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      10-26-2012, 02:13 PM   #8

Drives: Boxster S; 2013 X3 28i
Join Date: Jun 2012
Location: Chicago

iTrader: (0)

Originally Posted by HighlandPete View Post
The test, here in the UK, was switching fuel only. Can't see what else is coming into play except the fuel itself, and the ECU adapting to the knock rate. OK, the fuel additive package could be different, as it often is across brands, but the HP change is from switching fuel and octane rating. All fuels would have been to the same British Standard.

exactly. they only changed the gasoline and listed the average dyno (rolling road) reading of 3 separate pulls per type of gasoline.

fifth gear won't let us in the US view the vidoes on their website. perhaps someone fromthe UK can post the episode video.
2013 X3 28i, AW, Chestnut, Sienna, ZAP, ZCV, ZCW, ZDH, ZPP, rear view, park distance, cargo net (Wife's) (Pics and story)

2010 Porsche Boxster S (Mine)