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      01-23-2018, 07:07 PM   #1
sal00
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Unhappy MPG HELP

Hi everyone, newbie here.

I own a BMW 320D M Sport F30 2013 Auto with 403m wheels on, the problem I am getting is, is that I only manage to get 38mpg urban whilst driving my best. Is this correct? I have just recently changed from RF to Standard Tyres and it is now showing 38mpg otherwise it was showing 32mpg before!.

the car is upto date with its services and it is well looked after but I cant seem to figure out what could be causing it to give such a low mpg, considering people are getting 45+ in urban.

I have attached some pics of my pride and joy

thanks
Sal
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      01-23-2018, 07:15 PM   #2
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Wait you were getting 32mpg, but after changing tires you're getting 38?
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      01-23-2018, 07:19 PM   #3
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Wait you were getting 32mpg, but after changing tires you're getting 38?
Yep, the tyres needed changing and they made the ride really harsh too, love standard tyres now. I am getting better mpg now after changing the tyres
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      01-23-2018, 07:21 PM   #4
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Yep, the tyres needed changing and they made the ride really harsh too, love standard tyres now. I am getting better mpg now after changing the tyres
Does your car have a sport option or something? Have you changed it to comfort or whatever? Maybe thats why others are getting better Econ
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      01-23-2018, 07:30 PM   #5
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Does your car have a sport option or something? Have you changed it to comfort or whatever? Maybe thats why others are getting better Econ
yeah it comes with the standard option Sport +, Sport, Comfort and ECO. I haven't changed it to Sport mode. this is running on standard Comfort mode. I have never been able to see it touch 40mpg. on the motorway I get 45mpg which is a shock too.
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      01-23-2018, 07:36 PM   #6
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yeah it comes with the standard option Sport +, Sport, Comfort and ECO. I haven't changed it to Sport mode. this is running on standard Comfort mode. I have never been able to see it touch 40mpg. on the motorway I get 45mpg which is a shock too.
Run Eco then and see how it goes
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      01-24-2018, 02:07 AM   #7
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...
I own a BMW 320D M Sport F30 2013 Auto with 403m wheels on, the problem I am getting is, is that I only manage to get 38mpg urban whilst driving my best. Is this correct? ...
32 is pretty low, 38 about right. Diesels get lousy mileage in city/urban driving. I assume that those are UK MPG. My wife's 328xd (USA 328d is same as UK/EU 320d) is sitting at 36.5 mpg (US gallons) from a mix of city and highway.

Check fuelly.com for typical averages (USA mpg): http://www.fuelly.com/car/bmw/328d
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      01-24-2018, 07:08 AM   #8
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32 is pretty low, 38 about right. Diesels get lousy mileage in city/urban driving. I assume that those are UK MPG. My wife's 328xd (USA 328d is same as UK/EU 320d) is sitting at 36.5 mpg (US gallons) from a mix of city and highway.

Check fuelly.com for typical averages (USA mpg): http://www.fuelly.com/car/bmw/328d

ok, thank you for that, appreciate it. i was worried thinking somethings not right with the car, manuals are getting around 55+ mpg! that's amazing
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      01-24-2018, 11:30 AM   #9
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Congratulations man and welcome. Beautiful car
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      01-24-2018, 12:14 PM   #10
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ok, thank you for that, appreciate it. i was worried thinking somethings not right with the car, manuals are getting around 55+ mpg! that's amazing
We've gotten about 48 mpg on the highway - similar to UK 55 mpg.

We've got the 8 speed auto - it doesn't get into top gear until at least 48 mph; anything below that gets poor mileage. And if you cruise faster than 65-70 you'll also start to drop due to wind resistance.
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      01-24-2018, 04:59 PM   #11
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Quote:
Originally Posted by sal00 View Post
Hi everyone, newbie here.

I own a BMW 320D M Sport F30 2013 Auto with 403m wheels on, the problem I am getting is, is that I only manage to get 38mpg urban whilst driving my best. Is this correct? I have just recently changed from RF to Standard Tyres and it is now showing 38mpg otherwise it was showing 32mpg before!.

the car is upto date with its services and it is well looked after but I cant seem to figure out what could be causing it to give such a low mpg, considering people are getting 45+ in urban.

I have attached some pics of my pride and joy

thanks
Sal
Don't follow such a massive change in mpg simply for tyres. Did you have an alignment done at the same time?

One easy thing to check with diesel is ECT, check out the thermostat. You can do this running the oil and coolant temperatures via the hidden menu, while you drive your normal trips. See how quickly coolant warms up to ~90C and see if it stays there.
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