Quote:
Originally Posted by AleksanderSuave
the piggyback tuner messes with the DME? I was under the impression that the benefit of a piggyback tune is that it doesn’t do anything permanent to the DME
|
If you had the Dinan installed at a BMW dealer like I did they can see the service history of it. Instant loss of factory warranty. I would either leave it on there, maybe in bypass or put it in the trunk to put back on should you have any issues. Trust me, if BMW knows you had it on there they will deny warranty immediately.
Dinan is unlikely to help you with warranty if you have it removed and get your money back.
The oil volume and pressure are controlled by the DME. Part of the algorithm controlling the oil volume and pressure is the amount of turbo boost.
Adding boost without adjusting the oil volume/pressure can lead to oil starvation and engine failure. The piggyback lies to the DME about the boost and does not adjust the oil volume and pressure.
Pat