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. A2045402710
Mercedes W204 Wiring Loom Cable Door Rear Left Right N/O/S A2045402710
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Mini Cooper S R55 R56 LCI N18 Wiring Loom Harness Engine Automatic Gearbox
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Mercedes ML W164 SLK R171 W211 C219 CD Changer 6 Disc Player Unit A2118705390
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BMW 5 7 X5 Series 5 E60 E61 E65 E70 Front Left Seat Height Adjustment Drive N/S
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BMW E60 M57 Engine Starter Motor 7794952 0001115041
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Mercedes W221 Sound Audio Amplifier Control Unit Module A2218702889
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BMW E87 E90 Navigation System Professional CCC Navi Controller 6987692
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Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000
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MINI Cooper S R52 R53 Automatic Gearbox Basic Control Unit Module EGS 7570253
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BMW 3 5 Series E60 LCI E90 325d 525d M57N2 197HP ECU Kit DDE 7809941 CAS3 Keys
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Audio Amplifier BMW F20 F21 LCI Mini F56 Top Hifi Harman Kardon Unit 9346572
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Mercedes CLS E Class W211 C219 Headlight Level Sensor Wiring Cable A2115406905
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BMW X5 E53 3.0d M57 184HP ECU Kit DDE 7789376 + EWS3 + Keys Automatic
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Differential Lock Module BMW F10 M5 F80 M3 Rear Axle Control Unit ECU 8092583
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BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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BMW E60 E87 E90 120d 320d 520d N47 ECU Engine Control Unit DDE 8506374 Automat
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Part no. 7595179-17
BMW E87 LCI E90 N43 118i ECU Control Unit Kit DME 7595179 CAS3 + Key Automatic
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Part no. 7575575
BMW EXIDE AGM 12V Accumulator Battery 90Ah 900A 7575575
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Part no. A1699010100-1
Fuse Box Mercedes W169 W245 Sam Control Module Unit ECU A1699010100
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Part no. 7586134-3
BMW Mini Cooper S R56 N14 1.6 174HP ECU Kit DME + CAS3 + Key 7586134 Automatic
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Mercedes SLK R171 Front Airbag Module Air Bag SRS Control Unit ECU A1718204326
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Part no. 9244189
BMW F20 F21 F30 F31 Telematics Module Bluetooth Combox Telematik ECU 9244189
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Mercedes W212 CDI Automatic Gearbox Control Module Unit ECU A0005456916
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Part no. 9274428-1
Parking Sensor Mini Cooper F54 F55 F56 F57 F60 PDC Ultrasonic Black 9274428 SET
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Part no. A1715450101
Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715450101
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Part no. 6874817
BMW F20 F21 F10 F11 LCI F30 F32 ACC Front Radar Sensor Module Unit 6874817
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Part no. A2059005122
Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059005122
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Part no. A9069004700-1
Mercedes Sprinter W906 Fuse Box SAM Control Unit Module A9069004700
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Part no. 9159028
Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9159028
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BMW 3 4 Series F80 M3 F82 M4 Adapter Lead Fanfare Horn Cable 9344840
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BMW Z4 Series E85 E86 Body Control Unit Module GM5RD 12V 6931707
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BMW 3 Series F30 Hifi Audio Sound Speakers Amplifier Control Unit ECU 9283511
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Part no. 7810002
BMW E81 E82 E87 LCI 123d N47S 204HP ECU Engine Control Unit DDE 7810002 Manual
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Part no. 7560626
BMW X3 Z4 E83 LCI E85 E86 Power Distribution Module Fuse Box 7560626
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Part no. rhd-7555018
BMW E92 E93 Engine Wiring Loom Harness Module 323i 325i 330i 7555018
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Part no. 7599881-14
BMW E87 LCI E90 E91 N43 116i 316i 122HP Engine Unit ECU DME 7599881 Manual
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Part no. 9330058
BMW F15 Top Hifi Audio System AMP Amplifier Harman Kardon 9330058
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Part no. 9227178-1
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9227178
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Part no. 6950814
BMW 5 6 E60 E61 E63 E64 M-ASK M-Audio System Controller CD Player 6950814
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Part no. A6089000200
Mercedes W177 Glow Plug Controller Module Relay A6089000200
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Part no. 9253209
BMW E81 E87 LCI E90 E91 N43 DC/DC Wandler Torque Converter Module ECU 9253209
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Part no. 7802471
BMW E87 E90 E90N E91 E92 E93 Alternator Generator Diesel 7802471
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Part no. 9144846
Mini Cooper R57 Cabrio Convertible Wiring Loom Harness Rear Trunk Lid 9144846
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Part no. 8699973
BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8699973 Dual Clutch
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Part no. 9232250
BMW 1 3 E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9232250
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Part no. 7589971-6
Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Key Automatic
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Part no. 8W5035035B
Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
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Part no. 6962723
BMW E60 Light Control Unit Module LME6X MAN.LWR Lear 6962723
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Part no. A2049005903
Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005903
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Part no. A1645405662
Mercedes W164 Central Gateway Control Unit Module A1645405662
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Part no. 6948577
BMW E60 Light Control Unit Module LM E6X MAN.LWR Lear 6948577
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Part no. 6927278
BMW 5 7 Series E60 E61 E65 E66 Front Seat Control Module Unit Ecu 6927278
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Part no. 8512498
BMW E84 20dX N47 177HP ECU Control Unit Kit DDE 8512498 Automatic Transmission
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Part no. 7796678
BMW E60 E61 535d M57N Engine Control ECU Engine Control DDE 7796678 Automatic
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Part no. 7601993
Mini Cooper One R55 R56 R57 R60 Neutral Start Stop Gearbox Sensor Module 7601993
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BMW F30 LCI G20 G30 Hybrid Fuel Tank Control Unit Module Unit 7452591
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Part no. 9224592
BMW 1 Series E87 Footwell Light Module Control Unit PL2 FRM3R 9224592
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Part no. 8380407
BMW X5 Series E53 Power Distribution Fusebox Cover Fuse Box 8380407
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Part no. 3451528-1
BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3451528
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Module Mercedes W639 Automatic Transmission Control Module Unit A0325453832
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Part no. rhd-9284984
Mini Cooper R55 R56 LCI Cable Set EPS Power Steering Wiring Harness 9284984
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Part no. 8385159
BMW 3 X3 Series E46 E83 Battery Cable Holder Mounting B Base 8385159
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Part no. 2348833
BMW Mini R55 R56 R60 Electronic Components Daytime Running Lights LED 2348833
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Part no. 9224595-1
BMW 3 Series E91 LCI Footwell Light Control Module LCM LED Basis 9224595
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Part no. 7579142-2
BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Manual
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Part no. 6934649
BMW 3 5 X5 Series E39 E46 E53 BMW Radio Professional TMC Becker 6934649
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Part no. 8K0907357B
Audi A4 B8 Headlight Range Module Control Unit ECU 8K0907357B
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Part no. 6989173
BMW 7 Series E65 E66 E67 PDC Rear Parking Sensor Ultrasonic Sterling Grey
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Part no. 3453743-1
Mini Clubman Cooper R55 Footwell Light Module High EKS ECU PL3 FRM II 3453743
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Part no. 7799856-6
BMW E60 E61 E90 330d 530d M57N2 231HP Engine ECU KIT DDE 7799856 CAS2 + Key
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Part no. 6969011
BMW E60 E63 E64 Body Control Module ECU Control Unit 6969011
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Part no. 9286882
BMW E92 Coupe Footwell Xenon Light Control Module Lear FRM3R PL2 9286882
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Part no. 9252004
BMW F30 Display Central Information Screen 8,8" Navigation Professional 9252004
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Part no. 9303541
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9303541
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Part no. 3456987
Mini Cooper R60 Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456987
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Part no. 9198826
BMW 1 3 Series E81 E87 E90 LCI Professional Navigation System Car Computer CIC
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Part no. A0009822723
Mercedes W205 Estate Fuse Relay Box Module Control A0009822723
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Part no. 9358616
BMW Varta VRLA / AGM 12V Accumulator Battery 90Ah 900A 9358616
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Part no. 281152957R-1
Renault Trafic Radio Stereo Audio CD Player Head Unit Sat Nav TomTom 281152957R
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Part no. 8P0919475M
Audi A3 8P PDC Parking Assistance Distance Control Module Unit ECU 8P0919475M
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Part no. A1699004800
Mercedes-Benz A B Class W169 W245 SAM Control Module Fuse Box A1699004800
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Part no. 7557809-5
BMW E87 E90 N45 116i 316i 116HP Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
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Part no. 8U1035192A
Audi Q3 8U Sat Navi Stereo Radio Audio Head Unit CD Player 8U1035192A
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Part no. 6840519
Negative Lead Battery Cable BMW G11 G30 G31 X3 G01 IBS Wiring Harness 6840519
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Part no. 7638001
BMW 1 3 Series F20 F21 F30 F31 N47N Earth Cable Battery Engine 7638001
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Part no. 7573863-1
BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7573863 CAS3 Key Automatic
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Part no. 7810950-4
BMW E90 330d M57N2 231HP Engine Control Unit Module ECU DDE 7810950 Automatic
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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. BOSCH-AGM-95AH
Bosch S5 A13 AGM Start Stop Accumulator Battery 95Ah 850A 12V
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Part no. 8580390
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
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Part no. 7803369-8
BMW E60 E90 330d 530d M57N2 231HP ECU Engine Control Unit DDE 7803369 Manual
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Part no. BOSCH-74AH
Bosch S4 008 Accumulator Battery 74Ah 680A 12V
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Part no. 7928646
BMW F34 GT Mini F55 F56 F60 Radio Remote Control Unit Receiver 434 MHZ 7928646
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Part no. A0045429218
YAW Rate Sensor Mercedes W203 W209 R171 Accelerator Speed Module A0045429218
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Part no. 9225711
BMW F07 GT Footwell Light Module Control Unit ECU FRM3 9225711
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Part no. 9262360
BMW X5 E70 X6 E71 CAS3 Control Unit Key Reading Module 9262360
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Part no. rhd-8508685
BMW 3 Series E92 E93 LCI 320d N47N Engine Wiring Loom Harnes Automatic 8508685
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Part no. 8736083
BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083
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Part no. 8615264
BMW F20 F21 F30 F31 LCI Device Holder Electronics Box 8615264
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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 .