + Key + FEM Automatic
€123.95
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 7118854
BMW Z4 Series E85 Cable Loom Wiring Harness Rear Window Heating 7043906
Promo price
€56.95
€34.17
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 7789755
BMW 5 6 Series E60 E61 E63 E64 LCI Cable Starter-Base B 7789755
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9145172
BMW E90 E91 E92 E93 LCI Battery Bracket Lower Section Box 9145172
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 7807802-1
BMW X5 E70 LCI X6 E71 N57 N57S Cable Alternator Starter Base B Wiring 7807802
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 9257098
BMW F10 F11 F20 F21 F22 F30 F31 Front Seat Control Module ECU 9257098
Promo price
€56.95
€48.41
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9189906-1
BMW E88 E93 Air Module Control Unit ECU 9189906
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 6958358
BMW 5 X5 Series E39 E53 Hands-free Electronics Charging Module MULF 6958358
Promo price
€132.95
€79.77
Free delivery: Feb 4 – 9
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: Feb 4 – 9
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: Feb 4 – 9
If paid before 14:00

-40%
Part no. 8510832
BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Automatic
Promo price
€151.95
€91.17
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9171984
BMW E60 E61 E63 E64 LCI Control Unit Lane Departure Warning Module ECU 9171984
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 7644747
BMW F10 F11 F30 Petrol N20 ECU DME Engine Control Unit Module 7644747 Manual
Promo price
€398.95
€239.37
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 7394466
BMW F10 F11 X5 F15 LCI F32 F33 Adblue Module Control Unit ECU SCR 7394466
Promo price
€75.95
€45.57
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 9247398
BMW F01 F10 F11 F12 Body Control Unit Module Gateway ZGW-01 9247398
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 8367253
BMW E38 Fuse Box Battery Power Junction Control Unit Module 8367252 8367253
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 8585933
Wiring Loom Harness BMW F20 F30 F36 LCI B47 Engine Gearbox Module 8585933
Promo price
€123.95
€74.37
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 7188557
BMW F10 S63N Control Unit Fuel Pump 7188557
€360.95
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 9437949
BMW F20 F21 F22 F30 F31 LCI Radio CD Player Navigation High Head Unit 9437949
€474.95
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9316568
BMW X5 F15 X6 F16 Front Fuse Box Relay Module Control Unit 9316568
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 8581872
Engine Wiring BMW F10 F11 N57Z Diesel Gearbox Loom Module Harness 8581872
€42.95
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 9226333
BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9226333
Promo price
€80.95
€48.57
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 7514357
BMW Z4 E85 Roadster Cabrio Cable Alternator Starter Base B 7514357
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 6990089-1
BMW 6 X3 Series E63 E83 Radio Antenna Amplifier Suppression Filter
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 2622341
BMW 2 3 5 Series F10 F22 F30 F32 Antenna Amplifier Module Trap Circuit 2622341
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 6947817
BMW E65 E66 IDrive Control Unit Front Centre Console Module ECU 6947817
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 7188487
BMW E93 Convertible Battery Mounting Bracket Clamp Bolt Holder Mount 7188487
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 8387568
BMW 7 Series E65 E66 Battery B Engine Compartment Terminal Point 8387568
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 6824110
BMW 3 F30 LCI 330e Hybrid High Voltage Battery Wiring Loom Harness 6821420
Promo price
€94.95
€80.71
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 7619144
Engine Wiring BMW F10 F20 F21 F30 N20 Loom Harness Ignition Module 7619144
Promo price
€56.95
€34.17
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 8510829-5
BMW E90 E91 LCI N47N 320d ECU KIT DDE 8510829 CAS3 + Key Manual
Promo price
€70.95
€60.31
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 9259354
BMW F10 F20 F30 Camera Module Reversing Rear View Camera Control 9259354
Promo price
€108.95
€65.37
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 8636070
BMW 3 F30 LCI 330e B48X Engine Gearbox Module Wiring Cable Loom Harness 8636070
Promo price
€113.95
€68.37
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 8583653
BMW F10 F30 F31 LCI N57N Wiring Harness Engine Glow Module 8583653
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 6986879
BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6986879
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 9154413-1
BMW E93 LCI Convertible GPS Antenna Aerial Unit Module 9154413
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 6981142
Window Lifter Motor BMW E60 E61 Drive Actuator Front Right O/S 6981142
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 8378753
BMW 3 5 7 X5 Series E38 E39 E46 E53 E65 Reception Antenna RDC 433MHZ 8378753
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 9267467
BMW F13 Body Control Module Electronic Junction Box JBBFE 3 PL6 V3 9267467
Promo price
€80.95
€48.57
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 7555188-1
BMW F01 F07 GT F10 F11 F12 F13 Control Unit Box Cover Cap 7555189
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9287756
Loudspeaker Centre BMW F25 F15 Central Woofer Audio Speaker 9287756
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 9145350
BMW X3 E83 LCI EWS IV 4.4 Control Unit Module ECU 9145350
Promo price
€66.95
€56.91
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9237655-2
BMW E60 E61 E81 E87 E90 F10 Audio Aux In Socket Plug 9237655
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 8579479-2
BMW F20 F21 F30 116d 316d N47N 116HP Engine Control Unit ECU DDE 8579479 Manual
Promo price
€89.95
€53.97
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 9366409
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9366409
Promo price
€94.95
€56.97
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 9367350
KaFAS Camera BMW F10 F20 F30 Mini F55 F56 Front Control Unit Module ECU 9367350
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 6958446
BMW E65 E66 E67 Control Unit Door Front Passenger Side Module ECU 6958446
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9266838
BMW X3 F15 Can Bus Interface 120Ohm Control Module Unit ECU 9266838
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 6798872-1
BMW F10 F11 F30 F31 Wheel Module Tire Pressure Control RDC 433MHZ Unit 6798872
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9207416
BMW X6 E71 Map Card Fuse Box Grouping Diagram 9207416
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 6943085
BMW E60 E61 Air Module ECU Control Unit Gateway Module 6943085
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 8494948
BMW F40 F44 F48 Mini F54 Rear Tailgate Smart Opener Top Wire Sensor 8494948
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 7605060
BMW F20 F21 F30 LCI DENSO 170A Alternator Generator 7605060
€42.95
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 9212916
BMW 5 7 X5 E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor 9212916
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 6812250
BMW X1 F48 Door Wiring Loom Harness Cable Front Passenger Side N/O/S 6812250
€42.95
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9153136
BMW F01 F02 F03 LCI Holder Bracket Control Telematics Unit 9153136
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 7516404
BMW E60 Cable Starter Generator Alternator B+ Base Wire Harness 7516404
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9206056-TS
BMW F07 GT Rear PDC Parking Distance Sensor Titan Silver - 354
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 9290992
BMW F20 F21 F22 F30 F31 Radio Player CD Bluetooth Head Unit Control 9290992
Promo price
€113.95
€68.37
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 3452285
BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5"
Promo price
€265.95
€226.06
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9279823
BMW F30 REM Rear Electronic Module Fuse Box Control 9279823
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 8606306
BMW F10 F11 F30 184 HP Petrol N20 Engine Control Unit ECU DME 8606306 Manual
Promo price
€398.95
€239.37
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9125224
BMW 1 3 SERIES E87 E90 E91 Control Unit Airbag ECU NO CRASH DATA 9125224
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9153137
BMW F01 F02 F03 Holder Bracket Control Unit Top Rear Side View 9153137
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 9383963
BMW F20 F21 Amplifier AMP Audio Sound Booster HiFi 9383963
€113.95
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 6946108
BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 6946108
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 8639595-6
BMW F30 328i F32 428i N20 245HP Engine Unit ECU Kit DME 8639595 Automatic
Promo price
€332.95
€199.77
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9270490
BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
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: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9270356-2
Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270356
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
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: Feb 4 – 9
If paid before 14:00

-5%
Part no. 7634061
BMW F10 Engine Transmission Module Cable Loom Wiring Harness 7634061
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 8635813
Engine Wiring BMW F20 F30 F31 LCI B38 Valvetronic Servomotor Cable Loom 8635813
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 7391043
BMW F10 X1 F48 Mini F54 Rear Tailgate Smart Opener Bottom Wire Sensor 7391043
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 8494949
Rear Tailgate Sensor BMW F40 F44 F48 Mini F54 LCI Smart Opener Bottom 8494949
Promo price
€42.95
€36.51
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9267980
BMW F10 Fuse Location Diagram Map Fuse Grouping 9267980
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9350003-1
Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9153135
BMW F01 F02 F03 Holder Bracket Control Unit Amplifier 9153135
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 8510221-6
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
€108.95
€65.37
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 9175649
BMW E81 Footwell Light Module LOW PL2 FRM II 61359175649 9175649
€85.95
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9181454
BMW X1 E84 Aerial Antenna Noise Suppression Filter 9181454
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 9231466
BMW 2 3 4 Series F22 F30 F32 Antenna Amplifier Module Trap Circuit 9231466
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 3414469
BMW X3 E83 Fuse Grouping Front Stick-on Label Diagram 9267980
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 7823731
BMW E84 E90 E91 LCI 320xd N47 Cable Alternator Starter Base B
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 9225792
BMW Z4 E89 Wiring Loom Passenger Side Door Cables Cable Harness 9225792
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 8579478-4
BMW F20 F30 120d 320d Diesel N47N 184HP ECU Unit DDE 8579478 Automatic
Promo price
€94.95
€56.97
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 7549284
BMW 1 3 Series E87 E90 118i 318i N46 Wiring Loom Cable Harness Engine Gearbox
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 8709212
Body Control Module BMW F20 F30 F31 BCM Unit FEM Lear V12 ECU 8709212
Promo price
€142.95
€85.77
Free delivery: Feb 4 – 9
If paid before 14:00

-5%
Part no. 8644376
BMW G20 G30 F40 F45 Mini F54 F56 F60 Crankshaft Position Sensor 8644376
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 6928376
BMW 5 6 Series E60 E61 LCI E63 E64 Cable Wiring Set ARS Valve Block 6928376
Promo price
€47.95
€40.76
Free delivery: Feb 4 – 9
If paid before 14:00

Part no. 8507909
BMW F20 F30 Wiring Harness Engine Transmission Module Diesel Manual N47N 8507909
€94.95
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 9252812
BMW F10 F11 F01 Fuse Box Power Distribution Junction Relay Rear 9252812
Promo price
€51.95
€31.17
Free delivery: Feb 4 – 9
If paid before 14:00

-40%
Part no. 6870539
BMW F10 F11 F12 F13 Parking AID Control Module ECU 6870539
Promo price
€113.95
€68.37
Free delivery: Feb 4 – 9
If paid before 14:00

-15%
Part no. 9269896
BMW X3 F25 Business CD Radio Player Head Unit Control 9269896
Promo price
€165.95
€141.06
Free delivery: Feb 4 – 9
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: Feb 4 – 9
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .