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21 m550i jb4?
Hey guys, I have a 21 m550 with 51k on it. Oddly i do not find a ton of intel of throwing a piggyback on these, but some on m50 suvs.
I know the n63 has a checkered past and also know that the one in the 21+ is as good as bmw made the n63, with the steel cooling lines (I know they fd that up in the 20, happy for those that got the swap for free).
Anyways, should I be scared of piggybacking this thing? It's still a rocket, just got some 3.3 0-60s tonight (it is 18f here, the cold helps).
I'd love to get that numner into the 2s, and I think a jb4 gets me there. I just don't want to destroy anything.
Feedback/advice is much appreciated.
Thanks!
Matt
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