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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BMW X1 Series E84 Rear Bumper PDC Cables Wiring Loom Set 9230404
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Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit ECU 8P0959433J
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Alternator Mercedes Vito W447 Engine Generator 200A Valeo A0009068504
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Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
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BMW X3 X5 Series E53 E83 EWS III Central Locking Immobilizer Module ECU 6934529
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BMW X5 Z4 E70 E89 HiFi Stereo Audio Sound System Amplifier 9197002
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC
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Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760C
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BMW E87 LCI Light Module NSW LCM Footwell Module PL2 FRM II 9166707
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Mercedes CLS W219 Battery Fuse Box Control Unit Module A2119820402
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Mercedes CL203 Head Unit CD Player Radio Audio Controller Unit A2039000000
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BMW E93 E64 Convertible Rollover Control Controller Module 9179400
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BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9217853
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BMW E87 E90 E90N E91 E92 E93 Alternator Generator Diesel 7802471
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BMW F10 F20 LCI F30 B47 Diesel Alternator Generator Denso 210A 7646814
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SAM Module Mercedes W205 GLC X253 Front Body Comfort Control Unit A2059007845
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Audi A4 B7 Body Control Module BCM Comfort Control Unit Power Supply 8E0907279N
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BMW X5 E60 E61 E63 E64 E70 Control Unit Module Passive Go 9134707
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Audi A5 8T Body Comfort Control BCM Onboard Supply Module Unit ECU 8K0907063P
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BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear
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BMW E87 E90 LCI CIC Sat Nav Screen Navigation Professional 9222861
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BMW E60 M-Audio System Controller Navigation Head Unit 6948351
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Mercedes W203 W221 Rain Light Sensor Control Module A2218700092
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BMW E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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BMW E87 LCI E90 E91 N43 116i 316i 122HP Engine Unit ECU DME 7599881 Manual
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BMW F80 M3 F82 F83 M4 S55 431hp Engine Control Unit ECU DME 8695512 Dual Clutch
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BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9205278
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147226
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Mercedes C118 W177 W247 M260 Petrol Engine Starter Motor 12V A2609060100
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BMW X3 X5 E53 E60 E61 E65 E83 Power Steering Speed Sensor 6762235
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Mercedes-Benz W245 Front Bumper Parking Distance Sensor Parktronic Kosmos Black
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Reversing Camera Module BMW F10 F20 F30 Rear View Unit 9393953
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Audi A4 B7 PDC Parking Distance Sensor Control Unit Module Rear 8E0919283D
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Mercedes ML W164 Diesel Engine Starter Motor A0061516101
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BMW 1 3 5 Series E87 LCI E90 E60 Hands Free Bluetooth Module High MULF2 9178898
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Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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Control Unit Seat Ibiza 6J VW Polo 6C 6R Air Module Unit ECU Bosch 6C0959655J
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BMW X5 X6 E70 E71 Navigation System Car Sat Nav Computer Head Unit CIC 9222855
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BMW 3 Series E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM3R 9224593
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Audi A3 8P Telematics Bluetooth Module Control Unit ECU 8P1862335
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BMW F22 F30 LCI Control Unit Airbag ECU NO CRASH DATA 9348728
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064402341
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Mini R50 R52 R53 Radio Boost CD Player Head Unit 9142414
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Energy Distributor Mercedes W205 W212 W213 W906 Control Unit Module A0009821212
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Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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BMW X3 E83 LCI Light Control Module Lear LM II LWR 3449688 61353449688
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Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Key 7648190 Manual
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BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9250454
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Mercedes Vito W447 Head Unit Radio Navigation GPS Nav Display A4479009005
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9229872
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BMW E82 X1 E84 E88 E90 E91 E92 Battery Cable Plus Pole 6938495
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Alternator Mercedes Vito W639 Sprinter W906 Generator 14V 120A Bosch A0141542702
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Radio Boost CD Mini R50 R52 R53 Head Unit Audio Player 4154934
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BMW E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9240527
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BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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BMW E91 Footwell Light Control Module ECU NSW PL2 FRM II 9166711
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BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6977759
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BMW E87 ECU Junction Box Body Control Module L2 61359119494 9119494
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Xenon Headlight Module BMW F22 F23 Control Unit Driver Module 7363091
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BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key Manual
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Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084H
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Audi Q7 4L S8 D3 Interface Control Unit Module 4E0035785B
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Mercedes W204 W212 Tyre Pressure Check Monitor Control Unit Module A0009003704
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CD Radio Mercedes Vito W639 Sprinter W906 Audio Stereo Head Unit A9068200286
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BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6395450232
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Part no. 3453739
Mini R56 High SPEG DC/DC Fuse Distribution Box H3 3453739
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Audi Q5 8R Multimedia Radio Control Module Head Unit 4G0035061Q
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BMW E90 Light Module ECU 61359128183 9128183 9128223 PL2FRMFA
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VDC Module BMW X5 E70 X6 E71 Vertical Dynamic Control Unit ECU 6785396
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BMW 1 Series E87 BODY CONTROL MODULE L2 61356968836 6968836
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Body Control Unit BMW F01 F10 F11 F12 Module ZGW-01 High Central Gateway 9213187
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BMW F10 Light Module Control Unit ECU Lear ZGW-02 Mid Plus 9243212
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BMW F20 F21 F22 F30 F31 F32 F33 Fuse Box Body Control Unit Module REM V5 6819336
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Part no. 8574351-3
BMW X1 E84 18d 18dX Diesel N47N 143HP Engine Unit ECU DDE 8574351 Automatic
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Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
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Mini Cooper One R55 R56 LCI Aerial Base Roof Antenna Rod Unit 3456089
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BMW X5 E70 ECU Body Control Module Unit JBBFEII PL4 LOW 9146036
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Mercedes CL203 Fuse Box Control Unit Module SAM A2035454901
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Signal Control Module Mini R50 R52 Automatic Gearbox Transmission EGS 7578242
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Air Module BMW F20 F21 F22 F30 F31 F32 Control Unit ECU 9258350
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BMW Mini Cooper R55 R56 RGB Cabel Radio Display LVDS Cabel CCC KKB 9114920
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Mercedes ML W164 Parktronic Parking Control Unit Module A1645453316
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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Door Module Mercedes W906 Front Door Right O/S Control Module A9068205626
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Ford Transit Engine Control Unit ECU 4VFB Module 2.2 TDCi CC11-12A650-AB
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Mini Cooper S R55 R56 LCI N18 Wiring Loom Harness Engine Automatic Gearbox
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Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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BMW E46 Passenger Front Door Wiring Loom Cable Harness 6913078 6913080
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Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM 6819332
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BMW E88 Convertible Air Module Sensor ECU Control Unit Module 9171925
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Part no. 7589971
Mini Cooper R55 R56 Petrol N12 120HP Engine Control Unit ECU DME 7589971 Manual
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Part no. 9267421-1
BMW E87 LCI Body Control Module Junction Box ECU PL2RR JBBFE IIIR 9267421
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BMW E81 E87 E90 E91 E92 6-disc CD Changer 9133083
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Part no. 8K0907064CQ
Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064CQ
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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 .