M5 Guru (>2000 posts)
Join Date: Nov 2010
Location: Sanborn, NY
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What is the ambient air temp? (outside air) That temp looks fine to me if cruising for an extended period of time and the outside temp is cooler or cold.
Edit - my bad, I realized I can see the outside air is 17C. The oil cooler is large on this car. That said, the engine manual states the oil thermostat opens at 100C. Maybe you have a problem where it is not closing enough, but with low load conditions for so long, it is possible the engine isn't generating enough heat to warm the oil further?
2013 M5 Imperial Blue/Silverstone II, 6MT 64k miles
2000 Anthracite daily driver
UUC dssr and shifter
Supersprint headers with Tubi catback
Dinan 3.45 JED lightened flywheel
286,000 miles and counting
'00 Imola/Imola 107k stock
'00 Silverstone/Silverstone 129k (SOLD)
Last edited by technician117; 14th March 2019 at 07:35 PM.