Question about 1983 BMW 7 Series
I am looking for information on what the timing marks look like on my 1980 BMW 733i engine so I can correctly time the engine.
most of the time the damper rubber on crank shaft move you dont get correct marking.make sure #1piston up and exhust is about to fire, then you put on timming chain, providing you did not interfre with injector pump
Posted on Sep 28, 2008
Hi some of them have a belt but yours being the M43 engine is a chain, the only thing to listen for with them is chain slap or an rattling around the chain area, a bit of research on the M43 engine also shows that the chain should be changed after 100000 miles as they become weak, Just joined here and found this unsolved i know its a bit late but hope the extra info helps
Posted on Dec 03, 2008
Remove the cam cover, remove the spark plugs, turn the engine to number 1 TDC, put a pencil in spark plug hole number one and twist the crank back and forth and make doubly sure you are at TDC. Now loosen the four bolts at the front of each cam sprocket, check TDC again with the pencil and rocking the crank, now take the pencil and lay it across the flats at the back of each cam. Twist the cams very carefully so that the pencil sits flat on each cam square. Snug up the sprocket bolts and use the pencil to check TDC again! Now check the cams again. Repeat the procedure until you have the cams flat and the engine at TDC.
Posted on Apr 06, 2009
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