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      07-07-2021, 04:38 PM   #6
robnitro
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Drives: x5 35d e70 2011
Join Date: Sep 2016
Location: NYC area

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Quote:
Originally Posted by POBEP View Post
robnitro - IMO, this experiment would be waste of your time.

E70 is a heavy vehicle and magic device like swirl flaps will not be able to contribute enough to make noticeable difference on the city mileage.

The DPF delete does improve overall mileage as ECU no longer waste fuel for active re-gen.

IMO, the biggest E70 city mileage impact would be 6-to-8HP swap and/or xDelete

If city mileage is real concern - the best solution is EV
Electric is a waste, in my area it costs a lot but I would have loved a parallel hybrid like the volt was!

You're right about the flaps! I realized they're only there for the egr gasses to mix evenly for combustion. Without the reduced airflow from egr/throttle plate function, there's no help.

Thanks for the help.
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POBEP367.00