Quote:
Originally Posted by 135Pats
This. If you were absolutely thrashing it on a hot track day, maybe youd want to let it sit at idle for a minute or coast around off boost to let things simmer down. But the car will cool the turbos on its own when you shut it down.
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Yup, in any sort of road driving even a spirted one, it's very unlikely that you'll be switching the engine off without some sort of natural run-down period, so it's not really neccessary to let the engine idle for any significant time.
However, I would recommend some sort of run-down/cool down period after any sort of track session. I also try and do at least one cool down/run-down lap before come into the paddock to let the engine settle and temps reduce a bit (and brakes cool) and then pop the bonnet as soon as I'm parked to let all that heat straight up and out.
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2017 X5 4.0dSE ~ Atlas Cedar:Ind.Amaro Brown Merino&Piano Blk, Sport Auto, DHP, Comfort seats, Cold weather pack, HK audio, Electric towbar, Sun protection glass.