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BMW 3-Series (E90 E92) Forum
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BMW O2 fix for N54 catless downpipes
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| 09-11-2021, 07:17 PM | #1 |
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BMW O2 fix for N54 catless downpipes
Check out the install guide at View post on imgur.comThis device will allow you to pass your state vehicle inspection in all US states, and will turn off your check engine light/codes caused by catless downpipes. Built carefully with OEM connectors so there is zero chance your ECU or sensors are damaged. Pre-adjusted for a cat-less N54 engine and very easy to install (10 minutes) I use this in my daily e92 335is. Compatible with aftermarket tunes and piggy-back tuners. |
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