Quote:
Originally Posted by beemerbill
From all that I have read, It seems the Dinan Stage 2 is about on even par with the BMS piggyback. I have had Dinan products on my 2011 550i and loved them. But, for almost $3k more for the same HP gains, I may have to go BMS this time.
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Might be on par with the stock boost settings of 2.2lbs, but BMS can SAFELY be increased to 4lbs easy.