Quote:
Originally Posted by HeelToe
I had an Eisenmann on my e90 330i for 2 years and then replaced with the BMW Perf exhaust because I couldn't stand the drone when cruising. Obviously this comment doesn't apply to an n55 135. I can say though that my 135is with the BMW perf exhaust is unbelievable.
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So with that being said, will the amount of drone on your 330i the same on my car which is n55 135i? Is it really bad drone in cruising speed? I think my n55 is now making a little bit drone while cruising but only when you really listen to it. Have you ever heard Meisterschaft? How does it sounds compared to Eisenmann? Thanks