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. 6912244
BMW Z4 E85 Rear Bumper Antenna Mounted Aerial Unit FM 6912244
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Part no. 8E0959655G
Air Module Audi A4 B6 B7 ECU Control Unit Crash Sensor Air 8E0959655G
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Part no. 6904903
BMW 7 Series E65 E66 Positive Battery Cable Plus Pole Petrol 6904903
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Part no. A0025467940
Receptacle Housing Mercedes W164 W203 W639 Dashboard Wiring Harness A0025467940
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Part no. 7515390
BMW X3 Z4 E39 E46 E60 E65 E83 E85 Petrol M54 Starter Motor 7515390
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Part no. 7575650
MINI Cooper One R55 R56 R57 R57 R58 LCI Alternator Generator Petrol 7575650
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Part no. 6921593
MINI Cooper One R50 R53 Wave Radio Cassette Headunit Tape Player 6921593
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Part no. A0009820012
Mercedes W176 W212 W246 Voltage Converter Power Distributor Inverter
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Part no. 7567119
Ignition Wiring Harness Mini Cooper One R55 R56 R57 Injection Valve 7567119
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Part no. A2079010600
Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079010600
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Part no. A9068201186
Mercedes Vito W639 Sprinter W906 CD Audio Stereo Radio Head Unit A9068201186
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Part no. A2661540802
Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802
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Part no. 6989160-BS
BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
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Part no. 6936653
BMW 1 3 Series E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936653
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Part no. 7633242
BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242
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Part no. 7524118
BMW Z4 E85 M54 Roadster Wiring Loom Harness Engine Ignition Module
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Part no. 6989068
BMW 5 X5 Series E53 E60 E61 PDC Parking Ultrasonic Sensor Rear Black 6989068
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Part no. 6922257
BMW 1 3 Series E87 E90 Sunroof Sliding Roof Drive Unit Motor Actuator 6922257
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Part no. 3C0915443A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915443A
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Part no. 7550469-2
BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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Part no. 6850497
BMW E60 E61 E65 E87 E90 Trailer Towing Control Unit Module AHM 4R 6850497
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Part no. 7519618
BMW E46 E85 M54 Petrol Alternator Generator Bosch 120A 7519618
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Part no. 6906621
BMW E87 E90 E91 E92 E93 Power Distribution Fuse Box Front 6906621
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Part no. 6764018
BMW Z4 E85 MINI Cooper One R50 R52 R53 Speed Sensor
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Part no. 9302358
BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9253082
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Part no. 9142414
Mini R50 R52 R53 Radio Boost CD Player Head Unit 9142414
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Part no. A0001501780
Ignition Coil Mercedes W202 W203 M111 Cable Connector A0001501780
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Part no. 6915886
Air Module Mini R50 R53 Side Control Unit ECU 6915886
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Part no. A2049014504
Rain Sensor Mercedes W204 W212 Windscreen Control Unit A2049014504
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Part no. 6962531
Mini Cooper R50 R52 R53 Air Module Control Unit Module ECU 6962531
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Part no. 6989156
BMW E65 E66 E67 Rear Bumper PDC Ultrasonic Sensor Titan Silver
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Part no. 9236531
BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9236531
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Part no. 9116801
Hands Free Module BMW E60 E90 Everest Motorola Non GPS Phone 9116801
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Part no. A1695420018-PS
Mercedes-Benz W169 Front Bumper Parking Distance Sensor Parktronic Polar Silver
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Part no. 4M0035507
Audi A3 8V A4 B9 Telephone Antenna Amplifier Module Unit Booster 4M0035507
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Part no. 9261580
BMW F20 F21 F30 F31 PDC Parking Sensor Ultrasonic Glacier Silver A83
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Part no. 6936649-1
BMW E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936649
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Part no. A0009822023
Mercedes W204 W212 W221 Battery Relay Module Unit A0009822023
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Part no. 6976890
Radio Boost CD Mini R50 R52 R53 Audio Player Head Unit 6976890
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Part no. 0-390-201-999
BMW 5 Series E60 E61 Front Seat Backrest Adjustment Bosh 0 390 201 999
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Part no. 7169960
BMW E60 E63 E87 E90 Control Unit Sensor Fuel Pump ECU 7169960
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Part no. 6936655
BMW 1 3 X1 Series E81 E82 E84 E87 E90 E91 E92 Power Distribution Box 6936655
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Part no. 7788327
Preheating Control BMW E46 E60 X3 E83 E90 E91 Glow Plug Unit Diesel
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Part no. 6926460
AUC Sensor BMW E60 E61 E65 X5 E70 X6 E71 Mini R56 R57 Air Control 9136607
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Part no. A0045429118
ECU Module Mercedes W169 W211 W245 Yaw Rate Sensor Unit ESP A0045429118
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Part no. 7550468
BMW E81 E87 LCI E90 E91 E92 E93 Petrol N43 Alternator 170A 7550468
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Part no. 7799180
Alternator BMW E87 E90 E91 E92 Generator Valeo 150A Diesel 7797519 7799180
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Part no. 7356250
BMW E92 LCI Coupe Mini R56 R57 Xenon Headlight Ballast Headlamp Control 7356250
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Part no. 8375408
BMW X5 E39 E53 Steering Column Wiper Switch Stalk 8375408
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Part no. 6923945-2
BMW E60 E60N E61 E63 LCI B Terminal Point Engine Compartment 6923945
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Part no. 7550469-1
Alternator Generator BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Petrol 180A 7550469
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Part no. 9119491
BMW E90 ECU Body Control Module Unit Junction Box H1 PL2 JBBFE 9119491
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Part no. A2035400031
Mercedes CLK W203 C209 Negative Battery Terminal Cable A2035400231
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Part no. 9164352
BMW 3 Series E90 E91 E92 IBS Negative Battery Lead Cable 9164352
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Part no. 7788680
BMW X3 X5 E46 E60 E61 E65 E83 E53 M57N Starter Motor 7788680
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Part no. 8571905
BMW F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
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Part no. 1K0951605C
VW Volkswagen Golf Audi Seat Alarm System Siren Anti-Theft Signal 1K0951605C
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Part no. 9164346
Mini Cooper E60 E70 E93 R55 R56 R60 IBS Negative Battery Lead
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Part no. 9127768
BMW E60 E61 Positive Battery Cable Plus Pole Lead 61129127768 9127768
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Part no. 2240945
BMW 5 Series E60 E61 Mini R50 R53 PDC Parking Ultrasonic Sensor Rear Cool Blue
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Part no. 9119494
BMW E87 ECU Junction Box Body Control Module L2 61359119494 9119494
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Part no. 7515030
Mini R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Part no. A0009820412
Mercedes W176 W205 W212 Voltage Converter Power Distributor Plug A0009820412
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Part no. 9306405
BMW F20 F21 F30 F31 F32 F36 Negative Minus Battery Cable Lead Pole IBS 9306405
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Part no. 7524843
BMW E81 E82 E83 E84 E85 E87 E90 Petrol Denso Starter Motor 7524843
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Part no. 7604782
Mini R55 R56 LCI R60 Alternator Generator Bosch 150A Petrol 7604782
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Part no. 6938504
Battery Cable BMW E90 E91 E92 E93 Positive Lead Battery Wiring Harness 6938504
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Part no. 6923954
BMW E39 E46 X5 E53 X3 E83 Z4 E85 E86 Mini R50 R53 Rain Light Sensor 6923954
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Part no. 7964087
BMW 5 Series E60 E61 PDC Parking Sensor Front Carbonschwarz Black 6989071
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Part no. 6937223
BMW E60 E61 E65 X5 E70 X6 E71 Control Unit Xenon Light 5DV 009 000-00
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Part no. 8200308271
Fuse Pink Mercedes W415 Citroen Renault Kangoo Trafic Relay 4-Pin 8200308271
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Part no. 8K0959651
Audi A5 8T A4 B8 Crash Impact Sensor Control Unit 8K0959651
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Part no. 7802471
BMW E87 E90 E90N E91 E92 E93 Alternator Generator Diesel 7802471
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Part no. 8377488
BMW E46 E39 E53 E83 E85 Switch Unit Steering Column 8377488
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Part no. 7616200
Battery Cable BMW E90 E91 E92 E93 Wiring Negative Minus Pole IBS 7616200
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Part no. 6956165
Mini Cooper R50 R52 R53 Front Loudspeaker Loud Speaker 6956165 9143271
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Part no. 6911838-BLK
BMW 5 X3 X5 Series E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black
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Part no. 7823291
Mini R55 R56 R57 LCI Alternator Generator Diesel 150A 7823291
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Part no. A1699002000
Head Unit Mercedes W169 W245 CD Player Radio Audio A1699002000
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Part no. 8046453-JEREZ
BMW 1 3 E87 E90 PDC Ultrasonic Sensor Front Rear Jerezschwarz A73 8046453
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Part no. 9215952
BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS
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Part no. 2687921
BMW 5 X3 Series E39 E60 E61 E83 PDC Ultrasonic Parking Sensor Black 4687921
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Part no. 6776771
BMW E65 E66 E67 Sport Driver's Side Air Module Steering Wheel Grey 6761952
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Part no. 6989082-TS
BMW X3 E60 E83 Front PDC Parking Distance Sensor Titansilber Silver 6989082
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Part no. 9184204
BMW E60 E93 Mini Cooper R55 R56 R60 IBS Negative Battery Lead 9184204
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Part no. 6989112
BMW E60 E61 X3 E83 Front PDC Parking Sensor Silver Grey Silbergrau - A08
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Part no. 7550469
BMW E60N E61N E81 E87N E88 E90 E91 E92 E93 Alternator 7550469
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Part no. 7532964
BMW E46 E85 E87 E90 Petrol Alternator Generator BOSCH 110A 7532964
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Part no. 6942912
BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box Fuse Box 6942912
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Part no. 9209183
Sound Speaker BMW X3 F20 F21 F25 Mid Range Stereo HiFi 9209183
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Part no. 9130879
BMW E81 E87 Battery Cable Plus Pole Positive Wire SBK 9130879 6988975
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Part no. 8384505
BMW E46 E60 E61 E63 E64 Windscreen Wipers Relay Brown 8384505
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Part no. 6989069
BMW X3 X5 E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black 6989069
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Part no. 9264943
BMW F20 F21 F30 LCI Sound Speaker Mid Range Stereo HiFi 9264943
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Part no. 9288769
BMW F20 F22 F30 Sound Speaker Front Door Audio Mid Range Stereo HiFi 9288769
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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 .