What will Restore Compression in my BMW N63TU?! New Injector Install + Downpipes Removed!
In this video, I continue diagnosing and troubleshooting my misfiring 2015 BMW 650i. I’ve tried several chemicals now from valve cleaners to chemicals used to unstuck/free piston rings. I have replaced the direct injector in the second cylinder. Still no luck. Next step will be to remove the passenger side head and check the valves, which I think are the issues. Enjoy!
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