Originally Posted by tojo_m
As far as what I have read and understood, the HPFP failure issues were associated with the N54 engines. Not sure if N55s have seen the same issue.
The HPFP got redesigned for all F30s, and post-March 2012 E92/E93 cars. So, some N55 cars do have the old design. In other words, you can't correlate HPFP with just all N55 vs. N54 cars.