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BMW 3-Series (E90 E92) Forum
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Placebo: Yes or No: 330i exhaust flap: Unhooked vs connected
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02-02-2015, 12:16 PM | #1 |
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Placebo: Yes or No: 330i exhaust flap: Unhooked vs connected
So...looking for an opinion on this:
Summer 2014 I unplugged the vacuum line from my exhaust flap and enjoyed the new found sound 2 weeks ago, after getting a bit sick and tired for the sound, I plugged the line back into the exhaust valve To my shock, the car feels like it has gained some pep- Similar to a charcoal filter delete. Placebo? or no? |
02-02-2015, 07:01 PM | #5 |
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Drives: '05 E90 330i Manual
Join Date: Aug 2010
Location: Cape Town, South Africa
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I tested this by disconnecting the plug (so had stored errors from this, anyway), but the initial smile from the extra noise was soon replaced with a frown from it just being annoying, so probably only had it like this for a week or so. Can't say that I noticed any difference in performance either way.
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