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. 9267516
BMW F10 Central Gateway Module Control Unit Lear ZGW-02 MID Plus 9267516
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Part no. A2218706586
Mercedes W221 Front Door Control Module Unit Left N/S ECU A2218706586
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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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Mercedes SLK R171 Airbag Module Air Bag SRS Control Unit ECU A1718205626
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Part no. 8580389
BMW F40 F45 X1 F48 Mini F55 F56 F57 F60 Diesel Engine Starter Motor 8580389
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Mini Cooper D R55 R56 Diesel W16 109HP ECU Kit DDE 7823934 CAS3 Key Manual
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Part no. 8059269
BMW 3 Series F80 M3 M Sport Rear Boot Lid Tailgate Spoiler Black Sapphire
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Part no. A2218706185
Mercedes W221 Trunk Release Remote Open Close Module Control Unit A2218706185
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Part no. 8200404459D
Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459D
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Part no. 9366112
Mini F56 Active Sound Design Radio Audio Amplifer Control Unit Module 9366112
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Part no. A0009052804-1
Radar Sensor Mercedes W176 W207 W246 Front Control Unit Module A0009052804
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Part no. 8509225
Alternator Generator BMW F30 F32 N57N Diesel Electrical Unit Denso 180A 8509225
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Part no. 7587164-1
BMW E88 Cabrio 125i N52N 218HP ECU Kit DME CAS3 Key 7587164 Automatic
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Part no. 6970890
BMW 7 Series E65 E66 E67 Sensor B-pillar Left Airbag N/S 6970890
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Part no. 3414876-1
BMW X3 Series 1 E83 2.5i 3.0i M54 Battery Positive Power Cable Terminal 3414876
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Part no. 9344677
BMW 2 3 Series F22 F80 M3 F82 M4 Wiring Loom Harness Rear Trunk Lid 9344677
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Part no. A2098200085
Mercedes W209 Convertible Air Module SRS Control Unit ECU A2098200085
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Part no. A2741504703
Mercedes W205 W213 Engine Wiring Harness Cable Loom M274 Petrol A2741504703
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Part no. 1K0959654
Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 1K0959654
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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. 9365758
BMW Mini Cooper F55 F56 Navigation DAB Head Unit High 9365758
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Part no. 7188599
BMW E93 Convertible Folding Roof Top Microswitch Wiring Harness Left N/S 7188599
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Part no. rhd-A9105462300
Mercedes Sprinter W910 Fuse Box Cover Trim Panel Lid Housing A9105462300
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Part no. A2048709558-2
Mercedes W204 W212 Radio Control Function Button Knob Controller A2048709558
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Part no. LR003468
Starter Motor Land Rover Freelander 2 Diesel Engine Actuator LR003468
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Part no. 6928875
BMW E87 E90 E91 Ventilation Hose Pipe Navigation System Professional 6928875
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Part no. A9075401205
Mercedes W907 Starter Wiring Battery Alternator Cable Harness Loom A9075401205
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Part no. 045903023A-1
VW Polo 4 9N 1.4 TDI Seat Skoda Diesel Engine Alternator Generator 045903023A
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Part no. 7835892
BMW 5 6 Series E60 E61N M5 E63 M6 Cable Starter Base B+ Engine Battery 7835892
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Part no. 3Q0906121B
Audi A3 8V 30 TDI DGTE Diesel Fuel Pump Module Control Unit ECU 3Q0906121B
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Part no. A2749060400
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. 9241005
BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9241005
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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. 504092575
Iveco Daily 3 Electrical Wire Earth Cable Battery Power Wiring 504092575
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Part no. A6461502720
Mercedes Vito W639 OM646 Diesel Engine Wiring Cable Loom Harness A6461501388
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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. 3414880
BMW X3 E83 Diesel Battery Positive Lead Red Cable Plus Pole Wire 3414880
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Part no. 9303541
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9303541
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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. 6938975-1
CD Changer BMW E60 E61 E63 E64 Compact 6-disc Magazine 6938975
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Part no. 9165210
BMW E65 E66 Video Module Control Unit TV Tuner Japan Version 9127383
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Part no. 6983302
BMW E90 ECU Body Control Module H1 61356983302 6983302
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Part no. A0009068302
Mercedes Sprinter W907 Alternator Generator Engine Diesel 250A 14V A0009068302
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Part no. rhd-9209796
Head-Up Display BMW F10 F11 Hud Trim Panel Cover Frame Dash Screen 9192921
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Part no. 6941690
Autoradio BMW E46 E53 BMW Radio Professional TMC Becker BM 54 6941690
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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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Part no. A2129006212
SAM Module Mercedes W204 W212 Control Unit Electrical Fuse Box Unit A2129006212
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Part no. 8P0953549
Audi A3 8P Steering Module Control Unit ECU 8P0953549
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Part no. 8U0907115K
Audi Q3 8U 2.0 TFSI Quattro CCZC 170HP Engine Control ECU 8U0907115K Automatic
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Part no. 9110678-1
Radio CD BMW E81 E87 E90 E91 E92 Professional Control Unit Module 9110678
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Part no. 7605478-1
BMW Z4 F20 F30 E89 Petrol Alternator Generator 170A 7605478
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Part no. 3456987
Mini Cooper R60 Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456987
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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. CC1T-11000-DC
Ford Transit Custom Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-DC
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Part no. A2215404462
Mercedes W221 Rear Battery Power Supply Terminal Box A2215404462
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Part no. A6549007900
Mercedes W177 A 220d 654.920 654920 190HP Engine ECU Unit A6549007900 Automatic
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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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Part no. NAPA 90Ah Accumulator
NAPA 019N Car Battery 12V 90Ah 800A
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Part no. 9198826
BMW 1 3 Series E81 E87 E90 LCI Professional Navigation System Car Computer CIC
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Part no. 1K0915333B
Audi A3 8P Battery Box Tray Housing Holder Bracket Cover 1K0915333B
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Part no. 8647909
BMW I3 I01 Hybrid Electric 94Ah High Voltage Battery Accumulator Storage 2412055
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Part no. 7290727
Battery Cover BMW X1 F48 X2 F39 Mini Countryman F60 Upper Panel 7290727
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Part no. 13301082
Vauxhall Vivaro Combo Display Screen Multifunction Unit Dashboard 13301082
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Part no. 281152957R
Renault Trafic Vauxhall Vivaro Radio Stereo Audio CD Player Head Unit 281152957R
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Part no. A1648202110
Mercedes ML W164 Trunk Boot Lid Tailgate Sensor Cable Wiring A1648202110
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Part no. LION 60Ah Accumulator
LION Calcium Accumulator Battery 60Ah 480A 12V
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Part no. 6941427
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6941427
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Part no. A0101540802
Mercedes W903 Diesel Engine Alternator Generator 45-90A 14V A0101540802
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Part no. A2049069701-1
Radio Player Mercedes W204 Audio 20 Navi CD Player Head Unit A2049069701
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Part no. A2095450701
Sam Unit Mercedes S203 W203 Rear Module Fuse Box A2095450701
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Part no. A6421508100-2
Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key + Lock
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Part no. A1718200786
Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200786
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Part no. 8W0035454A
Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454A
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Part no. 8K0959793A
Audi A5 8T Coupe Driver's Door Module Control Unit 8K0959793A
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Part no. 8631725-1
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. 1423079
BMW 3 E36 316i M43 Engine Automatic Gearbox Control Unit EGS 1423079 1423000
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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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Part no. 4F5035225AB
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. 6914655
BMW X5 Series E53 Light Check Module Control Unit ECU Lear LCM III 6914655
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Part no. 9176882
BMW E87 LCI Body Control Module Junction Box Electronics H2 9176882
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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. 9459673
Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 7943747
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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. A2129005010
Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129005010
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Part no. 9341082
BMW F20 Radio BMW Professional CD DAB Player Controller F21 F22 F30 9341082
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Part no. 3452681-3
Mini R55 R56 R57 Radio Boost CD Player Head Unit Control Unit Module 3452681
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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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Part no. 6855189
VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6855189
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Part no. 8734160
Fuse Box BMW G20 G30 Power Distribution Control Unit Box Rear 8734160
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Part no. A2135401115
Fuse Box Mercedes W205 W213 GLC X253 Hybrid Power Distribution Unit A2135401115
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Part no. 1306522070
Air Intake Duct Citroen Relay Peugeot Boxer Fiat Ducato Air Intake 1306522070
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Part no. 8639595-13
BMW F10 LCI F20 F22 F30 F31 N20 Engine Control Unit ECU DME 8639595 Automatic
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Part no. A1669068201
Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1669068201
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Part no. 8378107
BMW X5 Series E53 Electrical Power Distribution Fuse Box 8378107
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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 .