View Single Post
      12-14-2013, 01:41 PM   #77
Brigadier General
Boss330's Avatar

Drives: BMW
Join Date: Mar 2012
Location: Norway, Scandinavia

iTrader: (0)

Originally Posted by solstice View Post
The S55 is a similar engine to the S63TU?
It does sound like an impressive tune though. I need to look into this example because it could be the first one provided here that might support your claim of easy, large ECU flash power gains of the S55 and the ability run combustion pressure on street gas I've not been able to find other examples of alternatively that the stock turbos are capable of much more volume that M utilizes.
Not easy since the last gen BMW ecu's are notoriously hard to crack. Manhart has achieved their gains partly through a ECU flash using a modified "press file" and a boost controller. I've driven the 700+ hp M5 on the Autobahn and I can attest that it pulls...