N54 vs N55 PE Mufflers- are they the same?
Hey everyone! I'm being offered N55 Performance Mufflers for my N54 E90. I already bought an X pipe to replace my midpipe.
The big question is:
are N54 PE mufflers and N55 Mufflers the same(sorry if this has been asked before)?
Could someone please chime in? Thanks in advance!
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