Simple.... The 545i had front end damage.. block has stripped thread.. cheaper to implant!
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Originally Posted by asawadude
What would be the reason to drop a 4.8is engine into a 545i? Does the 35 HP gain justify the expenditure? You could probably get 35 HP with aftermarket parts for the 545i's original engine.
Dropping it into an '01 X5 has got to be as difficult a task, if not more.
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