Quote:
Originally Posted by v_diddy95
Why do you zip tie the chain to the cam? If you have to set the timing with the vanos plates.
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It is just a precausion. Timing chain tends to stretch over time and it does it unevenly. This means that tension on different sections a) between crank and exhaust cam b) between exhaust cam and inlet cam c) between inlet cam and crank will vary. Fortunately in BMWs there are two tensioners, so it is not that important. But if you want to be on the safe side and put everything back the way it used to be, it is a good technique to zip-tie the chain. Of course if you are replacing the chain to a new one all of that is not necessary.
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2007 335i E90 N54 6MT
Mods: MHD Stage 1 +FMIC, ER Black FMIC, ER Black Oil Cooler, BMS OCC, RB PCV, BMS CDV, BBS 18" CH Wheels, StopTech cross drilled & slotted breaks