07 335i - Knock Sensor Fault
I have a 2007 335i with 90k. It started going into limp mode with a knock sensor code. This started out being pretty sporadic (once every few days) It even went 10 days without a limp mode after I replaced the spark plugs. Then it got much worse, going into limp almost on every drive.
So I pulled the intake and replaced the knock sensors. It drove great for 3 days then went into limp mode again with the same knock sensor code.
I'm looking for suggestions on where to check for this intermittent issue.
Thanks in advance.
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