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BMW 520d B47 Engine Fuel Consumption

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On 8/5/2017 at 1:45 PM, RobM said:

I have a 63 plate 520d LCI, with 51k miles, which is used mostly on the motorway for a 40-mile commute each way. I consistently get 52-55mpg with my driving style, which isn’t too heavy footed, but I do like to make good progress. 

When I settle down and cruise along smoothly, I’ll easily get 58mpg. 

 

I had it remapped by DMS recently and that hasn’t changed it much. Daily MPG is the same, but cruising MPG is better. My max is 61.5mpg.

 

That said, since the remap, when you put your foot down and press on a bit, it really drinks! It’s so worth it though. 

Hi

 

im interested what the accelerations like now ? After the tune, could you do a little write up, I’m after doing the same as I’ve used them previously on other cars

 

cheers ears

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On 07/02/2018 at 9:44 PM, Paulnorthwest said:

Hi

 

im interested what the accelerations like now ? After the tune, could you do a little write up, I’m after doing the same as I’ve used them previously on other cars

 

cheers ears

 

Its good. Not 530d good, but it’s very good and suits the car very well. 

Standing-start acceleration isn’t something I do a lot, so can’t really tell you what affect it has had on 0-60 or anything similar, but the difference is incredibly obvious. On the odd occasion I do partake in traffic light Grand Prix, it’s rare to be embarrassed. 

 

The big difference is in-gear acceleration. With a gentle touch, it’ll accelerate cleanly and quite quickly without changing gear. 

 

With a heavier touch, it doesn’t need to drop down as many gears to get going. If you have it in Sport mode, or you jab the throttle to make it kick down and then plant your foot, it really moves. A regular example is quickly raising speed to change motorway lanes - accelerating from, say, 60-80 takes no time at all. 

 

As standard it it felt breathless accelerating at motorway speeds. Now, it never does and pulls incredibly smoothly. It accelerates like it’s two gears lower than it is in reality. This was my biggest gripe and has been resolved totally. 

 

Sorry none of this is particularly scientific or specific. It’s just the ramblings of a happy customer. 

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22 hours ago, RobM said:

 

Its good. Not 530d good, but it’s very good and suits the car very well. 

Standing-start acceleration isn’t something I do a lot, so can’t really tell you what affect it has had on 0-60 or anything similar, but the difference is incredibly obvious. On the odd occasion I do partake in traffic light Grand Prix, it’s rare to be embarrassed. 

 

The big difference is in-gear acceleration. With a gentle touch, it’ll accelerate cleanly and quite quickly without changing gear. 

 

With a heavier touch, it doesn’t need to drop down as many gears to get going. If you have it in Sport mode, or you jab the throttle to make it kick down and then plant your foot, it really moves. A regular example is quickly raising speed to change motorway lanes - accelerating from, say, 60-80 takes no time at all. 

 

As standard it it felt breathless accelerating at motorway speeds. Now, it never does and pulls incredibly smoothly. It accelerates like it’s two gears lower than it is in reality. This was my biggest gripe and has been resolved totally. 

 

Sorry none of this is particularly scientific or specific. It’s just the ramblings of a happy customer. 

Your a gent

 

thanks for that, that sounds just like what I’m looking for !

 

cheers rob, looks like a trip to DMS this month is on the cards then :-)

Edited by Paulnorthwest

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Also to add to this topic around consumption I did a 50 mile each way journey today on the speedresricted 50 mph motorway and did eco plus all the way, 

 

60.4 mpg was the result however that was with the start stop activated which I never use as I consider it dangerous and it only activated 4 times on the journey at traffic lights at the beginning and end of the journey each way.  

 

So bmws firgures are realistic but not for everyday life, I probably won’t see this figure ever again, I just did it to see what the max I could get was.  The journey was not in any way enjoyable as a result. 

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