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Switch off terminal 15 & terminal R for DPF regeneration?

75K views 16 replies 9 participants last post by  degm1980  
Have you monitored your coolant temp? Soft failed thermostat can cause no regens. Lots of posts on that on E70 forum. At your mileage the thermostat is more than likely kaput if it's original. Mine got lazy on the 60k mile range, it was replaced at 70k.
 
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