New car arrived
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Joined: Dec 2005
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From: Chippenham, Wiltshire UK
My Ride: F11 535i M-Sport,, Silver, Black Leather, LED Adaptive headlights
Model Year: 2015
Engine: N55
Originally Posted by 911SC' post='399514' date='Mar 7 2007, 09:11 AM
4. The fuel computer only reads at 2 decimal places either X.3 mpg or X.7 mpg and skips from one to another- is this normal or should it be measuring on a proper graded basis?
This is then converted into MPG.
So it will only change when the L/110Km moves up from say 8.5 l/100km to 8.4
The corresponding step in MPG is 33.2 and 33.6
You can see the effect on this convesrion calculator
http://www.markporthouse.net/rangie/fuelco...conversion.htm#
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Joined: Aug 2006
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From: West Sussex, England
My Ride: 520d saloon, manual 6 ratios, olivin metallic, star spoke 122 alloys, delete boot badge, bi-xenon adaptive headlights including washers, graduated tinted windscreen, exterior and interior mirror auto dimming plus electric folding door mirrors, extended light package, dakota beige leather, dark poplar wood, electric seat adjustment including memory function, heated front seats, advanced climate control, velour floor mats, sliding front armrest, lumbar support for front seats.
Originally Posted by aybeesea' post='399713' date='Mar 7 2007, 06:39 PM
I'll read this with interest and try to fine tune my OBC. I'll do a number of further manual tests first though after my next fill ups to get a more accurate "actual" figure.
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Joined: Nov 2004
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From: CORNWALL
My Ride: 640D MSPORT GT
Originally Posted by aybeesea' post='399699' date='Mar 7 2007, 06:21 PM
Some people use Government consumption figures (Urban, Combined etc) achieved under laboratory conditions as guidelines between models and manufacturers.
It is also useful to calibrate the OBC using actual mpg from fillup to fillup.
ABC
It is also useful to calibrate the OBC using actual mpg from fillup to fillup.
ABC
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