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.
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Part no. 9304587
Body Control Module BMW X3 F25 ECU Junction Box JBBFE III 3 Lear 9304587
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Part no. 9257200-1
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9257200
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Battery Cable Mercedes W169 W211 Negative Lead Wiring Pole Harness A1665420318
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Light Module Mercedes W209 W219 W164 Headlight Headlamp Control Unit A2198202526
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Part no. 9267609
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609
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Fuse Box Mercedes W211 W219 Junction Relay Control Unit Module SAM A2115459001
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Mercedes W219 CLS350 CDI OM642.920 Engine Module ECU Kit A6421501230 Key Lock
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Air Bag Module Mercedes W211 Control Unit ECU Airbag Sensor A2118705885
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Part no. A9068200486
Radio Player Mercedes W639 W906 Audio Stereo CD Head Unit Display A9068200486
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Part no. 7553735-10
MINI S R52 R53 W11 Engine Control Unit Module ECU DME 7553735 Manual
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Part no. A1695403733
PDC Wiring Mercedes W169 W245 Front Bumper Parking Sensor Loom Cable A1695403733
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Part no. 9324784-1
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR01 ECU 9324784
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Part no. 9348726-1
BMW F20 F21 F30 F31 Air Module Control Unit ECU 9348726 0285012518
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Part no. 8511385-1
BMW F10 F11 530d N57 245HP Engine Control Unit ECU Module DDE 8511385 Automatic
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Part no. A2195450732
Mercedes CLS W219 Parking Sensor PDC Distance Control Unit Module A2195450732
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Part no. A1699007400
Parking Sensor Mercedes W169 W245 PDC Distance Control Unit Module A1699007400
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Part no. 7850609
BMW F80 M3 F82 M4 LCI Cable Wheel Acceleration Sensor 7850609
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Part no. A2129003608
Air Suspension Module Mercedes W212 Regulation Level Control Unit A2129003608
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Part no. 9249073
BMW X5 E70 LCI Light Module Footwell Module FRM3R Lear ECU Unit 9249073
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Part no. A1695403945
Mercedes-Benz B-Class W245 Central Gateway Control Unit Module ECU A1695403945
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Part no. 8506566-1
BMW 3 Series E90 E91 LCI 320d N47N 184HP ECU Kit DDE 8506566 CAS3 + Key Manual
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Part no. 6826790
BMW F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9387565
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Part no. 9371386
BMW 4 Series F33 F83 M4 Convertible Top Module CTM Unit 9371386
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BMW 4 Series F33 F83 M4 Switch Folding Top Sliding Up Down Roof 9366374
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Part no. 6991582
BMW 1 3 Series F20 F21 F30 F31 LCI Navigation Sat Nav Head Unit High 6819420
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Part no. 9204842
BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9204842
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Part no. 9383695
BMW F10 Footwell Light Module Control Unit ECU FRM III TEMIC 9383695
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Part no. A2218700092
Mercedes W203 W221 Rain Light Sensor Control Module A2218700092
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Part no. A2219006702
Mercedes W216 W221 Central Gateway Control Unit Module VST A2219006702
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Part no. A2218702993
Mercedes CL W216 W221 Air Module Control Unit A2218702993
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Part no. 7850995
Engine Wiring BMW F80 M3 F82 M4 S55 Inject Loom Cable Harness Injector 7850995
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Part no. 7428425
LED Module BMW F20 F21 LCI Headlight Front Lamp Headlamp 7428425
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Part no. A2219009603
Mercedes W221 Air Suspension ABC Control Unit Module A2219009603
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Part no. 7848603
Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603
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Part no. 9289007
BMW 5 F10 F11 On-board Central Information Display Screen Monitor 6,5" 9289007
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Part no. 9270356
Fuse Box BMW F40 Mini F55 F56 Power Distribution Junction Relay Unit 9270356
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Part no. A1698204185
Mercedes A B Class W169 W245 Airbag System Control Unit Module ECU A1698204185
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Part no. A6461507172-1
Mercedes W639 Vito OM646.980 116HP Engine Module ECU Kit A6461507172 Key Lock
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Part no. 7811111-3
BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key Automatic
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Part no. 9181326-1
BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9181326
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Part no. 7557395-1
Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7557395 EWS Key Manual
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Part no. 7798179-3
BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7798179 CAS2 + Keys
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Part no. 3456586
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3456586
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Part no. 7555926-1
BMW E60 LCI E81 E90 E91 Petrol Alternator Generator Bosch 180A
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Part no. LRT00134
Mercedes Sprinter W906 Engine Starter Motor Lucas LRT00134
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Part no. 9208241
Battery Clamp BMW F30 F31 F32 F80 Safety Positive Plus Pole Red 9208241
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Part no. A6395402710
Mercedes Vito W639 Key Reader Ignition Lock Cable Wiring Harness A6395402710
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Part no. 9246187
BMW E93 Audio Radio Sound Amplifier Unit HIFI System Lear 9246187
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Part no. 6822602
BMW F20 F21 F30 F31 Head Unit Basic Media Navigation Headunit 6822602
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Part no. 9258173
Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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Part no. 8067512
BMW F10 F11 F30 F31 Alarm System Unit Security Basis Module 8067512
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Part no. A1695420018-KB
Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Kosmos Black 191
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Part no. 8510221-8
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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Part no. 9186170
BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9186170
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Part no. 8642761
Integrated Supply Module BMW F40 X1 F48 Mini F55 F56 Control Unit Z11 8642761
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Part no. 8510221-5
BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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Part no. 1368035080
Battery Tray Citroen Relay Fiat Ducato Battery Housing Box Tray 1368035080
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Part no. 9382517
Audio Amplifier BMW F20 F21 F23 LCI I3 I8 Top Hifi Harman Kardon Unit 9382517
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Part no. 7550997-1
Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426
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Part no. 1480790-1
Mini R50 R53 Fuse Relay Electrical Box Housing With Cover 1480790
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Part no. 1617246180
Battery Terminal Citroen Relay Peugeot Boxer Positive Fuse Box A878
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Part no. 1362688080
Battery Cable Citroen Relay Peugeot Boxer Positive Wiring Harness 1362688080
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Part no. 7346699
BMW 3 4 Series F30 F82 M4 Carrier Mount Holder Backrest Left N/S 7346699
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Part no. 8386674
BMW 3 5 Series E46 F30 G30 G31 Battery Cable Negative Cable Minus Cable 8386674
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Part no. 9387561
Head Unit BMW I3 I8 Mini F56 Navigation Sat Nav DAB High Control Module 9387561
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Part no. 6500CY
Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 6500CY
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Part no. 9225022
BMW 2 3 4 Series F22 F30 F31 F32 Battery Power B+ Distribution Box 9225022
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Part no. 9311296
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296
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Part no. 9299265
BMW 1 2 3 Series F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9299265
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Part no. 8507915
Engine Wiring BMW F20 F30 N47S1 EU5 Loom Module Harness Cable 8507915
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Part no. 6982402-1
Parking Control Module BMW E81 E84 E87 E90 E91 E92 E93 Unit PDC 6982402
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Part no. 7542934
BMW 5 6 7 Series E60 E61 E65 N62N Petrol Alternator Generator 180A 7542934
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Part no. 9292248-1
Display Screen BMW F30 F31 F32 F33 Central Information Display 8,8" 9292248
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Part no. A0035422019
Relay Mercedes SLK R171 5-Pin Electrical Plug White 12V A0035422019 R1808002
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Part no. A0005405624
Fan Wiring Mercedes W639 W906 Heater Blower Unit Motor Cable Harness A0005405624
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Part no. 9395176
FEM Module BMW F20 F22 F30 F32 ECU Control Unit Fuse Box 9395176
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Part no. 2751265-7
Cable Wiring Mini R55 R56 Headlight Lamp Front Left N/S Plug Socket 6913653
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Part no. 7355333750
CD Radio Citroen Relay Peugeot Boxer Audio Player Head Unit 7355333750
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Part no. 8635808
Engine Wiring BMW F20 F30 F31 LCI B38 Loom Module 2 Harness Cable 8635808
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Part no. 7550967-1
BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967
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Part no. 6938106
BMW E65 E66 Steering Wheel Electronics Control Unit Module ECU 6938106
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Part no. 9253484
BMW 3 Series E90 LCI ECU Body Control Module H3 Junction Box 61359253484 9253484
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Part no. A2128702951
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
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Part no. 7335274
BMW X5 E70 X6 E71 Module Control Unit Trunk LidRear Tailgate Lift 7317419
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BMW F30 F80 M3 Rear Third Stoplamp Stop Lamp Brake Cover Trim 7259877
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Part no. 1306522070
Air Intake Duct Citroen Relay Peugeot Boxer Fiat Ducato Air Intake 1306522070
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Part no. 7543083-1
BMW 1 3 5 E60 E61 E87 E90 E91 N52 WAI Alternator Generator 155A 11077N
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Part no. 1308204070
Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 1308204070
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Part no. A6461507272-1
Mercedes W639 109CDI 646.980 Engine ECU Kit Ignition + Key + Lock A6461507272
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Part no. 7806987-5
BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Key
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Part no. A1695408033
Mercedes-Benz A W169 Front Driver's Side Door Wiring Loom Harness A1695408033
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Part no. 6953468
BMW 5 7 X5 Series E53 E60 E61 E65 E66 Handset Phone Mobile EVEREST 6953468
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Part no. 7553166-5
BMW E60 E90 E91 N52 325i 525i 218HP Engine Control Unit ECU DME 7553166 Manual
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Part no. 8510832-2
BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE 8510832 CAS3 + Key Manual
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Part no. 7812502-1
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Manual
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Part no. 9253563
BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563
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Part no. 9145102
BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC
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Part no. 6960226
Air Bag Module BMW E65 E66 Sensor Rear Seat Airbag Control Unit ECU 6960226
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Part no. 9170702
BMW 5 Series E60 E61 LCI CCC CD Sat Nav Head Player System Controller 9170702
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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 .