JetBlackE46 said:the dealer fixed this a while back but i never figured out what they did until recently. apparently they drilled 4 holes in the back of the hk case. now it's "ported"
chrisflipmd said:Is there any official BMW document they found that used this method to fix HK rattle, or did your dealer find this out on their own?
vernong said:The dealer did he same thing to my hk with the holes ,only he bored out 4 1 1/4 holes,that was in April 2001.everthing is fine.the dealer said that it was BMW's fix for the problem.he never said anything about the foam in the rear deck.