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. A1695457940
Mercedes-Benz B W245 Additional Battery Holder Mounting Bracket A1695457940
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Parking Brake Control Audi A4 B8 A5 8T Q5 8R Electric Brake Module 8K0907801E
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Alternator BMW F20 F21 F30 F31 F36 Petrol N55 Generator 210A 7616120
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BMW E46 M3 Z4 E85 M3.2 Engine Starter Motor Valeo 7834214
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ECU Mercedes C205 C250d Diesel OM651.921 204HP Engine Control Unit Automatic
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CD Changer Audi S6 C6 A8 D3 6-Disc Magazine Head Unit MMI 4E0910110A
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Land Rover Range Rover Engine L322 3.0d M57 306D1 Unit Module ECU DDE 7791367
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BMW E60 E90 E91 LCI 325i 525i N53 218HP ECU Kit DME 7612455 CAS3 + Key Automatic
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Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Mercedes W176 A200 CDI OM651.930 136HP Engine Module ECU A6519009502 Automatic
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Audi Q7 4L 3.0 TDI V6 Diesel Engine Cable Wiring Duct Channel Cover 059971341E
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Mercedes W205 Air System Control Unit Module ECU A2059001814
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Audi A5 8T Display Screen Dashboard Multifunction Monitor Unit 8T0919604A
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BMW 3 5 7 X3 Series E46 E60 E65 E83 M54 Alternator Generator 7541694 155A BOSCH
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BMW 5 Series E60 M5 Battery holder Hold Down Strap Bracket 7896848 6938434
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Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698207126
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Mercedes W204 C200 Fuse Box Front SAM Control Module Relay Box A2129008207
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BMW 4 Series F32 Boot Trunk Lid Tailgate Wiring Loom Harness Cable Set 6831263
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Audi A4 B8 Door Wiring Harness Loom Front Cabling 8K0971029M
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Battery Cable Ford S-Max Negative Lead Wiring Harness Cable AG9T-14324-UC
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Audi Q7 4L 3.0 TDI Quattro Engine Starter Motor Actuator Starter 059911024H
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Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3453744
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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Audi A6 C6 2.0 TDI BRE 140HP Engine Control Module ECU Set 03G906016HS Manual
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Mercedes W212 E220CDI OM651.924 Engine Unit Module ECU Kit Key Lock A6519005301
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Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 Key CAS4
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BMW 7 Series E65 E66 Dashboard Dash Sun Solar Sensor Speaker Cable 6910381
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Mercedes ML W166 GLE C292 Relay Current Power Limiter Fuse Box A1669067701
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Peugeot Partner 1.6 HDI 9H03 Engine Control Unit ECU EDC 9664843780 Manual
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BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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Mini Cooper R56 Engine N12 1.6 120HP Petrol ECU Kit DME 7640004 CAS3 + 2 Keys
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Engine Control Unit Opel Combo 2.0 DTI Diesel Control Module ECU ECM 8973583764
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Audi A4 B7 2.0 TDI Starter Motor Engine Diesel 03G911023A
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BMW E60 LCI 530d X5 E70 3.0d M57N2 Engine Control Unit ECU DDE 8509035
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Mercedes W163 Fuse Main Box Relay Comfort Control Module Unit CMM A1635450205
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BMW F30 F31 F32 Radio Professional CD Bluetooth Player Head Unit 9290989
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Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit 8K0907063AD
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Audi A5 8T Module Lane Assist Control Unit Rear Right O/S 8K0907566H
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059003729
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Mercedes C209 200 Kompressor 271.940 163HP Engine ECU Kit A2711530691 Key Lock
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Mercedes W211 W219 Earth Ground Cable Battery Wiring Loom Engine A2115420518
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Mercedes W205 W213 C238 Bluetooth Hermes LTE Control Unit Module A2139002210
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Battery Terminal Citroen Relay Peugeot Boxer Positive Fuse Box A878
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Mini One 1.6i R50 W10 90HP Engine ECU Kit DME 7520019 + EWS + Key Automatic
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Mercedes-Benz C-Class W204 COMAND Navi CD Player Radio Head Unit A2049060902
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Xenon Adaptive Headlight Module BMW F22 F23 Control Unit Driver Module 7363090
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Audi A5 8T Seat Module Control Unit ECU Front Left Right N/O/S 8T0959760
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BMW F20 F21 F30 LCI M140i 340i Wiring Harness Injection Valve Ignition 8631668
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Audi Q7 4L 3.0 TDI CRCA Quattro Engine ECU Kit Lock + Ignition + Key 4L2910401B
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Audi A5 8T Sound System Audio Amplifier Amp Unit Bang & Olufsen 8T0035223M
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Audi A5 8T 2.0 TFSI CDNC Fuel Pump Control Module Unit ECU 8K0906093D
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BMW F20 F30 LCI 118d 318d B47 150HP Engine ECU Kit DDE 8473185 FEM Key Automatic
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Audio Amplifier BMW F20 F21 LCI Mini F55 F56 Top Hifi Harman Kardon Unit 9390018
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Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000511
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Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9218356
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Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Part no. 7550319-1
MINI Cooper One R50 R52 Petrol W10 Alternator Generator 110A 7550997 7550319
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Mercedes W210 E240 112.911 170HP Engine ECU Kit A0265456532 Automatic Key Lock
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Alternator Volkswagen LT35 2.5 TDI Diesel Engine Alternator 90A Bosch 074903025K
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Mercedes-Benz W202 C208 W208 Control Unit Bracket Holder Boot Trunk A2025458440
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BMW 1 3 Series 1 E81 E87 E90 E91 E92 E93 Radio Business CD Unit 6952296
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Mercedes Vito W447 Comfort SAM Control Unit Module Fuse Box A4479001707
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Peugeot 307 1.4 HDI Diesel DV4-TD Engine Control Unit ECU 9647158180 Manual
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MINI Cooper R50 W10 116HP Engine ECU Kit DME EWS Key 7545789 Automatic
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Mercedes-Benz W169 W245 CD Player Radio Audio Head Unit A1698204789
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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BMW E60 E61 E63 E64 PDC Parking Distance Sensor Diamond Metallic - A10 2180149
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BMW E90 Body Control Module M Junction Box PL2RR JBBFE IIIR ECU 9364819
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Peugeot 207 Negative Battery Terminal Cable Wiring Electrical Cable 9665205380
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Mini Cooper S R56 LCI R60 N18 1.6 184HP Engine Unit ECU Kit DME 7620985 Manual
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Sam Module Mercedes S205 Relay Fuse Box Rear Control Module In Trunk A2059007437
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Starter Mercedes W204 W212 W906 Diesel OM651 Starter Motor Bosch A6519062800
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Information Display BMW E81 E82 E87 E88 Board Monitor Central Screen 9145437
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Reversing Camera Mercedes W166 Rear View Camera Trunk Lid Tailgate A1669059302
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Relay Black 12V V23134J52X207 V23134-J52-X207
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PDC Module BMW F15 F16 F25 F26 I01 I12 Parking Distance Sensor Unit 6828085
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Fuse Box Mercedes CLA C117 X156 W176 W246 Relay Unit A2469067200
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CD Radio Player BMW X3 Z4 E83 E85 E86 Radio Business CD Audio Unit 9205278
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BDC Module Mini Cooper F56 Body Domain Controller Unit Fuse Relay Module 8796101
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SD Card Mercedes X156 W176 W205 Garmin Map Pilot Navigation Europe A2139062610
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BMW F20 F21 F22 F30 F31 N20 N26 N55 Petrol Engine Starter Motor 7638194
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Hyundai H1 Genesis Front Impact Sensor Safety Crash Detection 95920-4H000
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BMW E87 E90 N46 120i 320i 150HP Engine Unit ECU kit DME 7565300 CAS3 Key Manual
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BMW 1 Series F20 Rear Module Fuse Box Power Distribution Control 9362397
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Volkswagen New Beetle Air Module Control Unit Sensor ECU 6Q0909605AL
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Part no. 7570487-1
Mini Cooper One R50 R52 W10 Engine Starter Motor 7570487
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BMW 3 Series E90 E91 E92 M3 Engine Alternator Generator Valeo 180A 7838656
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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 .