Preview look at the Vorsteiner Widebody M4 GTRS4 via PSI:
Vorsteiner shared with us exclusive images inside their design studio in Orange County, California. Their GTRS4 project shows their dedication and what it takes to create an original design from the ground up. It’s extremely unique to see an aftermarket company spend countless hours in the design process with using clay modeling.
Factory stock M4s have already put down 11′s at the quarter mile track, but TPG Tuning shows that with just a few more modifications, the M4 is starting to sniff the 10 second range!
A little over a week after BMW works driver Marco Wittmann (DE) received the coveted 2014 DTM Champion trophy at the season finale in Hockenheim (DE), on Monday he visited the home of BMW in Munich (DE). The 24-year-old visited the BMW Group plant in Munich. Then Wittmann introduced himself to the employees at the centre for research and innovation (Forschungs- und Innovationszentrum (FIZ), the technological heart of the BMW Group.
In the morning Wittmann took a look behind the scenes during an extended … CONTINUED
Enjoy some laps at Laguna Seca in the TCKR M4, as TC chases down a McLaren MP4-12C and then opens it up for a few hot laps.
The car is on TC Kline Double Adjustable Suspension and Apex Wheels with Hoosier R6 tires. Everything else is stock.
The new M3 and M4 exhaust system has been perhaps the most polarizing aspects of the cars, so it’s no surprise to see owners interested in modifying the factory exhaust.
Here is a review and rundown of one owner’s various modifications to his exhaust, in different configurations:
1) Stock exhaust with stock midpipe (valve flap disabled).
2) Stock exhaust with secondary catalytic converters removed from midpipe (valve flap enabled).
3) Stock exhaust with secondary catalytic converters removed from midpipe (valve flap disabled).
4) Stock exhaust with … CONTINUED
Great preview of the PSI M4 headed for SEMA.
Words by PSI:
While the SEMA Show was not the full end game we had in mind when our Sakhir Orange M4 arrived months ago, it was certainly the first major stop on a fantastic journey we had mapped out. From the beginning, we all knew the implications involved, and that our vision of an M4 “Club Sport” theme had to be unique yet purposeful. As usual with the aftermarket industry, and with building a project like … CONTINUED
The latest issue of Sport Auto was a smorgasbord for BMW enthusiasts. It contains this lengthy interview with outgiong BMW M boss Nitschke about the future of M, a M supercar, AWD, Hybrid and other topics.
Check out our translation inside.
Promotional piece created for Akrapovic USA for the M4 Evo Exhaust System.
GSR Autosport gives us the skinny on their Global Time Attack M4 prior to SEMA. The GSR Autosport Global Time Attack project car is being developed to run in the 2015 GTA Pro Am Series in Street Class. The overall concept is sort of a Jekyll & Hyde thing where certain parts will be able to be swapped back and forth – between track duty and street duty – parts such as the front splitter, rear decklid/wing, roll bar, seats, wheels/tires, etc.
GSR started … CONTINUED
Watch the BMW M4 GTS in action on the Nurburgring as it undergoes further testing.
Using MotoGP M4 Safety Cars as a basis (or as decoys), we see a large front spoiler lip and high trunk wing on the prototype. These parts are different than the M Performance front lip and trunk spoiler featured on the MotoGP M4 Safety Car and instead resemble the protuding front spoiler lip and elevated trunk wing from the E92 M3 GTS.
The prototypes also features M Carbon Ceramic Brakes and … CONTINUED
Have a lookie at what tuners are doing to the M4 overseas in Asia. Japanese tuner Access Evolution has paired a matte red wrap with gold HRE S101 wheels for an eye catching combination.