Materials to Maintain Your ZHP IIIII Hand Protection IIIII Tools to Maintain Your ZHP
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  1. #21
    Join Date
    May 2015
    Location
    Just west of Boston, MA
    Posts
    111
    Since this post has been revived I thought that I would add something interesting. When I first installed my boots about 2 years ago I also wasn't a huge fan of the fitment, it always seemed to me like the upper boot was a little too long and angled the wrong way. I always dreaded having to remove it from the MAF housing for any reason. Last weekend I replaced my motor mounts, raised my engine up about 1/2 to 3/4 of an inch, and now the silicon boots fit much better.

    If Mishimoto engineered and test fit the boots on a car with good motor mounts, which I hope is the case, this would explain why some people are having fitment issues. If you motor mounts are compressed as much as mine were and the engine is sagging 1/2 to 3/4, the much less flexible silicon boots just aren't going to fit right. The OEM rubber boots with the accordion section will flex and stretch, the silicon will not.
    Steve,
    2004 330i zhp
    2009 X3
    2013 X1 35i M-Sport

  2. #22
    Join Date
    May 2014
    Location
    NOVA
    Posts
    85
    How many miles did you have on your car before replacing the engine mount?
    2005 ZHP Jet Black 6-Speed MT

  3. #23
    Join Date
    May 2015
    Location
    Just west of Boston, MA
    Posts
    111
    Hi,

    My car just turned 106,000. My mounts weren't split right in half like some that I have seen, but they were definitely collapsed and the rubber was really hard and had a lot of cracking. With the new mounts I can't even feel the car running at idle, prior I had a slight vibration. I am also going to do transmission mounts along with fluid and filter service in a few weeks.
    Steve,
    2004 330i zhp
    2009 X3
    2013 X1 35i M-Sport

  4. #24
    Join Date
    May 2014
    Location
    NOVA
    Posts
    85
    Thanks. I will look into my mount as well.
    2005 ZHP Jet Black 6-Speed MT

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