Quote:
Originally Posted by ShocknAwe
This is a great find, and would pair well with the Rogue Engineering trans mounts, which I prefer on the 6MT to the E46M mounts. So thanks!
Word of caution though, is that we have no demonstration of bushing deflection in these ECS products vs the OE BMW engine mounts. I'd imagine it's less, but HOW MUCH less? One obvious benefit is lack of fluid within the bushing. Spotted some fluid residue around my own R engine mount recently, so eliminating that potential issue would be a plus on its own for me.
But, vendors frequently advertise, Stiffer is Better! but with no documentation of the difference between their product and stock. A few supposedly "upgraded" products have been independently tested by forum members on the benchtop, unfortunately finding negligible differences.
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I'd love it if our resident forum engineer
fe1rx or anyone else local got their hands on a pair of the 034s and measured them vs factory or 335is. Here are some threads and reviews for more info:
http://www.e90post.com/forums/showthread.php?p=20481546
https://bmw.***********.com/threads/...ne-mounts.946/
http://www.n54tech.com/forums/showthread.php?t=44006
The reviewer states these mounts felt more direct than the 335is mounts, but added no significant NVH. Apparently they are 50+ durometer vs factory 45, but factory has liquid and voids in the rubber while these are solid. 335is also has liquid and voids in the rubber, but stiffer rubber (55 durometer?)
I have the rogue transmission mounts already, and felt a bit of shifter binding on hard braking and downshift at the track. I may go for the 034 motor mounts to pair up with the rogue transmissions mounts so things match up better.