ZPOST - View Single Post - roadtripping in MRoadster, what mpg @ 60mph?

155MPH · 11-18-2008, 05:21 PM

I am getting 23 MPG combined in my Z4MR. Only mod is the Stromung exhaust. MPG increase about 1.2 MPH according to OBC after switching exhaust. Not sure what pure hw mileage is as I only drive in mixed.

11-18-2008, 05:21 PM	#14
155MPH Major 63 Rep 1,379 Posts Drives: E89 Z4 sDrive28i M Performance Join Date: May 2007 Location: South Jersey Shore iTrader: (0) Garage List 2019 BMW xDrive430i ... [0.00] 2014 BMW Z4 sDrive2 ... [5.00]	I am getting 23 MPG combined in my Z4MR. Only mod is the Stromung exhaust. MPG increase about 1.2 MPH according to OBC after switching exhaust. Not sure what pure hw mileage is as I only drive in mixed.
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