View Single Post
      04-08-2013, 10:00 AM   #4
ROB_S2K
Lieutenant Colonel
United_States
197
Rep
1,913
Posts

Drives: 2015 M4
Join Date: Apr 2005
Location: Los Angeles

iTrader: (6)

Quote:
Originally Posted by RedNeck_D View Post
I believe the 4.7L stroker kit is the biggest.
Quote:
Originally Posted by Soorena View Post
Bore wise, there is not much to do. The stock cylinder wall thickness is just 6mm, so you can only bore-out the engine by 1-2mm.
As for the stroke iirc it can goes up to 85mm. I heard that from a BMW mechanic (I don't recall if it's because of deck height limit or crank room limit). So 4.7 would be the biggest displacement.
Thank you guys. Thats what I thought about the cylinder wall thickness as well. It would be awesome to have a big NA hp car.
__________________
-2015 AW M4 and 2014 G63

-(2012 | Laguna Seca Blue | Rust Brown | Individual | 6MT) SOLD