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3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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post #1 of 2 (permalink) Old 10-28-2011, 01:30 AM Thread Starter
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valve adjusting

So to night i adjusted my valves and all went well until i got to cylinder #2. at which point i noticed that the louves on the cam were still up, locking the rocker arms in place. so after trying and failing to adjust i moved on to cylinder #4 which did the exact same thing. at first i thought timing was off but how could that be since the car ran fine before i started and cylinders #1,#5,#3,#6 all adjusted fine. please help.
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post #2 of 2 (permalink) Old 11-15-2011, 01:53 AM
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you want the lobes to face as equally down on both sides when you look from the top, also DO NOT OVERTIGHTEN ECCENTRIC BOLTS, SNUG THEM NICELY WITH A FEW FINGERS UNTIL YOUR FINGERS HURT DECENTLY AND THATS MORE THAN ENOUGH. I even stuck a little anti-seize on mine because they were sticky to get off and it will also help to reduce vibration in the bolt and help it torque evenly. ABout the valves...if the engine is in time the mark on the cam gear lines up to the mark on the machined surface on the front of the cylinder head behind the upper timing cover. if the motors out of time the valves will bump when you turn the crank bolt with a big crescent wrench or w/e u wanna use, so do a full 720degrees to be sure and if with the spark plugs still in you feel it tighten up dont fear youre fighting the motors compression stroke. JUST BE SURE TO NEVER OVERTIGHTEN ECCENTRIC BOLT, i stripped one once torquing it to BENTLEY PUBLISHERS SPECS, not saying anything bad about the manual its perfect but obviously poor grade bolts for the job they serve. Thats about all the input i have, the bentley manual says there is a valve adjustment cycle that you must abide by, google it if you dont own a manual, if im not mistaken theres also a YOUTUBE video on E30 valve adjustment. LAAATER good luck
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