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      11-18-2019, 09:25 AM   #3
HighlandPete
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Drives: BMW F11 535i Touring
Join Date: Mar 2007
Location: Scotland, Highland Region

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Quote:
Originally Posted by petejigsaw View Post
I filled up with petrol yesterday (battery was at 16 miles), and the range indicator said 358 miles. I assume that is 342 miles on petrol and 16 on battery.

I have driven 131 miles since, with the car set to battery control mode at 70% (around 16 miles). The range indicator now shows 201 miles (15 miles battery). That means that of the original 358 miles, there are 26 miles 'missing', despite the driving all being the same sort of style.



Does anyone else think there should be a purely 'petrol' range indicator as well as or instead of the combined one?
I'm not following why you are surprised with 'losing miles' after a drive. Range is a rolling calculation, so will vary as you drive, according to consumption.

I'm surprised you haven't seen this before in other vehicles.

One factor which can skew a range at fill up, is what the 'present' consumption was at the time. If you were on a good figure, it will reflect in the initial range setting, which can be very optimistic.

For example, I typically fill up after an easy drive, when my mpg is pretty high, (35mpg) compared with the average (30mpg). I see a really good range, but typically lose the 'extra miles' after driving around at my longer term average. That is totally normal and expected. My range can easily be inflated by over 40 miles, at fill up. My driving style stays the same.

Surely the combined (petrol/electric) range is usable data, at that is your reality.

Last edited by HighlandPete; 11-18-2019 at 09:32 AM..
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