2014 Vorsteiner BMW M4 GTRS4

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We've covered a lot of Vorsteiner packages over the years, and this is possibly the most extreme one yet. The most notable feature are the extremely wide rear fenders, which extend out an additional 3.5 inches on either side for a race car look. The front fender are only slightly less extreme, with an extra 2 inches width. Other aerodynamic features include a new front bumper with air splitter, side skirts, and a rear bumper and diffuser. All parts are made from carbon fiber.

Vorsteiner also offers 90 mm tips for the quad exhaust, and forged 3-piece 20 inch wheels.

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(from Vorsteiner Press Release) 2014 Vorsteiner BMW M4 GTRS4

Our team at Vorsteiner would like to thank all our dealers and customers who visited us during the 2014 SEMA Show. We appreciate all the kind compliments and feedback on our booth, vehicles and our brand new Flow Forged Program.

At Vorsteiner, our mission with design is to be not only innovative, but also revolutionary for all BMW enthusiasts alike. BMW’s has always been a core market for us so it was only natural to do something groundbreaking for the BMW M4.

Celebrating 10 years, our limited edition GTRS4 is a full wide body conversion for the BMW F82 M4. The GTRS4 is a full lightweight carbon composite conversion designed, tested and developed in-house by our team in Orange County, California.

From the original launch of the development process, our design and engineering team worked in tandem to ensure the wider fenders and wheels were functional. We strategically crafted air ducts for optimal cooling towards the front brakes, while paying attention to aerodynamic ventilation for the inbound air to exit.

The front fenders have a total span of 4 inches while the rear quarter panels sit 7 inches wider than it’s original form. We’ve specially designed 3-Piece Forged wheels in 20x10.5J and 20x13.5J respectively to fit the 275 and 345 width tires.

The Special Edition GTRS4 Package Includes:

• Carbon Fiber Front Bumper with an Integrated Front Splitter Element
• Carbon Fiber Wide Front Fenders with Ventilation (2 inches wider each side)
• Carbon Fiber Aero Side Blade Elements
• Carbon Fiber Wide Rear Fenders (3.5 inches wider each side)
• Carbon Fiber Rear Bumper with an Integrated Rear Diffuser Element
• Vorsteiner 90mm Quad Exhaust Tip Finishers (Options: Brushed | Diamond Black)
• Vorsteiner Embroidered Colored Floor & Trunk Mat Set • Vorsteiner Chrome Trunk Badging
• GTRS4 Forged 3-Piece Wheels, 20x10.5J | 20x13.5J in Gloss Brushed Shadow

Technology Partners:
• Pirelli Tires
• KW Suspension
• Brembo | Race Technologies
• ESS Tuning
• KI Studios
• Gold & Co. London