MazdaSpeed3 Smoking Issue?

Looking for Oppo advice.

I have a 2009 MazdaSpeed3 I picked up new. 62k miles. Have been religious on oil changes every 5-7k (using Mobil1 Extended Performance 15k oil & filters).


Recently noted excessive white smoke out of exhaust at idle, at stop lights/etc. Has a oilish burnt smell to it. Oil levels consistently fine, no notable loss, oil has also always been cleanish (no metal) when draining at oil change.

Anyone have any thoughts on this as to any potential issues? Just had it in for 60k scheduled maintenance and the stealership noted no issues. Am I just being paranoid?

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