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Re: 1994 840ci should i buy? (archive)
[ Follow Ups ] [ 8-series (E31) Message Board ] [ Msg. Board FAQ ]
Posted by Joe on July 14, 2000 at 21:34:16:

In Reply to: 1994 840ci should i buy? posted by Hal on July 14, 2000 at 18:35:48:

BMW had serious problems with the 8 cylinder engines due to the alloy they used. High sulfur gasoline can pit the alloy and cause compression loss. After the problem was found, BMW gave each owner a 6 year, 100K mile warranty.
A leakdown test will determine if the engine is losing compression. You need to ask if the engine in this car has been changed and also make sure that the new engine did not contain the same alloy. The first year or two that BMW changed the engines, they were replaced with identical engines which may have the same problem. The 850's do not use this alloy.
Personally, I would not buy one of these cars unless the engine had been changed and it contained the new alloy.

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