Turbo Boost Leak Tester BMW E90 E91 E92 335i xi N55 3.0L - BILLET ALUMINUM 30PSI

E90 335i N55 Production 09/2009 - 12/2011. - E92 335i N55 Production 11/2008 - 6/2013. - E93 335i N55 Production 11/2008 - 10/2013. Pressurizing the system will allow you to run peak boost your motor was tuned for and ensure you are putting all the power down without any leaks.

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