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F10 / F11 (2011 - Current)
The new chapter in the highly successful story of the BMW 5 Series Sedan (F10) and wagon (F11)

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Old 06-29-2015, 06:18 PM
TVCam550 TVCam550 is offline
Officially Welcomed to the 'Fest
Location: Rolling Hills, CA
Join Date: Nov 2014
Posts: 196
Mein Auto: 2011 550i M Sport
F10 550 front resonators removed with OEM M5 Mufflers

Here's a clip for anyone interested in this setup. I didn't want something too loud so this is what I ended up with. I removed the front cylindrical resonators and replaced with straight pipes. I kept the square resonator at the rear and swapped out the OEM 550 mufflers with OEM M5 mufflers. The vacuum system is unaffected. Just hook up your lines to the new mufflers and the valves work as before. In my opinion this is what it should've sounded like from the factory but BMW wanted an "executive sedan." Boring. It has a nice rumble when cruising and comes to life with a roar when you get on it. There is NO DRONE whatsoever even at cruising speeds and throughout the RPM range.

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Old 06-30-2015, 07:57 AM
que syrah syrah que syrah syrah is offline
Drink More Wine!
Location: No. VA
Join Date: Mar 2011
Posts: 232
Mein Auto: 2011 550iX M Sport
VERY nice.
2011 550i XDrive M Sport - carbon black/oyster
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