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      12-10-2012, 06:28 AM   #57
ecotuneuk
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Drives: BMW X5 35D E70
Join Date: Mar 2010
Location: Glasgow

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Quote:
Originally Posted by Puerto Rican 335d View Post
DAMN piss tank!!! I spoke to my mechanic he raced my car since I had broken hand for the Puerto Rican 1/2 mile race and he did mention with a FREER exhaust I would be able to at least keep with the GTRs and so on. I firmly beleive the downpipe can be resolved like I did with my old 02 MCS, just GUT OUT the inner liners, trust me my MINI did improve on performance and NEVER got a CODE!! but I doubt this can be also done on the "D's"
Gutting out internals in our experience made for outragous turbocharger deviation. In some cases the tips of the compressor wheel broke off and the turbo was junk. We conculded that as the empty DPF created such a low pressure result... like a plenum chamber the boost could not be controlled.. hence why we developed the downpipe/software..

If someone can get us an original downpipe from USA.... we will make one to the same spec as UK/EU models.