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. 8603352-4
BMW F20 114i N13 1.6 102HP Engine Control Unit ECU DME 8603352 Manual
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Mercedes R171 Radio CD Player Stereo Navi Media Head Unit A1718200586
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Mercedes-Benz C E W203 W211 Parking Sensor Wiring Loom Cable Harness Front PDC
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On-Board Screen BMW F20 F30 LCI Information Display Touch Monitor 8,8" 8709339
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Screen BMW E60 On Board Monitor Display 8.8" FA. Alpine Automatic 6985868
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BMW AGM-Battery i3 I01 Hybrid Electric 60Ah 94Ah 120Ah Original 20Ah 9321815
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BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Electronic Unit FEM 8733499
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Head-Up Display BMW E63 E64 HUD Dashboard Screen Control Unit Module 6963887
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Audi TT 8N Wiper Relay Electrical Unit Brown 8N0955531B
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Barriquerot 6955116
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BMW E81 E87 E90 E91 E92 Radio CD Professional 9110678
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Part no. 7559178-10
Engine Control BMW E60 530i E90 E91 330i N52 Module ECU DME 7559178 Manual
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Mercedes ML W163 Transfer Box Control Unit Module ECU A1635457932
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BMW F06 F07 F10 F11 Comfort Module Body Control Unit Module BCM Unit ECU 9312768
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Mercedes CL203 Automatic Gearbox Transmission ECU Control Unit A0355450132
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BMW E81 E87 E90 LCI 120d 320d N47 177HP Diesel Engine Unit ECU DDE 7807827
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Mercedes W205 W213 Door Module Front Left N/S Control Unit ECU A1679002718
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BMW E91 Footwell Light Module Control Unit ECU FRM3R LED PL2 9249085
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Mercedes Viano Vito W639 Wiring Harness Tailgate License Plate Lamp A6394404809
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Battery Fuse Box Mercedes W204 Control Unit Module SAM A2075400340
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BMW E60 E90 LCI 325i 525i N53 218HP ECU Kit DME 7578020 + CAS3 + 2 Keys Manual
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Mercedes CLK W209 Radio CD Player COMAND Navigation Head Unit A2098203889
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Mercedes ML W163 Battery Bracket Mount Holder Carrier A1635410105
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BMW 1 3 Series 1 E87 E90 E91 M47N2 118d 318d ECU Kit DDE 7797496 CAS2 + Key
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6976154
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Linak TR-EM-208-H Electrical Control Unit Module Motor Linear Drive Controller
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Part no. 7545789-1
Mini Cooper R50 W10 116HP Engine Control ECU Kit DME 7545789 + EWS + Key Manual
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Air Suspension Module Mercedes W212 Regulation Level Control Unit A2129003608
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Mercedes Vito W447 Diesel Fuel Pump Control Module A0009008509
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Part no. 8X0919884E
Audi Q3 8U A1 8X SD Card Map Pilot Navigation Europe 2013 8X0919884E
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Radio Boost Mini R50 R53 Dolby Cassette Tape Player Control Unit Module 6918529
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Part no. 9317173-1
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V 19317173
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BMW E90 E92 335i N54 Engine Manual Gearbox Wiring Loom Harness Cable 7566522
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SD Card Mercedes W156 W176 W205 Garmin Map Pilot Navigation Europe A2189069202
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Part no. 9192680-1
BMW 5 6 E60 LCI E63 Radio CHAMP Business CD Player System Controller 9192680
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Part no. 8379376-1
BMW X5 Series E53 HiFi Audio Sound Speaker System Amplifier Amp Unit 8379376
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Part no. 9317119
BMW F01 F02 F04 F25 Amplifier Unit Top Hifi Audio 9317119
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Part no. 7810980-5
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
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BMW Z4 Series E89 ECU Body Control Module H3 Junction Box 61359227186 9227186
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BMW E81 E87 E90 E92 E93 LCI Cable Set Active Steering Wiring Harness 9186555
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Part no. L1BT-18B955-FB
Ford Transit Mk8 Display Screen Radio Multimedia Navigation Sat L1BT-18B955-FB
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Part no. A2669000300-1
Mercedes W245 B150 M266.911 95HP Engine Unit ECU A2669000300 Automatic
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Audi RS3 8V Potential Power Distribution Junction Box Jump Point 1K0937517
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MMI Multimedia Audi A4 B9 A5 F5 Q5 FY Navigation Control Head Unit 8W5035035A
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Part no. 7521123-1
Starter Motor BMW E60 E81 E87 E90 F20 Bosch 0986021500 7521123
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Mini Cooper R60 R61 ALL4 N18 1.6 122HP ECU Kit Unit DME 8652747 + CAS3 + Key
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BMW 1 3 Series E81 E87 LCI E90 116i 316i N45N ECU Kit DME 7567321 + CAS3 + Key
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Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A C543294A
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Mercedes W213 Ignition Control Unit Module ECU A2139003710
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Part no. 284B63414R
Mercedes Citan W415 Renault Kangoo 2 Fuse Relay Box Control Unit USM 284B63414R
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Part no. 7794218
BMW E60 E61 530d Diesel M57N 218HP Engine Unit Module ECU DDE 7794218 Automatic
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Mercedes W176 W246 Battery Box Trim Housing Cover Support Panel A2465410205
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Audi Q7 4L Air Suspension Adjustment Module Control Unit ECU 4L0907553
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Part no. 3456051-1
Mini Cooper R57 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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Mercedes Sprinter W903 Fuse Box Relay Electrical Box Unit A9015400350
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Part no. 7541335-4
BMW X3 E83 2.5i M54 192HP ECU Engine Control Kit DME 7541335 EWS3 Key MANUAL
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Part no. 7559178-7
BMW E60 530i E90 E91 330i N52 Engine Control Module ECU DME 7559178 Automatic
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Mercedes W203 OM646 Diesel Engine Wiring Harness Loom Cable A6461502233
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Mercedes SLK R172 Battery Cable Starter Alternator Wiring Harness A1725400233
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Audi A5 8T Multimedia Sat Nav MMI 3G Radio Player Unit Harman 8R2035666
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Ford Transit Custom Mk1 Front Windscreen Rain Sensor Module G3GT-17D547
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Part no. 8519663-15
Mini Cooper D R56 LCI R60 N47N 112HP Engine ECU Kit DDE 8519663 Key CAS3 Manual
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Part no. 6978272
BMW 1 3 Series E87 E90 Power Distribution Fuse Box Front 6906611
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Mercedes W203 W639 Audio 10 CD Player Audio Stereo Radio Head Unit A2038202686
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Part no. 9329702-1
BMW F20 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9329702
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Part no. 8639582-1
BMW F30 335i F32 F33 435i N55 306HP Engine Control Unit ECU 8639582 Automatic
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Part no. 6960096
BMW 7 Series E65 E66 Dashboard Control Display Screen 8,8" 6960096 6967626
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Part no. 3453934
Heater Wiring Mini R55 R56 R57 R60 A/C Air Conditioning Harness Loom 3453934
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Part no. A2045455401
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045455401
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Part no. A2479007709
Front Camera Module Mercedes C118 W177 W247 Lane Assist Control Unit A2479007709
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Part no. 7553735-9
MINI Cooper R50 R52 1.6i 116HP W10 Engine ECU Kit DME 7553735 + Key + EWS Manual
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Part no. rhd-A6461503456
Mercedes W204 OM646 Diesel Engine Wiring Harness Loom Cable A6461503456
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BMW 5 Series E60 LCI ECU Body Control Module Unit KBM Basis 9168833
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Part no. A1669008512
Mercedes GLE 250 AM Tailgate Trunk Control Module Unit A1669008512
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Part no. Halfords Advanced 80Ah
Halfords Advanced 12V AGM 115 Start Stop Accumulator Battery 80Ah 800A
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Part no. 7805286-4
BMW E92 E93 330d M57N2 231HP Engine ECU Kit DDE 7805286 + CAS3 + Key Automatic
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Gateway Module Mercedes C216 W221 Central Control Unit A2215406462
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Part no. 8589141-5
BMW F30 B47 318d 150HP Engine Control Unit ECU DDE 8589141 + Key Automatic
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Head Unit Mercedes W205 GLC C253 W447 Radio Navigation Media Unit A2059009128
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Part no. 6827065-1
BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R 6827065
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Audi Q7 4L Quattro Diesel 3.0 TDI ALternator Generator 180A Bosch 059903018K
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BMW E90 Light Control Footwell Module ECU MAX Brose FRM3R PL2 Lear 9390491
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BMW F20 F21 125d N47N Engine Control Unit ECU Kit DDE 8576364 Key FEM Automatic
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BMW 7 Series E65 E66 Navigation Sat Nav System CD Computer Player 6925270
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BMW Z4 E89 Door Wiring Harness Loom Front Driver's Side Cable 9255605
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Ford Transit Mk8 Radio Stereo Multi Media Sat Nav Head Unit JK2T18K810LB
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BMW EXIDE 12V Accumulator Battery 70Ah 570A 8381730
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Part no. 9315685-1
BMW 1 2 3 4 F20 F21 F22 F30 F31 F32 F36 Module Body Control Unit FEM 9315685
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BMW E90 E91 E92 E93 AHK Towing Hitch Tow Bar Control Module Unit ECU 6773731
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Part no. 9205930-1
BMW X5 E70 Telematics Bluetooth Control Unit Module ECU Continental 9205930
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Part no. 8K0907063D
Audi A4 B8 A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907063D
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BMW 3 5 7 X5 Series E61 E65 E70 E90 Telematics ECU Control Unit GSM 9206778
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Part no. 8796100
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 8796100
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Part no. A0061516001
Mercedes R171 W204 W212 Starter Motor Bosch M272 Engine Petrol A0061516001
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Bluetooth Module BMW E81 E87 E90 E91 Hands-free Control Unit MULF2 9149656
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Part no. A2049005810
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049005810
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Part no. A1648707889
Mercedes GL W164 Radio Player Audio Stereo CD Player Head Unit A1648707889
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Part no. 7561834-10
BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Key Manual
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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 .