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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BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9231093
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BMW F20 F21 F30 F31 LCI B38 B48 Alternator Generator Denso 14V 220A 8645329
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BMW E38 E39 Basic Control Unit Module ABS ASC Computer ECU 1164130
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BMW X3 E83 Fuse Grouping Front Stick-on Label Diagram 9267980
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BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A 2248296
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch
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BMW 1 Series E87 1 ECU Body Control Module Junction Box H2 PL2 JBBFE II 9160189
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BMW F20 F30 LCI Harman Head Unit High 2 Media Sat Nav Radio NBT EVO HU 6822066
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BMW F20 F21 LCI F30 150HP 118d 318d B47 Engine Unit ECU DDE Set 8587952 Manual
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BMW G20 Reverse Rear View Camera 5A63731
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BMW 3 5 7 Series E36 E38 E39 Key Transmitter Receiver Module Unit 8379502
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BMW 3 Series E90 320si 173HP DME 7560955 Petrol N45 ECU Kit CAS2 + Key Manual
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BMW E60 E90 N52 325i 525i ECU Kit Control Unit DME 7577968 CAS2 Key Automatic
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Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7314798
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BMW 5 6 Series E60 E61 E63 6-disc Compact CD Changer Without Magazine 6986081
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BMW F10 Sound Audio Amplifier Control Unit Module 9320144
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BMW E39 525d 530d E53 3.0d M57 Basic DDE Control Unit DDE 7790220 Automatic
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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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BMW X1 E84 Reversing Rear View Camera Control Unit Module 16129510
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BMW E39 E46 E53 Radio BMW Professional TMC 65128385897 8385897
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Front Seat Module BMW E87 E90 E91 E92 Control Unit ECU 6926359
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BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 9134025
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BMW F30 Rear Bumper PDC Wiring Loom Harness Cables 9224950
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Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Plus Unit 6879835
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 6948336
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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. 7640875
Alternator Generator BMW F10 F20 F30 LCI Diesel Engine Unit Denso 180A 7640875
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Part no. 7616119
Alternator Generator BMW F10 F11 F20 F21 F30 F31 N55 Denso 14V 210A 7616119
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BMW 1 3 5 E60 E61 E87 E90 E91 N52 WAI Alternator Generator 155A 11077N
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BMW F10 CAS 4 Car Access System Control Module Unit ECU CAS4 CG+ELV 9282119
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BMW X5 Series E53 3.0d M57N 218HP ECU Kit DDE 7800131 EWS3 + 2 Keys Automatic
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BMW E87 Footwell Light Module Control Unit NSW PL2 FRM II Lear 9166707
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BMW 1 Series E81 E87 LCI Positive Battery Lead Cable Wiring
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BMW 1 Series E87 ECU Light Module Control Unit NSW PL2 FRM II Lear 9204525
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BMW 5 X5 Series E61 E61 LCI E70 Telematics Bluetooth Control Unit Module 9171347
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AdBlue Adapter Cable BMW F30 F31 F36 Lead Wiring Harness Loom 6841420
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BMW E60 E61 Body Gateway Control Module Unit KGM HIGH Lear 9133143
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BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477
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BMW Z4 E60 E61 E63 E85 Air Module Control Unit Module ECU 9160557
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BMW 1 3 E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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BMW 1 3 5 Series E60 E81 E87 LCI E90 Hands-free Bluetooth Module High MULF2
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Part no. 7575875-3
BMW E90 E91 E92 335i 306HP Engine N54 ECU Kit DME 7575875 + CAS3 + Key Automatic
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Part no. 8634167
Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Denso 8634167
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*BMW 1 3 Series E87 E90 M-Audio System Controller Navigation Business 6965047
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BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8518168 CAS3 + Key Manual
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BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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On Board Navigation BMW E60 E63 Display Monitor Screen 8,8" 6952328
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BMW E90 E91 E92 E93 LCI Diesel Alternator Generator 175A 150 14V 8507623
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BMW 3 Series E46 1 Touring Rear Bumper PDC Cables Wiring Loom Set 8369503
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Battery Cable BMW X5 F15 X6 F16 Positive Plus Pole Distribution Wiring 9322056
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ECU Kit BMW F20 F21 114d Diesel N47N 95HP DDE 8573260 + Key + FEM + Lock Manual
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BMW 3 5 7 X5 E38 E39 E46 E53 M54 Engine Generator Alternator 120A
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BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 9340339
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BMW Z4 E85 2.5si N52 218HP Engine ECU Control Unit DME 7561684 Manual
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BMW 5 Series E60 E61 530d M57N 218HP ECU Kit DDE 7796637 + CAS2 + Key Automatic
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4 x BMW E63 E64 E93 Alarm System Module Sensor DWA Control Unit Set 6950525
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BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME Manual 7565300
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BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional CD 9187108
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BMW Z4 Series E85 E86 Body Control Unit Module GM5RD 12V 6931707
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BMW 3 Series E90 E92 E93 M3 Hydraulic Unit DSC ABS Pump 7844739
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Part no. 8506566-5
BMW E90 E91 LCI 320d ed N47N 163HP Engine ECU Kit DDE 8506566 CAS3 + Key Manual
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Part no. 8610678-1
BMW X1 Series E84 20i N20 184HP ECU Engine Kit DME 8610678 CAS3 + Key Manual
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BMW 1 2 Series F20 F21 F22 2 Positive Plus Pole Battery Blow Cable 9253111
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BMW E60 E90 E91 325i 525i N52 218HP Engine ECU Kit DME 7559178 CAS2 + Key Manual
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BMW F20 F21 F30 F31 118d 318d N47N Engine Control Unit ECU DDE 8579479 Manual
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Part no. 7521123-1
Starter Motor BMW E60 E81 E87 E90 F20 Bosch 0986021500 7521123
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BMW F10 Control Unit Box F07 F11 Engine Ventilation Housing Box 7555176
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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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BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Manual
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Part no. E93 Wiring Loom Set PDC Rear-1
BMW 3 Series E93 Convertible Cabrio Wiring Loom Set PDC Rear Bumper Set
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BMW E81 E82 E83 E84 E85 E87 E90 Petrol Denso Starter Motor 7524843
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BMW F20 F21 114i N13 Engine ECU DME Kit FEM + Key 8614302 Manual Gearbox
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BMW Z4 E89 Driver's Side Door Wiring Harness Loom Module Carrier 9207915
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BMW E87 E90 Navigation System Professional CCC Navi Controller 6987692
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BMW X3 X5 E39 E46 E53 E83 Mini R50 R52 Control Unit Control Unit EWS3 6905668
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BMW F23 REM Rear Electronic Module Fuse Box Control Unit V2 9374507
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BMW F10 F11 On-Board Screen Central Information Display Monitor 10,25" 9266385
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BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM3R Lear 9159812
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BMW G11 G12 G30 G31 G32 B57 Wiring Loom Harness Injection Injector Cable 8571110
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Telematics Module BMW F20 F21 Bluetooth Teleservices GPS Control Unit 2622605
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BMW E60 M5 E63 E64 M6 S85 Starter Motor 7835126
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BMW 5 Series E60 E61 Cable Loom Passenger's Door Wiring Harness 6972584 6982359
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BMW E60 Light Control Module Unit Lear LM II E6X LWR LCM 9137775
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Amplifier Bracket BMW X1 F48 F46 Control Unit Module Holder Mount 6831329
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BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Keys Manual
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BMW F23 Cabrio Convertible Folding Top Module CVM 8 Unit 9378072
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Amplifier BMW F30 F31 F32 Top Hifi Audio Sound Amplifier Harman Kardon 9366164
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BMW 3 Series E90 E91 E92 E93 Positive Battery Lead Distribution Box Cable Rear
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BMW E53 4.4i M62 286HP Engine ECU Kit DME 7508698 + EWS3 + Key Automatic
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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 .