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. A2056200018
Battery Box Bracket Mercedes W205 W213 W238 Trim Holder Right O/S A2056200018
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BMW X1 E84 Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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Mercedes C207 W212 Front Right Door O/S Control Unit Module A2129001829
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9329953
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BMW 3 Series E90 E91 E92 Engine Wiring Harness DDE 7796074
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Mercedes SLK R172 Pedestrian Protection Impact Crash Sensor Module A1729058300
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BMW F20 F21 F30 F31 Business Navigation Sat Nav Head Unit Player 9365833
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Air Module Mercedes W213 S213 W238 SRS Control Unit ECU A2139007105
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Fuse Box MINI R61 Paceman PL3 SPEG H4 Distribution Control Unit 3457577
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Mercedes W166 Control Unit Bracket Boot Trunk Module Unit Mount A1669006405
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Mercedes-Benz C M Class W163 W203 ESP Yaw Rotation Rate Sensor A0025428918
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BMW 1 3 4 F20 F30 F32 1 Driver Side Seat Wiring Loom Electric Harness 9339286
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Signal Control Module Mini R50 R52 Automatic Gearbox Transmission EGS 7578242
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Mercedes CL203 M271 Automatic Gearbox EGS Control Module Unit ECU A0015454416
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Mini R58 R59 Wiring Set Loom Harness PDC Rear Bumper 9283673
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Audi A3 8V Headlight Range Cornering Adjustment Control Module 8V0907357A
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BMW E60 E87 E90 120d 320d 520d M47N2 Engine Control ECU Kit DDE 7803373 CAS3 Key
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Halfords Advanced AGM 019 Start Stop Car Battery 12V 92Ah 850A
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BMW E60 LCI 530d X5 E70 3.0d M57N2 Engine Control Unit ECU DDE 8509035
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Mercedes W164 W169 W211 W245 Disc CD Changer A2118706189
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Pedestrian Protection Sensor BMW F10 F11 Front Bumper Crash Impact Unit 9261962
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BMW E82 E90 E91 E92 135i 335i N54 306HP ECU Kit DME 7583332 CAS3 Key Automatic
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Alternator Mini Cooper R55 R56 R57 R57 R58 Generator Petrol 7575650
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BMW E90 Footwell Light Module ECU Control Unit PL2 FRM Lear 9204536
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BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9352786
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Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
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BMW 7 Series E65 E66 Seat Control Module 9134633 9184560
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI TS14E110
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Sound Amplifier BMW F80 M3 F82 M4 Hifi Audio Unit Active Sound Design 9398997
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BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282
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Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
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MMI Multimedia Audi A4 B9 A5 F5 Q5 FY Navigation Control Head Unit 8W5035035A
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BMW F07 GT Light Control Footwell Module Unit ECU FRM III 9236459
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Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3453744
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Mercedes W213 Bonnet Actuator Pedestrian Protection Left Right N/O/S A2139062201
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BMW Banner AGM 12V Accumulator Battery 80Ah 800A 7602226
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Door Module Mercedes W169 W245 Front Right O/S Control Unit A1698203085
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Mercedes W211 Central Gateway Module Control Unit A2115405645
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BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 + Key
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BMW 3 Series E90 E91 E92 E93 Board Monitor Navigation Screen 8,8" 9179807
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Audi A3 8P Multimedia Radio CD Player Head Unit 8P0035186G
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Mercedes-Benz C W203 CL203 M111 Engine Wiring Harness Loom Cable A2035401905
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BMW 1 3 E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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Mercedes GLC X253 GLC 220d Diesel OM651 Engine Starter Motor Bosch A6519064800
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BMW F20 F21 F30 F31 F32 1 Body Control Unit Module REM 9329701
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BMW E90 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Mini Cooper One D R55 R56 W16 Positive Battery Power Cable Lead Wire 7571148
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BMW 7 Series E65 E66 Driver's Seat Airbag Sensor Control Unit Module
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BMW Banner AGM 12V Accumulator Battery 105Ah 950A 9321980 7604808
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Battery Cable BMW E82 E90 E91 E92 N54 Alternator Starter Base B Cable 7556846
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BMW 5 6 Series E60 LCI E63 CHAMP Business System Controller CD Player 9176832
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Mini R50 R52 R53 Sat Nav GPS Dashboard Display Head Unit Frame Cover 6972084
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Audi S3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433C
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Mini Cooper F54 F55 F60 B38 136HP Petrol Engine ECU Module DME 8662843 Manual
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BMW E53 Basic Body Control Module Unit GM3 61356935890 6935890
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BMW X5 X6 Series E70 E71 Battery Cable Wire Lead Positive Underfloor 9154716
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Fuse Box Mercedes W205 W213 C238 C253 Control Unit Module A0005408250
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Keys Manual
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BMW E60 E87 E90 CAS 3 Key Reading Module Control Unit ECU 9147226
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Mercedes W221 Digital Audio DAB Receiver Control Unit Module A2219000100
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Mini Cooper S R56 LCI N18 1.6 184HP Engine ECU Kit DME 8610006 CAS3 Key Manual
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Rear Speaker BMW E63 E64 Door Card Loudspeaker Left Right N/O/S Logic 7 7899655
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Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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BMW 5 7 Series E60 E61 E65 E66 Front Seat Control Module Unit Ecu 6920449
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Audi A4 B8 2.0 TFSI Petrol Engine Starter Motor 06H911021
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Citroen Dispatch Front Fuse Box BSM Control Unit Module 9807028680
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BMW 3 Series E92 N52N 325i 218HP ECU Kit DME CAS3 + Key 7567362 Manual
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9294300
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Comfort Module Unit BMW F20 F21 F30 F31 F32 Body Control FEM ECU LR01 6825538
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BMW E87 E90 118i 318i N43 143HP Engine Control Unit ECU DME 7579142 Automatic
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Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T-14A073-BB
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BMW 1 Series E81 Xenon Footwell Light Control Module LCM PL2 FRM II 9175653
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VW Polo 6R Seat Ibiza Mk4 Starter Motor Bosch 1.2 Petrol CGPB 02T911023R
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Audi A6 C7 BCM Body Comfort Convenience Module Unit ECU 4H0907064CN
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Audi Q5 FY Gateway Control Module Unit ECU 8W5907468F
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BMW F12 Front Lamp Headlight Main Control Module Unit ECU 7268672
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Audi TT 8N BAM 1.8 T Quattro 225HP Petrol Engine Unit ECU Manual 8N0906018H
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Mercedes Vito Viano W639 Side Sliding Door Control Unit Module ECU A6399000300
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Trunk Lid Module BMW F40 F90 M5 G20 G30 Power Tailgate Control Unit 9451484
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Audi VW Volkswagen Seat Relay Unit Module 9 Pins 12V UH2 4B0955531A
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Mercedes Citan W415 Bluetooth USB Audio Stereo Radio Head Unit A4158203100
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Mercedes W906 311 CDI 109HP 646.985 Engine ECU Kit A6461506372 Key Lock Manual
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BMW X1 E84 xDrive 18d N47 143HP Engine Unit ECU DDE 8512499
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BMW F10 F11 525d N57 204HP Engine Control Unit ECU DDE 8513161 Automatic
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BMW E87 E90 118i 318i N46 129HP ECU DME 7552176 Manual Transmission
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Part no. A2711500391-5
Mercedes W204 C 250 271.860 204HP Engine Control Unit ECU A2711500391 Automatic
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BMW G11 ECU Body Domain Controller BDC Comfort/Convenience Module 8801716
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Part no. 7579142-6
BMW E87 LCI E90 118i 318i N43 Petrol ECU Engine Control Kit DME 7579142 CAS3 Key
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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 .