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Rattle On Startup

Discussion in 'E38 (1995-2001)' started by kdn32303, Aug 19, 2008.

    kdn32303 guest

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    I have a 2001 740i Sport, with 101k and for the past few months when I start the car there is a rattle type noise. This noise doesnt occur everytime... a lot of uninformed people have theories... ranging from "vanos" to chain tensioners, etc... Does anyone else have this problem? Should I be worried?

    yursobmw guest

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    With car on a lift, strike the catalytic converters and see if the rattle is from them.

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