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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Renault Trafic 2 Vauxhall Vivaro M9R 782 2.0 Diesel Engine Unit ECU 8200666516
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BMW X5 E70 X6 E71 Negative Battery Terminal Cable 9215954 61129215954
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Mercedes W207 Connection Media Interface Cable AUX Wire A0018276604
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Peugeot 308 Citroen C3 C4 1.6 HDI Diesel Engine Alternator Generator 9665617780
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Mercedes W221 Cover Fuse Box Case Trim Panel Lid A2215401682
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Mini Cooper One R56 High PL3 SPEG H5 DC/DC Fuse Distribution Box 3455528
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Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7557395 EWS Key Manual
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BMW F10 F20 F30 F31 Body Module Control Unit FEM 9303546
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BMW 5 X3 X5 Series E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black
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Wiring Harness Mercedes W176 A45 AMG Petrol M133 Low Temperature Pump Adapter
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BMW 1 3 Series E87 E90 E91 E92 Seat Control Unit Module ECU 6926371
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Mini Cooper One Clubman R55 R56 R57 R59 R60 JCW Engine Starter Motor 7552697
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Mercedes W163 Battery Ground Earth Strap Cable Wiring A1635400841
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Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698202985
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Mercedes-Benz Sprinter W906 Fuse Box Unit Holder Bracket Frame A9065451640
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BMW 3 5 7 X5 E38 E39 E46 E53 M54 Engine Generator Alternator 120A
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BMW F20 F21 F30 F32 LCI Headlight Ballast Control Unit Module FLE2 LOW 8494840
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Volkswagen Golf Mk5 Body Control Comfort Unit Module BCM 1K0937049N
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Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045420818
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Fuse Box Mercedes W211 CLS C219 Rear SAM Module Relay Control Unit A2115458601
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BMW X3 E83 LCI Map Card Fuse Box Grouping Diagram 3450247
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Mercedes W169 W245 Engine Starter Motor A0041518501
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BMW 3 Series E91 LCI ECU Body Control Module Junction Box H2 9264573
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Mercedes W177 Automatic Gearbox Control Unit Module ECU A0009012604
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BMW X3 Series E83 Cover Positive B Battery Terminal Point Case 8371011
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Mercedes C207 Glow Plug Relay Unit Control Module A6429005601
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BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 6983307
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BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145
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BMW 1 3 Series E87 E90 E92 Navigation System Car Computer CCC 6955786
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BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 9302256
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Mercedes W207 W212 Parktronic Parking Control Unit Module A0009003706
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Adblue Module Mercedes W205 W222 C253 Exhaust Gas Control Unit ECU A0009004810
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Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901
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BMW 1 Series E81 E87 LCI N43 118i 143HP ECU Kit DME 7621178 CAS3 Key Automatic
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BMW 3 X3 Series E46 E83 Engine Electronics Complete Control Unit Box 7534921
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Hyundai H1 Genesis Front Impact Sensor Safety Crash Detection 95920-4H000
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BMW 1 Series F40 MINI F56 F57 F60 Control Unit Box 8581370
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BMW F20 F21 F31 F32 F87 Body Control Comfort Module Unit BCM 8733501
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Starter Ford Mondeo MK3 2.0 TDDi Mk4 2.0 Tdci Diesel Engine Starter Motor
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BMW F20 F21 F22 F30 F31 Alpine Cd Radio Player Head Unit 9271715
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Audi Q2 Seat Leon VW Golf Battery Tray Holder Mounting Bracket 5Q0915321J
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Audi Q5 8R 2.0 TDI CJCA Diesel Engine Alternator Generator 03G903016G
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Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6922801
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Mercedes C118 W177 W247 M260 Petrol Engine Starter Motor 12V A2609060100
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BMW E63 E64 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 6982976
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Volkswagen VW Jetta Mk6 Caddy 2K BCM Body Control Module Unit ECU 5K0937087AC
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BMW F30 F80 M3 Rear Third Stoplamp Stop Lamp Brake Cover Trim 7259877
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Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
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BMW E61 E92 F32 LCPA Seat Belt Control Module ECU 9129439
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Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655L
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Mercedes-Benz E W210 S210 CD Player Radio Audio Navi SMS Head Unit A2108205689
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Mercedes ML W166 Front Door Module Right O/S Door Control Unit A2059006013
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Volkswagen Touran 1T Parking Control Unit Module Sensor 1K0919283A
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Mini One R56 LCI R60 N16 98HP Engine Control Unit ECU DME 7619335 Manual
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Part no. 8200404459-1
Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459
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Ford Mondeo Mk4 Gearbox Earth Ground Cable Wiring Lead 8G9T-14324-PB
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BMW X3 E83 LCI 2.0d N47 Engine ECU Kit DDE 7809999 + EWS IV + Key Automatic
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045455401
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BMW E93 Cabrio ECU Body Control Module H3 Junction Box 9177985
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Ford Transit Custom Fuse Box Cover Housing Lid Trim Cap Panel KK3T-14A075-AB
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Mini Cooper One 1 R55 R56 R58 N12 Petrol Engine Starter Motor NAPA NSM1093
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Wiring Loom BMW E65 E66 Cables Rear Bumper PDC 6952914
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Part no. 8729433
Amplifier BMW F82 F87 F80 F83 Active Sound Design Control Unit 8729433
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Part no. A0009002126
AdBlue SCR Module Mercedes W907 W910 W447 Exhaust Gas Cleaning A0009002126
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Part no. 7550469-3
BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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Part no. 9187541-2
BMW E93 ECU Body Control Module H3 Junction Box 9187541
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Yaw Module Mercedes W221 ML W164 Rotation Rate Acceleration Sensor A0045423818
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Mini Cooper One R55 R56 R58 Petrol Engine Starter Motor N12 7540897
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Part no. A2118702626
Air Module Mercedes W211 CLS C219 SRS Control Unit ECU A2118702626
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Mercedes W177 W247 Positive Battery Cable Lead Wire Starter A1775407932
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Headlight Module BMW F07 F10 LEAR TMS Headlamp Control Unit Module 7258278
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Mini R57 R58 R60 Bluetooth Combox Control Module Audio ECU Harman Becker 9248315
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Volkswagen New Beetle Air Module Control Unit Sensor ECU 6Q0909605AL
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Mercedes W910 OM651 Engine Alternator Generator Bosch A6519065200
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Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460332
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Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
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Renault Master II Alternator Support Bracket Mount 117103703R
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BMW 3 5 X5 E39 E46 E53 Automatic Gearbox Basic Control Unit EGS
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BMW E60 E61 E63 Air Control Module Passenger Side Door 6945145
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Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Mini One R55 R56 Petrol N12 1.4 95HP Engine ECU Kit DME 7640004 CAS3 Key Manual
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Seat Wiring BMW X3 F25 X4 F26 Driver's Side Loom Cable 9316654
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Skoda Octavia 3 5E Front Bumper Wiring Harness Loom 5E0971095CN
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Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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Ford Transit Connect Control Unit Central Door Locking Module ECU 9T1T-15K600-DD
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BMW 5 Series E60 LCI Body Gateway Module KGM E6X High D-Can Lear 9186171
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BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Left N/S 9285767
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On-Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen 8,8" 9194064
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Mercedes C205 Midline Sound Audio Amplifier Unit A2059000044
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Audi S4 B8 Aerial Antenna AMP Amplifier Booster Unit Module 8T0035223F
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Mini Cooper Cabrio 3 R57 LCI Light Module High EKS ECU PL3 FRM3R 3456395
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Mercedes W166 C292 Fuse Relay Box Cover Trim Panel Lid Housing A1665400224
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BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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Door Module Mercedes C219 Front Door Left N/S Control Module A2198201926
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BMW E60 LCI E61 Map Fuse Box Grouping Diagram Card 9156547
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BMW Mini Cooper R55 R56 RGB Cabel Radio Display LVDS Cabel CCC KKB 9114920
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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 .