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. 8507245
BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Control Unit DDE 8507245 Manual
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BMW i3 I01 IBS Cable Negative Battery Lead Wiring Harness Control Unit 9381581
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Player Audio Mercedes C207 W212 Head Unit CD Media Radio Controller A2129069900
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Audi A3 8P Gateway Module Diagnostic Interface Control Unit ECU 1K0907530G
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Front Air Module Mercedes W205 X253 SRS Control Unit ECU A2059009627
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Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Kit DME + CAS3 + Key 7648190 Manual
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Body Control Module BMW F01 ECU Junction Box PL6 JBBFE III V5 9312763
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BMW i4 G26 e Drive35 Electric Rear Bumper Wiring Harness PDC Loom 5A3DE11
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Mercedes W203 W209 Relay Unit Module 2 Pins White Hella A0005461366
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Volvo S60 V60 II Distance Radar Module Distronic Unit AG9N9G768BC
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BMW Disc Professional Navigation DVD 06-1 Road Map Europe T1000-9827
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BMW X6 E71 Door Wing Mirror Wiring Harness Cable Loom Left N/S 7154081
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Mercedes W204 Air Module Crash Sensor Module A2048203126
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Mercedes SLK R172 Door Control Unit Module Front Left N/S A1729002301
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BMW E90 ECU Body Control Module Unit Junction Box H1 PL2 JBBFE 9119491
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Pedestrian Protection Sensor BMW F10 F11 Front Bumper Crash Impact Unit 9261962
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Audi Q7 4L 3.0 TDI BUG Power Supply HV Battery Control Unit ECU 4L0910181
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Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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BMW Z4 E85 2.0i N46 150HP ECU Control Unit Module Kit DME 7565300 EWS Key Manual
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Audi A3 8P Automatic Gearbox Control Module Unit ECU 09G927750DG
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Mini F55 Air Module Control Unit ECU 7911249
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Earth Ground Cable BMW F10 N47N Diesel Battery Cable Engine Wiring 8517616
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BMW E39 Audio Amplifier Radio Sound System Hifi AMP Control Module 8362444
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BMW E90 E91 LCI N47N 320d 163HP Engine ECU KIT DDE 8510829 + CAS3 + Key Manual
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Ford Transit Custom Mk8 Dashboard Display Screen Monitor H1BT-18B955-FF
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Ford Transit MK7 2.4 TDCI 100HP Engine Control Unit ECU 6C11-12A650-AL Manual
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BMW 5 Series E60 525i M54 192HP ECU Engine Control Unit DME 7541335 Automatic
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BMW E90 Footwell Module Light Module Control Unit ECU Resource 6961135
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Part no. 7640875
Alternator Generator BMW F10 F20 F30 LCI Diesel Engine Unit Denso 180A 7640875
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Mercedes W203 Door Module Front Right O/S Control Unit ECU A2038205626
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Part no. 9663786880
Citroen Dispatch Jumpy 9HM DV6UC 1.6 HDi 90HP Engine Module Unit ECU 9663786880
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Part no. 06F903023HX
Volkswagen Golf Mk5 2.0 TFSI Petrol Alternator Generator 06F903023HX
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Part no. 9140177-1
Mini Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
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Part no. 7568769
BMW Mini Cooper R55 R56 R57 N12 Engine Extension Cable Blow By 7568769
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Part no. 5A402F3
Mini Cooper F54 F55 F56 ECU Body Domain Controller BDC Module Unit 5A402F3
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Part no. A6461540002
Mercedes Sprinter W906 OM646 Engine Diesel Alternator Generator A6461540002
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Part no. 8E0959433CR
Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CQ
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BMW G01 Fuse Distribution Box Holder Control Unit Bracket Carrier 9397076
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Part no. 9215951
BMW 6 Series E63 E64 Negative Battery Cable Minus Pole IBS Control Unit 9215951
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Audi A4 B6 BCM Body Control Module Unit ECU 8E0907279F
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BMW E82 Footwell Light Control Unit Module ECU Lear FRM3R PL2 9230453
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BMW 1 Series E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9224599
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BMW X3 E83 Radio Navigation System CID Control Unit CD Player 9118823
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VW Volkswagen Scirocco Mk3 Power Starter Motor Relay 12V 50A Plug 7N0951253
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Opel Combo Corsa Display Screen Dashboard Multifunction Monitor Unit 009164455
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Part no. 8580308
BMW X1 E84 20dX Diesel N47N 184HP Engine Control Unit ECU DDE 8580308 Manual
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SD Card Mercedes W176 W207 Garmin Map Pilot Navigation Europe 2016 A2189065902
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Part no. VARTA Blue Dynamic 72Ah Accumulator
VARTA Blue Dynamic Accumulator Battery 72Ah 680A 12V E43
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Part no. N000000003996
Mercedes Universal Fuse Relay Electrical Unit Set Bag N000000 003996
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Part no. 8582280-8
BMW F20 F21 116d N47N 116HP Engine ECU Kit DDE 8582280 Key + FEM Automatic
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Citroen Relay III DW10FUD Engine Control Unit ECU 9809447780 Manual
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Part no. 8K0919475J
Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475J
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BMW X5 X6 Series E70 E71 TV Video Module Control Unit ECU 9146615
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BMW E87 E90 118i 318i N46 Engine Control Unit Module ECU DME 7561834 Automatic
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BMW X3 G01 Body Control Module Domain Controller Unit BDC ECU 8725622
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BMW E60 E81 E87 E90 E91 LCI Fuel Pump Module Control Unit ECU 6765705
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BMW X5 E70 X6 E71 Navigation System Car Computer CIC 9278073
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Part no. 9264626
Seat Wiring BMW F20 F30 Passenger's Side Seat Memory Loom Cable Set 9264626
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BMW 3 Series F80 M3 M Sport Rear Boot Lid Tailgate Spoiler Black Sapphire
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Mini F56 Active Sound Design Radio Audio Amplifer Control Unit Module 9366112
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Radar Sensor Mercedes W176 W207 W246 Front Control Unit Module A0009052804
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Part no. 7649390
BMW F45 i8 Mini F60 B38 B38X Hybrid Engine Alternator Generator 7649390
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Part no. 7188599
BMW E93 Convertible Folding Roof Top Microswitch Wiring Harness Left N/S 7188599
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Mercedes Sprinter W910 Fuse Box Cover Trim Panel Lid Housing A9105462300
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BMW E87 E90 E91 Ventilation Hose Pipe Navigation System Professional 6928875
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Mercedes W204 W212 C207 M274 OM651 Starter Motor Engine Starter A2749060400
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Part no. 9263944-1
BMW X5 E70 X6 E71 Multimedia Sat CD Player Audio System 9263944
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Part no. A2721534579
Mercedes C209 M272.940 CLK280 231HP Engine Module ECU Unit A2721534579 Automatic
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Part no. 8506281
BMW E81 E87 E90 LCI 116d 316d 118d 318d N47 Engine ECU DDE 8506281 Manual
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Part no. A2129006429
Mercedes SLK R172 C207 Front Fuse Box Relay Control Unit SAM Module A2129006429
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Part no. 4H0907063CA
Audi A6 C7 Body Control Comfort Unit Module BCM Unit ECU 4H0907063CA
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Part no. 9165210
BMW E65 E66 Video Module Control Unit TV Tuner Japan Version 9127383
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Rain Light Sensor Mercedes X253 Windschield Sensor Module Unit A2539000100
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Part no. 9387223
Body Control Unit BMW F15 F16 F45 F48 Mini R50 R53 Basic Module BCM 9387223
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Audi A3 8P Steering Module Control Unit ECU 8P0953549
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Radio CD BMW E81 E87 E90 E91 E92 Professional Control Unit Module 9110678
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Part no. 5Q0959655BN
Audi A3 S3 8V Air Module Control Unit ECU Impact Sensor 5Q0959655BN
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Part no. A2215404462
Mercedes W221 Rear Battery Power Supply Terminal Box A2215404462
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Part no. 7537804-1
BMW Z4 Series E85 Roadster 2.2i M54 170HP ECU Kit DME + EWS3 + 2 Keys Manual
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Mercedes W177 Camera Module Front Windscreen Windshield Unit A2479004019
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Part no. NAPA 90Ah Accumulator
NAPA 019N Car Battery 12V 90Ah 800A
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Audi A3 8P Battery Box Tray Housing Holder Bracket Cover 1K0915333B
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BMW I3 I01 Hybrid Electric 94Ah High Voltage Battery Accumulator Storage 2412055
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Vauxhall Vivaro Combo Display Screen Multifunction Unit Dashboard 13301082
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Mercedes ML W164 Trunk Boot Lid Tailgate Sensor Cable Wiring A1648202110
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Mercedes W204 Radio Player Audio 20 Navi CD Player Head Unit A2049069701
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Sam Unit Mercedes S203 W203 Rear Module Fuse Box A2095450701
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Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454A
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Audi A5 8T Coupe Driver's Door Module Control Unit 8K0959793A
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BMW F22 F30 F32 220i 320i 420i Petrol N20 184HP ECU Kit DME 8631725 + Key + FEM
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Part no. A2074400208
Mercedes C207 Parking Sensor Wiring Loom Cable Harness Front PDC A2074400208
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Part no. 6825536
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 6825536
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Audi S6 C6 Radio Aerial Antenna Amplifier FM 4F5035225M
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Part no. 9225831
BMW F07 Left N/S Central Bass Loud Speaker Stereo System Unit 9164581
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Part no. 9326609
PDC Wiring BMW i3 I01 Front Bumper Parking Sensors Loom Cable Harness 9326609
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Part no. 8582719-4
Mini F55 F56 Cooper SD B47 Diesel Engine ECU Kit DDE 8582719 BDC Key Automatic
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Part no. rhd-7115000-5
Centre Console Storage BMW E60 E61 5 Armrest Tray Box Support Mount 7115000
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Part no. 3Q0035842B
Volkswagen Polo V Golf VI Radio CD Stereo Radio Head Unit 3Q0035842B
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Part no. 9321878
Body Control Module BMW F01 F07 LCI F10 F11 Gateway ECU ZGW-02 8SK 9321878
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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 .