Quote:
Originally Posted by Louzy77
Got this CEL with mods: PS2 turbo, charge pipe, meth, JB4+, Wagner intercooler, DV+. Seen this on other forums but none on 16 OG M2 with mods. Any advice please? Car runs fine otherwise
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What's the actual code, and was this from ista? Generic obd2 scanners are crap since they can't get BMW specific codes.
However if it really has to do with the pcv hose, then in most likelihood the brittle plastic hose has cracked. It is very common especially after heat cycling for awhile, and it could have cracked. Since these cars can measure vacuum it probably detected a leak in the crankcase caused by your faulty hose and triggered the cel. Just open the hood and feel the pcv hose by gently squeezing it. If it feels firm then it's ok check the connections if they're secure, if it feels like it's crunching around or brittle like a bunch of broken pasta noodles the hose body is broken and you'll need to replace it. Make sure you feel the entire length of the hose from the valve cover to the intake inlet pipe, and do it when the car is cold if you don't want to burn yourself.