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Old 10-02-2012, 08:06 AM
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Fudman Fudman is offline
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Location: Sudbury, MA
 
Join Date: Apr 2007
Posts: 6,052
Mein Auto: '02 530i Sport auto
It does sound like you have a Vanos rattle. Unfortunately, Beisan does not have the bearing replacement for the V8 yet. They do have the seal kit for the V8 now. Going with thicker oil probably reduced the ability of the cylinders to move within the Vanos, reducing the rattle.
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