Thread: No 128i Love :(
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      07-17-2012, 05:20 PM   #69
Obioban
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Quote:
Originally Posted by NYC6 View Post
Whats diamond shaped?

The reason mg was used was to save weight. Not due to similar expansion. Mg is lighter than Al and relatively strong(not as strong as Al). The N52 engine is not suitable for high hp applications. Thats pretty much a known given. The engine was developed using BMW's "Green" program. If it were as strong as the N54/55 units it would have been used in the 135's, 335is and 1M. A M car would certainly sport a lighter weight engine if any. They use N54's because they're stronger. Its that simple.

You didnt address my question regarding the 4g plant. Im curious to know what you mean.

Whats a Mg piston head? You cant forge Mg.
... Aren't the s65 and s85 Alu blocks?
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