Quote:
Originally Posted by Shadowsong
Something to think about... this and the 135i gain about 90hp with JUST a tune.
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Many having problems with the SSTT tunes, overheating, etc.
Many are having problems without a tune.
Some even BLOWING UP their engines.
BMW is doing ALOT with computor programimg to find out if the cars had any mods on them, even if its taken off when going in for service. The new 29.2 program is NOW causing lag until 3,000 rpm's on the N54 bi-turbo engine. Also wastegate problems.