E46Fanatics - View Single Post - Need help with rough idle and stalling
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Old 01-02-2013, 07:30 PM   #18
OEM ///Member
Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 23,189
My Ride: 330CiC, M5, X5, E93
If you have tackled the other things on your list, you can likely address the CCV. If you pull the oil filter housing off, it will make the job a bit easier. Just be careful that you get all your hoses snapped properly. Some may be hard to get a good angle on them to properly connect them.

You might want to also go ahead and replace both the upper and lower intake boot and clean the ICV while you are in there. Also search and consider pulling the dipstick to replace the O-ring as well as clean out the double wall dipstick tube.

If you can do the work, you might as well do the job and get all the PITA items sorted once and for all.

Good luck and also check the 3rd link in my signature to make sure your coolant temps are really correct. Most of these cars should run between 90-93C consistently unless under heavy load when the thermostat heater kicks in and drops the temps.
Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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