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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CD Changer BMW X5 E53 Z4 E85 6 Disc Control Unit Module With Magazine 6946990
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BMW F10 F11 Front Bumper PDC Wiring Loom Electrical Cable Harness 9240226
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Mercedes W639 113CDI OM651.940 136HP Engine Unit ECU Kit A6511501879 2 Key Lock
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BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module Unit 9119359
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BMW E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7579142 CAS3 Key
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BMW E65 Navigation GPS DVD System Computer Unit 6959114
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BMW 1 3 5 Series F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069006102
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BMW E60 E63 E64 530i 630i N52 258HP ECU Kit DME 7546990 + CAS2 + Key Manual
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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
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BMW E87 LCI E90 120i 320i Petrol ECU Kit N43 DME 7595179 CAS3 + Key
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BMW 1 3 4 Series F20 F21 F30 F31 F32 Body Control Unit Module REM 9362394
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BMW i3 i01 Battery Cell Module Supervision Circuit Control Unit 7648785
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BMW 3 Series E90 E92 E93 M3 Dual Clutch Gearbox Wiring Harness Cable 7840547
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BMW 5 Series E60 Light Control Unit Module LM II E6X MIT AHL Lear 9179186
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BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 9186664
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Battery Cable BMW X3 F25 X4 F26 Positive Plus Pole Lead 9321005
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BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9224673
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Mercedes W176 A200 CDI OM651.930 136HP Engine Module ECU A6519009502 Automatic
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ECU Unit Mini Cooper R55 R56 LCI R60 Petrol N16 122HP Engine DME 7620987
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BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box Black 6942912
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Part no. YUASA 5000 65Ah Accumulator
YUASA 5000 12V Accumulator Battery 65Ah 640A HSB013
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Mercedes C207 E250 CDI BE OM651.911 Engine Unit Module ECU A6519005301 Automatic
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Mini Cooper R56 LCI Footwell Light Module ECU LOW EKS Lear PL3 FRM3R 3457387
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BMW 6 Series E64 E64N Cabrio Convertible Folding Top Roof ECU Module 6956435
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Part no. 8512498-3
BMW E81 E87 LCI E90 120d 320d N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
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Part no. 7619335-1
Mini One R56 LCI R60 N16 Engine Control Unit ECU DME 7619335 CAS3 + Key Manual
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Part no. 4H0919475AA
Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475AA
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Audi A1 8X Sat Navi Stereo Radio Audio MMI Head Unit CD Player Unit 8X0035193F
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Part no. 8617050-3
Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual
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BMW X5 E70 X6 E71 Negative Battery Terminal Cable 9215954 61129215954
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BMW F01 F02 F07 F10 F11 CAS4 Control Unit Key Reading Module 9241973
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BMW E60 Light Control Unit Module LCM LM E6X MAN. LWR Lear 6983536
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Part no. 5J0919506
Seat Ibiza 6J 1.2 TSI CBZB Radiator Fan Relay Module Control Unit ECU 5J0919506
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Part no. A0009002914
Mercedes Sprinter W906 OM651 OM642 Diesel Adblue Control Unit ECU A0009002914
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Navigation Player Mercedes W211 W219 DVD CD Reader Control Unit A2208703589
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Part no. 6925903
BMW Z4 Series E85 Rear Bumper PDC Cables Wiring Loom Set 6925903
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Part no. Varta Rac 70Ah Accumulator
VARTA RAC Accumulator Battery AGM 70Ah 760A 12V RAC011
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Audi A3 8P Volkswagen Touran Mk1 Skoda Yeti Engine Fuse Box 2.0 TDI 1K0937125D
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Display Screen Mercedes W176 W246 Radio Navigation Sat Nav Head Unit A2469001106
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Fuse Box Mercedes W176 Front Fuse Relay Box Sam Control Module N10 A2469005612
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9387260
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Part no. 7515030
Mini R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Mercedes W211 Estate Trunk Lid Module Tailgate Control Unit Boot ECU A0355455432
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Mercedes W204 C220CDI OM646.811 170HP Engine ECU Kit A6461509372 2Keys Lock
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BMW 1 3 Series E87 E90 120d 318d 320d M47N2 Diesel Engine Wiring Loom Harness
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BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Mercedes ML W164 Automatic Tailgate Lift Boot Lid Control Module A1648203185
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Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Part no. 9154053
GPS Navigation Unit BMW E46 X5 E53 X3 E83 DVD System Computer Player 9154053
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Parking Brake Control Audi A4 B8 A5 8T Q5 8R Electric Brake Module 8K0907801E
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Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA
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BMW F30 F31 F32 F36 Top Hifi Audio System AMP Amplifier Harman Kardon 9366167
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Part no. 3456395-3
Mini Cooper Cabrio 3 R57 LCI Light Module High EKS ECU PL3 FRM3R 3456395
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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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Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229008911
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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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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6934413
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Mercedes W203 W221 Wind Screen Wind Shield Rain Sensor Unit A2218708826
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Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000
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Part no. 7809941-3
BMW 3 5 Series E60 LCI E90 325d 525d M57N2 197HP ECU Kit DDE 7809941 CAS3 Keys
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BMW X5 E70 LCI Footwell Light Xenon Control Module Unit LEAR FRM3R XE 9263790
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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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Part no. 8512047-1
BMW E90 E91 LCI 320d N47N 184HP ECU KIT DDE + CAS3 + Key 8512047 Manual
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Part no. 7789376-3
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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Part no. 8506374
BMW E60 E87 E90 120d 320d 520d N47 ECU Engine Control Unit DDE 8506374 Automat
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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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Part no. 9244189
BMW F20 F21 F30 F31 Telematics Module Bluetooth Combox Telematik ECU 9244189
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Part no. A0005456916
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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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715450101
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BMW F20 F21 F10 F11 LCI F30 F32 ACC Front Radar Sensor Module Unit 6874817
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Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059005122
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BMW X1 E84 Light Module BASIS Footwell Module PL2 FRM3R Lear 9241002
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Mercedes Sprinter W906 Fuse Box SAM Control Unit Module A9069004700
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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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BMW E81 E82 E87 LCI 123d N47S 204HP ECU Engine Control Unit DDE 7810002 Manual
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BMW X3 Z4 E83 LCI E85 E86 Power Distribution Module Fuse Box 7560626
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BMW E90 E91 E92 E93 N52N ECU Basic Engine Control Unit DME 7574544 Automatic
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Part no. 8U0857273E
Audi Q3 S Line Multimedia Radio Sat Nav Screen Display Head Unit 8U0857273E
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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. 7811700-11
BMW E60 LCI E87 E90 120d 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 Key Manual
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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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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 .