Question about 2004 BMW 330i
Posted by Anonymous on
There aren't any. If you are asking this question, you probably shouldn't be attempting to remove or replace the chain. You must have a special tool that sets the sprockets in the correct location and then mounts the chain and sprockets on the car together as a set. If you don't do this and try to guess, the engine will be severely damaged and probably will never run again. It is what is called an interference fit and if it is not timed correctly will smash up the internal components.
Posted on Oct 06, 2014
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
Testimonial: "worked perfect"
Haynes lists the entire procedure for setting the position of the cams etc. Positioning of these is critical...If off by even a slight amount the valves WILL strike the pistons and destroy the engine. DO NOT use any parts made by SA Gear...They have no quality control and will deny any claim made against them. Make sure that the chain guides are in good condition and that the chain tensioner is operating properly.
Posted on Apr 15, 2009
Yes it makes a difference. You can never go wrong following the manufactures recommendations in your owner's manual. Saying that, I recommend every 5,000 miles if you use conventional oil and every 7,000 miles if you use synthetic and drive normally. If you drive mainly highway driving you can extend these 1,000 miles. Just as important is to change the filter at every oil change and to use a quality filter such as Purolator, Wix, AC/Delco, Motorcraft, or Bosch. Avoid cheap filters. Also important to a clean engine is to change the air filter every 30,000 miles.
Posted on May 25, 2010
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