Quote:
Originally Posted by NYC6
since 2011 all 135's come with a single turbo.
The 128 block is an aluminum/magnesium alloy that isnt cut out for boost. Thats why BMW uses an all aluminum block for the 135. The 128's internals are different also. You would be making a ticking time bomb by boosting the 128.
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This is the point I came to make. When it came time to make the N54 the N52 with simply a turbo added to it was evaluated. However BMW determined that the Magnesium crank case could not handle the increased temperature and crank pressure brought on with turbos.
In other words an FI N52 is a terrible idea.