BMW M3 to Get Tri-Turbo Small Displacement Straight-Six

Colum Wood
by Colum Wood
The BMW M3 CRT (06/2011)

With the 2012 M5 now revealed in all its turbocharged glory, the auto tabloids have switched focus to the next-generation M3.

While the V8 has long been rumored as dead, the latest reports indicated BMW will switch back to a straight-six engine, opting instead for turbochargers to make up the difference for the decreased displacement. In fact, the next-gen M3 mill will drop almost a quarter of its size, down to 3.3-liters. The straight-six will then be blessed with not one, not two, but three turbochargers – one of which will be electrically powered. Rumors of this same setup on an X3 M model have surfaced before and if true, let’s hope the engineers in Munich have advanced electric turbos beyond the eBay kind.

[Source: AutoExpress]

Colum Wood
Colum Wood

With AutoGuide from its launch, Colum previously acted as Editor-in-Chief of Modified Luxury & Exotics magazine where he became a certifiable car snob driving supercars like the Koenigsegg CCX and racing down the autobahn in anything over 500 hp. He has won numerous automotive journalism awards including the Best Video Journalism Award in 2014 and 2015 from the Automotive Journalists Association of Canada (AJAC). Colum founded Geared Content Studios, VerticalScope's in-house branded content division and works to find ways to integrate brands organically into content.

More by Colum Wood

Join the conversation
2 of 3 comments
  • Sam Sam on Sep 21, 2011

    @ LORENZO: Your facts are wrong. The S65 (4.0L V8) engine in the E9X M3 was, in fact, 33 pounds *lighter* than the S54 (3.2L I6) engine in the E46 M3, in spite of having two additional cylinders. This is due to the fact that the S54 block was cast iron and the S65 block was aluminum. That is why the S65 was so highly praised. It will be interesting to see if the F80 M3 will have an engine based on the old S54 architecture or will be a newly designed unit. If they go back to the S54 architecture (iron block), not only will it be the 33 pounds *heavier* than the S65, but it will also have the added weight of the three turbos and accompanying components.

  • Stephen Marcus Colmar Stephen Marcus Colmar on Mar 05, 2012

    [...] most is famous about a newest M3, but rumors have been suggesting that it will be powered by a tri-turbo 3.3L true six, rather than a final generations incomparable [...]