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Old 02-16-2013, 08:51 AM
b52murph b52murph is offline
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Location: Dale City VA
 
Join Date: Jun 2010
Posts: 85
Mein Auto: `97 540i
When you "topped off" the expansion tank, did you loosen the bleed screw first? The 6s are more bleed-fussy than the V8s. I had a friend ruin the head gasket on an E34 520i (living in Europe at the time), because on a long drive he "topped off" and then drove in the red for several hundred KMs thinking there was coolant in the system. As soon as we loosened the coolant screw, it was obvious that his coolant system was full of air. Alas, too late; the white smoke and antifreeze in the oil appeared a short time later.
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Jordan Murphy
`97 540i 205K
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