Yes, the correct way to quickly warm up a motor is to drive within the first 30 seconds of a cold start and drive moderately until the oil is fully warm. As others noted, oil takes a MUCH longer time to warm up than coolant. I watch it all the time on my Torque app. During warm up, oil lags behind coolant by about 5 minutes in terms of getting up to a safe operating temp.
The N55 DME is pretty smart though as the wastegate will bleed boost until oil is warmed fully. Even so, unless it's an emergency situation, let your oil fully warm up and disregard what the coolant gauge is telling you as it's basically a dummy gauge that tells you three things: cold engine, operating, and overheating
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