I'm asking this question for a good friend of mine. He has a European 1993 730i with the M60 V8 engine. He has been having a problem with the engine misfiring and blowing white smoke at times.
A man that was interested in buying his car told him that there were some engines that BMW made that incorporated for the heads a nickel/aluminum/silicon mix to build the heads so they can be supposedly lighterand stronger. He also told my friend that they tend to fail alot and that he should check to see if there has been any recalls about it.
I have tried alot of places and done searches but can't find anything on it. If anyone can goide me in the right direction would be greatly appreciated. I checked on realoem.com and each head is worth over $3500. Thanks in advance.