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. 8E0907279E
Audi A4 B7 Body Control Module BCM Comfort Unit Power Supply 8E0907279E
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Ford Transit Custom Engine Starter Motor 2.0 EcoBlue GK2T-11000-DB
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Mercedes W205 W222 Door Module Front Left N/S Control Unit ECU A2229001809
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Fuse Box Mercedes W204 W212 SAM Relay Control Unit Module A2045404150
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BMW 3 4 Series F80 M3 F82 F83 M4 Lithium-ion Car Battery 12V 69Ah 770A 8047220
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BMW F10 F20 F30 Head Unit Media Navigation Headunit Player Controller 8714316
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Volkswagen Touran 1T Front Centre Dashboard Tweeter Speaker 1T0035411P
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BMW G20 Starter Wiring Battery Alternator Cable Harness Loom 8483814
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Peugeot 207 Display Screen Dashboard Multifunction Monitor Unit 966448398000
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BMW 5 Series E60 E61 530d M57N 218HP ECU Kit DDE 7798422 + CAS2 + Key Automatic
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Part no. Bosch S5 008 77Ah Accumulator
Bosch S5 008 Accumulator Battery 77Ah 780A 12V
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Mercedes R231 Radio Stereo Sat Nav Display Screen Head Unit A2319002001
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Body Module BMW X3 F25 X4 F26 Control Unit Junction Box JBBFE 3 9384222
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Mercedes W221 PDC Parking Distance Sensor Control Unit Module ECU A2215406645
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Mercedes W221 Cover Wiring Cable Front Door Protection Seal Sleeve A2218210197
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Mercedes-Benz M ML W163 Front Left Right Door Wiring Loom Harness A1635403033
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Battery Cable Ford Mondeo MK4 Negative Lead Wiring Harness AG9N-10C679-DD
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Peugeot 308 Citroen Berlingo Negative Battery Terminal Cable Wiring 9661191580
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Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603
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Audi Volkswagen Seat Keyless Entry Module Aerial Antenna 5WA962133F
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BMW 3 F30 LCI 330e B48X HV Accumulator Battery Positive Cable Ground 7544893
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Audi Q5 FY Top Sunroof Opener Control Module Unit ECU 4M0907594J
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Mercedes S204 Door Module Front Left N/S Control Unit ECU A2048701826
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BMW 3 F30 LCI 330e Hybrid KLE Convenience Charging Control Unit ECU 8685982
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BMW F20 F30 F32 120d 320d 420d N47N Engine ECU Kit DDE 8578946 FEM Key Manual
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BMW 5 6 Series E61 E63 E64 LCI Map Card Fuse Box Grouping Diagram 9177872
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Mercedes-Benz S W221 BlueTec AdBlue Emission Control Unit Module A6429003701
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6982387
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Audi S4 B6 4.2 V8 BBK Quattro 344HP Engine ECU Kit 8E0910560 Ignition + 2 Keys
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BMW 3 4 Series F30 F31 F32 Control Unit Top Rear Side View Camera 9302258
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BMW E60 E61 530d M57N 218HP Engine Control Unit ECU DDE 7798422 Automatic
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Alarm Sensor BMW E84 E91 Ultra Sonic-Module System Control Unit 9260874
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BMW X3 E83 Z4 E85 E86 Radio Sat Nav Control Unit CD Player Control Unit 9146714
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Mini Cooper R57 R58 R60 R61 Amplifier Control Unit Hifi Harman Kardon 9260949
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Mercedes W176 Front Pressure Impact Crash Sensor Module With Hose A1769051600
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Audi A4 B7 Sat Navi Stereo Radio Audio Head Unit CD Player 8E0035192T
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Bluetooth Module BMW E81 E87 E90 MULF Hands free Electronics Charging 6975173
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Mercedes ML W166 Diesel OM642 Engine Automatic Transmission Wiring Harness
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Ford Transit Connect Mk2 Diesel Starter Motor 8V21-11000-AE
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AdBlue SCR Module Mercedes W907 W910 W447 Exhaust Gas Cleaning A0009002126
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Mercedes W906 314 CDI 651.958 143HP Engine Control ECU A6549009400 Manual
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Air Conditioning Module Mercedes W205 W213 C253 A/C Control Unit ECU A0009007126
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Audi Q2 GA Diesel Engine Alternator Generator Assembly Bosch 04L903024T
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Wireless Charger BMW F90 M5 G30 Centre Console Phone Module Unit 6801509
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BMW 3 5 Series E60 LCI E90 E91 325d 525d M57N2 ECU Kit DME CAS3 + 2 Keys 7806987
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Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine ECU A6519007401 Key
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BMW X3 E83 2.5i Petrol M54 192HP Engine Control Unit ECU DME 7548769 Manual
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Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Right O/S Control Unit 6960220
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Honda Stream S Alternator Generator 31100-PSA-013
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BMW E81 E87 LCI 118d E90 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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Rain Sensor Peugeot 3008 5008 Citroen C5 Windscreen Light Unit 9674436980
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Audi A4 B7 2.0 TDI Diesel Engine Control Unit ECU Module Manual 03G906016JD
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Mercedes W204 W212 Blind Spot Radar Sensor Rear Left Right N/O/S A0009050210
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Peugeot 307 Body Control Comfort Unit Module BSI Fuse Box 9651197480
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Air Intake Duct Peugeot 3008 Air Intake Channel Unit Duct 9683140380
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Head Unit Mini F55 F56 Navigation Head Unit Radio DAB Media Player 2449488
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BMW 3 5 Series E60 E90 330d 530d M57N2 ECU Engine Kit DDE 7801712 CAS2 + Key
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BMW E46 Amplifier Holder Audio Catch Bracket Mount Trim 8380118
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Part no. 7567609
BMW X3 E83 3.0si N52N 272HP Engine Module Control Unit ECU DME 7567609 Automatic
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Part no. 8J0907115AP
Audi TT 8J 1.8 TFSI CDAA 160HP Engine Control Unit 8J0907115AP Manual
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Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511502620
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BMW F01 F02 LCI F07 GT Control Unit Module Voltage Transformer VSU400 9247159
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BMW Mini Cooper R55 R56 R57 CCC Navigation Navi Sat Nav Head Unit 9147873
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BMW X5 E70 3.0sd M57N2 286HP Engine Control Unit ECU 7823800 Automatic
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Mercedes-Benz S-Class W220 Tailgate Boot ECU Control Unit Module A2208201317
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Audi A3 8V Body Control Comfort Unit Module BCM Unit ECU 5Q0937084AJ
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BMW F13 M6 NBT EVO HU Multimedia MMI Sat Nav Display CD Player Head Unit 2448971
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Audi A4 B9 Gateway Control Unit Module ECU 8W0907468J
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BMW 1 3 E87 E90 E91 118d 318d M47N2 122HP Engine ECU Kit DDE 7797216 CAS2 Keys
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BMW E60 530i M54 231HP ECU Kit Engine Control Unit DME 7527072 CAS2 Key Automat
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Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889
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BMW F20 LCI 118i B38 136HP Engine ECU Kit DME 8662411 + FEM + Keys Automatic
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TV Function Module BMW E65 E66 E67 Video Control Unit Tuner 6933866
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Head Unit Mercedes W906 Radio Media Player Bluetooth Tel A9069004503
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Mercedes W176 C117 A180 CDI OM607.951 109HP Engine ECU Set A6079001800 Manual
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Mercedes W205 C 220d BlueEFFICIENCY 651.921 170HP Engine ECU Unit A6519005203
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BMW E81 E82 E87 LCI E88 N47S 123d 204HP Engine Control ECU Kit DDE 8510593
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BMW F07 GT Cable Loom Door Rear Left Right N/O/S Wiring Harness 9210135
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BMW E87 LCI E90 Professional Navigation Connecting Cable 6935686
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Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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BMW F10 F12 F13 M5 M6 S63N 560HP ECU Control Unit Module DDE 8611709 Twin-Clutch
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Part no. 7584113-1
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME CAS3 Key 7584113 Manual
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Power Connection Mercedes W205 W213 C238 X253 Battery Starter Alternator Wiring
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BMW Disc Professional Navigation 2015 Update DVD Road Map Europe 2350554
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Battery Box BMW G30 G31 Positive Fuse Battery Distribution Terminal Rear 6802943
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Fuse Box Mercedes CLA C117 X156 W176 W246 Relay Unit A2469067200
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Audi TT 8J 3.2 V6 BUB Ignition Wiring Harness Guide Trim 022971615B
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Mercedes W212 E220CDI OM651.924 Engine Unit Module ECU Kit Key A6519009901
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Mercedes W205 Head Light Lamp Socket Cable Wiring Harness Loom Plug A0525455626
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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 .