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      12-13-2018, 07:37 AM   #7
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Drives: 2014 335i M-Sport
Join Date: Jun 2018
Location: Minneapolis, MN

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Originally Posted by DigitalArts View Post
So based on what I can see from the diagrams, the repair kit is just a new spring and guide with a new locking nut. Theoretically, the issue is probably that the spring is not as strong as it was brand new which would explain why so many people report the issue going away but coming back.

That said, tightening the current nut should simply add some pre-load compression to the spring which would return it to a similar pressure as OEM. Seems a lot like a timing chain tension system except that in this case it's a spring as opposed to the oil pressure.
I doubt they would include other parts in the repair kit if the issue was just a bad spring. Wouldn't the repair kit be just the spring then? If you want to manually tighten the piece, go for it!
2014 335xi M-Sport 6MT: Estoril Blue II, BM3 Stage 2, Dinan Exhaust, Dinan CAI, ER Catted DP, ER Chargepipe, AA FMIC, M-Sport Brakes.