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The BMW Range
5 Series
E39
Vanos Failure
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<blockquote data-quote="dzuljazz2001" data-source="post: 402160" data-attributes="member: 18107"><p>:listen: Single and dual VANOS systems due to age and mileage are commonly seeing performance issues as well as complete failure of the VANOS piston seals. Another common effect is a "Rattling" sound coming from the upper valve train assembly. The original seal material was found to be inferior for the application and tends to break down in as little as 25k - 35k miles......</p></blockquote><p></p>
[QUOTE="dzuljazz2001, post: 402160, member: 18107"] :listen: Single and dual VANOS systems due to age and mileage are commonly seeing performance issues as well as complete failure of the VANOS piston seals. Another common effect is a "Rattling" sound coming from the upper valve train assembly. The original seal material was found to be inferior for the application and tends to break down in as little as 25k - 35k miles...... [/QUOTE]
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Vanos Failure
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