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      09-10-2021, 02:37 AM   #1
RyanSira
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Drives: 2016 BMW M235i
Join Date: May 2021
Location: Anchorage, Alaska

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URGENT,,N55 M235i Super Knocking in cylinders, please help!

I have a 2016 BMW M235i I'm running a stage 2 bootmod3 OTS tune. I'm FBO with a dorch HPFP stage 1. I am getting super knocking in multiple cylinders after 4 consecutive pulls last night.
I'm getting fuel injector shut down and super knocking. I don't know if I need to tow it or drive it to the shop. I have a ARM charge pipe and I'm thinking maybe it could've blown off. But also I just got my HPFP installed last week and not sure if it failed. It still starts fine and honestly drives normally you can only feel it at idle, it idles really rough and feels like really bad misfires. Just really worried about it, thank you for the responses in advance.
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