Quote:
Originally Posted by The Gorilla
Hi,
Based on what you have posted, then its
refreshing to hear some straight talking
on ECU /DME performance gains.
I would guess that many S54 M3's struggle to make
much over 310/320 BHP from the factory.
S54's CSL nearer to 330/340 as a sort of average figure.
Therefore a Re-Map or Re-Flash as you suggest seems
to ''clean'' up the ECU/DME and makes for a crisper
more responsive engine that pulls better in the mid
range.
A 15/17 BHP gain is good if there are no Trade offs.
All these Dyno mapped reflashed 365+ BHP Cars where
owners beleive that an Exhaust and mid section has added
40+ BHP to their car are what Salesmem dream of.
Regards,
The Gorilla.
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No I believe the cars are capable of this power in some cases with nice parts. However I am not convinced that some cars stay like this for long. Sometimes they will adapt back to lower figure.
there is a reason for this which took me a very long time to figure out and I think I will keep it to myself
I believe there is a limit that can be achieved without the ECU backing power. To keep over 15hp consistent I have to do things which I would not do on a road going car.
Gee
P.S If i do not reply further it is simply due to not having time to come on here, If anyone would like some M3 tuning advise I am always willing to help just email me at the website