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Thread: Z3 @%#@! Rattle
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Old 02-15-2013, 12:05 PM
atopa2002 atopa2002 is offline
Registered User
Location: Richmond,Virginia
Join Date: Mar 2010
Posts: 23
Mein Auto: 2009 e90 335i
It's very easy,the metal bumper or hard part and the plastic part is help together by two torx bolt,size T50 or 55,jack the rare and look under the car where the bumper is attached to the car,you will see the two bolts at each side holding the bumper to the subframe ,those are the only big bolts you need to take out ,there are two small screws attaching the edge of the bumper to the wheel well plastic,take it out and use your hand to remove the edge of the bumper from the wheel well plastic .you don't have to take out the bumper all the way,the reverse lights wires is still attached,support it with a small chair.

The weights is held to the subframe by a bolt unscrew it then the weights is freed reattached the bumper making sure the side ends get hooked or locked in to the wheel well plastic and then screw the torx bolts back.
It's very easy,I'm not mechanically inclined but it took me just 30mins.
I have had my z3 for a year and its my first car I have worked on my self,changing oil,trans fluid,diff fluid ,fuel filter etc,
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