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Post by Martin on May 21, 2018 17:03:17 GMT
Along with voodoo laserlights and voodoo suspension, there's clearly some sort of witchcraft going on with the engine as well. Did my first two motorway journeys today. The first one is from the far side (relative to the motorway) of Banbury to Walsall and the second is back home. I wasn't trying for a decent mpg, just driving normally / keeping up with the flow, but not in a huge rush either. Reasonable average speed on the first journey, through Banbury followed by a full bore motorway merge, 75-80mph on the M40, restricted to 60mph on the M42 (for a change....) and then around 70-75mph due to a reasonable amount of traffic on the M6. Much heavier traffic on the way home plus all the 50mph speed restrictions down the M6, then all too often slowing down to 55mph on the A14 for lorries slowly overtaking each other . I only used eco pro in the 50mph zone with the cruise on, but it makes a much bigger difference than it did in the 535d thanks to the coasting function. It's reasonably high geared too, 80mph is 1,700rpm. Not something I will see every day, but seriously impressive anyway....Efficient Dynamics really does work!   |
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Post by LandieMark on May 21, 2018 17:35:01 GMT
That’s impressive. Anything above 30 in a car with that engine size, I would consider good.
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Post by Martin on May 21, 2018 17:37:49 GMT
That’s impressive. Anything above 30 in a car with that engine size, I would consider good. I agree. All my man maths was done on 25mpg as an overall average, anything more than that is a bonus. |
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Economy 4
May 21, 2018 17:45:57 GMT
via mobile
Post by Roadrunner on May 21, 2018 17:45:57 GMT
I would struggle to get that out of my Benz. Truly impressive. Is this engine available in the 5 Series estate?
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Post by Martin on May 21, 2018 17:53:57 GMT
I would struggle to get that out of my Benz. Truly impressive. Is this engine available in the 5 Series estate? The current M550i has the same engine and can be had as an estate, but it's not available in the UK. The only other option is an Alpina B5. You could get the old model as a 550i estate for a couple of years (up to 2013 iirc), but they are very rare. |
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Post by johnc on May 21, 2018 17:54:46 GMT
That's fantastic mpg. Is it the same basic engine as the M6?
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Post by Martin on May 21, 2018 18:26:20 GMT
That's fantastic mpg. Is it the same basic engine as the M6? It is, yes. |
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Post by PG on May 22, 2018 8:52:17 GMT
Based on that economy, I think you actually bought a 735d and just told us it was a 750i.  That is seriously impressive economy. Based on that, why do people buy 735d's anyway! Much better a V8 anyday. |
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Post by Martin on May 22, 2018 8:57:22 GMT
Based on that economy, I think you actually bought a 735d and just told us it was a 750i. That is seriously impressive economy. Based on that, why do people buy 735d's anyway! Much better a V8 anyday. 740d..... They’ve all taken a step forward in the last few years, my dad has a new 630d GT (which is bigger than a 5) and he gets a fairly eady 50mpg on the motorway. His 2011 525d (6 cylinder, destined 530d engine) did about 10mpg less. Bit of balance today, 28mpg travelling down to MK station. Lots of traffic and the opportunity for a couple of roundabout GPs |
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Post by Bob Sacamano v2.0 on May 22, 2018 11:33:02 GMT
You've bought the 2 litre diesel haven't you? I knew there was a reason it was debadged.  |
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Post by Martin on May 22, 2018 11:40:18 GMT
You've bought the 2 litre diesel haven't you? I knew there was a reason it was debadged. Busted! |
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Post by Bob Sacamano v2.0 on May 22, 2018 12:21:49 GMT
You've bought the 2 litre diesel haven't you? I knew there was a reason it was debadged. Busted! Thought so - just been on eBay and there's a guy down Milton Keynes way selling a set of 718d badges.. |
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Economy 4
May 22, 2018 12:45:48 GMT
via mobile
Post by Martin on May 22, 2018 12:45:48 GMT
Busted! Thought so - just been on eBay and there's a guy down Milton Keynes way selling a set of 718d badges.. 718d....shudder the thought! There are two 4 cylinder engine options, 725d and 740e. Neither are of any interest to me at all, although I was pretty impressed with a ride in one of my guys new 330e, it does go well and would be my choice over a 320d. |
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Post by Alex on May 22, 2018 16:03:37 GMT
My 3cyl Golf doesn’t do a lot better than that, I am incredibly impressed.
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Post by Roadsterstu on May 25, 2018 6:53:10 GMT
That’s impressive. Anything above 30 in a car with that engine size, I would consider good. Amazing efficiency. I can't remember when I last saw 30 in the V60! |
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Post by alf on May 25, 2018 12:28:21 GMT
That looks incredible for a full trip!
As a mark of progress, it was exceptional to get 30+ for a trip in the GTA even under the best circumstances - with 3.2 litres and 250bhp in a light car. The XFR is about the same for double the power, this BMW result is incredible.
It's hard to get proper news about real life MPG from these sorts of cars - whenever you go near owners groups they are full of people quoting things like "mid teens and 8MPG if you go for it" and my increasing belief is that they all drive like total wankers all the time, on mostly short journeys.
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Post by johnc on May 26, 2018 9:09:02 GMT
my increasing belief is that they all drive like total wankers all the time, on mostly short journeys. I agree. Our local Kwik-Fit emporium manager has stopped doing his daily full throttle fly by in the C63 and is now doing it in a Giulia Quadrifoglio. I reckon the way he drives, double digit mpg would be an achievement. |
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Post by Martin on May 26, 2018 9:48:31 GMT
Did my first return trip to Swindon yesterday, 32mpg on the OBC. Driving in the same way / same speed in the 535d I would have got 38mpg.
Sounded brilliant going under the M1 at Northampton, need to find a tunnel!
In a week, I’ve increased the total mileage by 50%
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Post by ChrisM on May 26, 2018 13:36:09 GMT
^ shortage of tunnels in Swindon; try the A3 at Hindhead ;-)
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Post by Martin on Jun 7, 2018 7:00:59 GMT
It’s not a fluke....fairly early start to get to Warrington this morning. 75-80mph when clear, lots of 50mph limits and queuing around Knutsford.  Need fuel now, only 35 miles range, but it’s done 530 miles since the last fill up. I think 450 is achievable on a regular basis which I’m very happy with.  |
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Post by johnc on Jun 7, 2018 7:25:49 GMT
That is truly amazing economy for a car of that size and performance. I presume that cruise control and ECO+ are required to get that kind of economy.
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Post by ChrisM on Jun 7, 2018 7:35:36 GMT
Indeed - to put it into context, you're getting almost the same mpg as I get from a 2-litre manual 180bhp diesel Kuga AWD that's driven very gently.
I wonder if an engine swap is possible .......
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Post by Martin on Jun 7, 2018 9:35:28 GMT
That is truly amazing economy for a car of that size and performance. I presume that cruise control and ECO+ are required to get that kind of economy. Cruise control and eco through the 50mph bits as the coasting seems to make a difference at those speeds. But there were some full throttle moments as well and Adaptive mode was used when back to normal speeds. The toll booth GP was an easy win! i wonder what would be achievable if I really tried. |
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Post by ChrisM on Jun 7, 2018 12:34:41 GMT
i wonder what would be achievable if I really tried. No, no, no..... I wonder what would be achievable if I really tried hard ;-) |
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Post by Big Blue on Jun 7, 2018 13:31:41 GMT
i wonder what would be achievable if I really tried. No, no, no..... I wonder what would be achievable if I really tried hard ;-)  |
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Post by Alex on Jun 7, 2018 15:23:15 GMT
i wonder what would be achievable if I really tried. No, no, no..... I wonder what would be achievable if I really tried hard ;-) With such lovely paint you’d be too busy cleaning it! |
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Post by Tim on Jun 7, 2018 15:59:18 GMT
No, no, no..... I wonder what would be achievable if I really tried hard ;-) With such lovely paint you’d be too busy cleaning it!
It helps with fuel economy, especially if he polishes it regularly!
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Post by PG on Jun 7, 2018 21:14:32 GMT
It’s not a fluke....fairly early start to get to Warrington this morning. 75-80mph when clear, lots of 50mph limits and queuing around Knutsford. Now you're just showing off..... Regretting all those years you had a diesel yet? ;-)) |
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Post by ChrisM on Jun 8, 2018 7:46:40 GMT
Seems like this engine is no longer available in the 7-series. Had a quick look at the website and it's either diesel or petrol/electric hybrid.
Doesn't look like you can get a big V-8 petrol in the 5-series estate either; the world is a poorer place :-(
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Post by Martin on Jun 8, 2018 8:12:59 GMT
It could well be WLTP related and they’ll be available again later in the year.
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