I have had the Dinan Stage II on my 2011 e90 since it came out. While it may be on the high side of the tuner cost it is still a great tune for this car. Yes, it could be more aggressive but for my needs it is great. I will look at a different tune if I decide to change my turbo down the line though. I hear Dinan has been workin on the N55 and some news coming out next spring possibly.
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