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      04-28-2016, 08:39 PM   #989
DieselDrink
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Drives: 2020 M2 Comp in HS
Join Date: Sep 2014
Location: Toronto, ON, Canada

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Hi all,
I"m a newbie to BMW and have a pre-owned 2011 335i xDrive special edition, 6spd.

Loving it so far, and have never been to track with any car. I'm looking at going out to a track day June.

I have the BMW stage 1 performance kit, so mild tune. I'm noticing under hard driving just around the highway, hard accelerations, on/off ramps etc, a few times my car has thrown the orange/half engine symbol, but doesn't go into full limp mode. After turning the car off and restarting CEL is gone, normal operation.

Is this my engine oil heating up? Coolant getting high temp I suspect?

or is it a possible overboots code or misfire or something?

I have a OBD scanner, but it does not pick up any code even when the light is on (after tripping it).

What should I look out for here?

Lastly: I am considering putting the Dinan Stage 2 tune overtop of what I have. It runs the coolant pump at higher output more of the time. Do you think that would be enough to avoid CEL trip if it is the coolant temp? Should I run the coolant mix with a bit more water for track day (improves cooling).
Appreciate 0