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      01-16-2012, 09:19 AM   #5
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Drives: BMW F11 535i Touring
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Originally Posted by Laney View Post
How often do the regens occur? Is it based on mileage or a sensor?
Every day if you drive enough miles. Suggested something like every 300 miles, I'd agree with a figure like that, certainly during every tank full in my experience.

Sensor is reading back pressure in the exhaust.