Quote:
Originally Posted by culpability
The only other person I know outside of the board *who tuned his car* blew up his charge pipe running a stage 1 tune on an n55 and my tuning shop tells me they see a lot of charge pipes blowing up, even on non-tuned cars.
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Agreed, the N55 had a defect, even stock, with the charge pipe due to the pressure they were running. Anyone running that engine should replace their charge pipe. However, that issue did not translate to the N20/26 or B46/B48. Fear from the N55 drove the myth that the 4-cyl turbo engines needed the charge pipe replaced as well. But as I mentioned you won't find anyone running N20/26 or B46/B48 engines with a stock turbo to have blown a factory charge pipe. Isn't enough pressure.