Even with a new cold weather crankcase ventilator, I still have sludging issues. So the hotter the better at this time of year IMO. But no, I did not use the hidden menu. Havent figured that out yet. Long as it isnt past halfway it is still safe, so I don't really care how hot it is as long as it isn't going to break.

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2003 3.0 5MT Topasblau
Purchased in 2016 and sold in 2024
2012 35d Platingrau