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      01-04-2011, 02:34 AM   #4
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Drives: 08 E92 N53B30
Join Date: Jul 2007
Location: Budweis

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2008 E92 N53B30  [5.00]
My experience with the manifold swap may not be relevant since I have N53B30 but the tuner where I had my car done is also tuning N52s ( the guy is in tuning business 20 years and does only BMW). The only problem I had with the swap was when I had 330i (N53B30O0) software installed. The engine completely lost power and I had to reinstall the original software. I took my car to DS Motorsport in Germany and now I have completely different car. It was expensive but worth every penny. I have more power than 330i and the car is very smooth. I posted the dyno charts in another threads.