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      08-03-2012, 10:17 PM   #23
NRG
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The huge torque in X5D is not that noticeable because of the weigh and slow shifting tranny, where the car lacks big time is in hp department and faster transmission/diff ratio. The 3 series diesel however is totally different animal you can really feel all that torque.

After I remaped my X, I can really appreciate the added HP not so much the TQ.
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      08-04-2012, 08:21 AM   #24
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The huge torque in X5D is not that noticeable because of the weigh and slow shifting tranny, where the car lacks big time is in hp department and faster transmission/diff ratio. The 3 series diesel however is totally different animal you can really feel all that torque.

After I remaped my X, I can really appreciate the added HP not so much the TQ.
Which tuning did you used? I found a company called Chip Express, any good?
http://www.chipexpress.com/products/218/
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      08-04-2012, 08:31 AM   #25
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Here check my recent thread review on Mega-Speed remap and a comparison to a piggyback (JBD) http://www.e90post.com/forums/showthread.php?t=724706

Chiptuninng Express is another variation of simple rail pressure trick controller as JBD that I had only more expensive for no reason. Both alters single rail pressure sensor and nothing else.
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      08-04-2012, 08:52 AM   #26
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Quote:
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Here check my recent thread review on Mega-Speed remap and a comparison to a piggyback (JBD) http://www.e90post.com/forums/showthread.php?t=724706

Chiptuninng Express is another variation of simple rail pressure trick controller as JBD that I had only more expensive for no reason. Both alters single rail pressure sensor and nothing else.
Great review. Thanks for the information.
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      08-04-2012, 09:01 AM   #27
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If you're in US then you have RennTech in Florida or Evolve in Chicago area. Both are world known tuners that offer excellent remaps for gas or diesel.
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      08-06-2012, 07:26 AM   #28
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I was in your shoes a year ago. The reasons I went with gas instead of the D is 1. I couldn't get the Msport on the D. 2. Even though the D has a lot of torque, the gas is still faster according to BMW 3. Prem gas is about .50 cheaper than diesel where I live. I believe the new D's have an 8 SPD tranny now. As far as mpg I get 23 driving 85-90 mpg and about 25-26 driving 70-75.
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      08-06-2012, 10:29 AM   #29
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I was in your shoes a year ago. The reasons I went with gas instead of the D is 1. I couldn't get the Msport on the D. 2. Even though the D has a lot of torque, the gas is still faster according to BMW 3. Prem gas is about .50 cheaper than diesel where I live. I believe the new D's have an 8 SPD tranny now. As far as mpg I get 23 driving 85-90 mpg and about 25-26 driving 70-75.
Thanks for the feedback. I'm now sticking with my X5 35i sport, but my brother is now in the market for an X5.

Do you get worst mpg in the winter?
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      08-06-2012, 05:26 PM   #30
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As far as mpg I get 23 driving 85-90 mpg and about 25-26 driving 70-75.
We had a guy claim 29mpg on 35i. That turned out to be during very very favorable conditions. And, most importantly, it was a over a short distance. Not a true average.

How many miles do you get on a tank at 70mph?
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      08-06-2012, 05:31 PM   #31
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Winter time the D gets hungry due to very cold temps and snow/decreased traction. 60% of the time the Xdrive has to work decreasing the MPG dramatically in our canadian winter. I usually get around 17 combined during those months.
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      08-07-2012, 08:07 AM   #32
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One thing to note. The 35d requires more frequent services, and this once out of warranty the operating cost go up. Service is about every 5-11k depending on driving pattern . Had mine serviced at 49,790 under warranty then Required a service at 55,000 "oil service". Now showing 11,000 until next. Plus the urea additive. Never had more than a 10k mile service interval . 80% highway, 24.5 mpg since new.
I will buy another diesel .. With the 8speed and new 3.0l diesel fuel economy will be much better.. But that is 2 years off.
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      08-07-2012, 01:12 PM   #33
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Winter time the D gets hungry due to very cold temps and snow/decreased traction. 60% of the time the Xdrive has to work decreasing the MPG dramatically in our canadian winter. I usually get around 17 combined during those months.
I think the MPG go down because of the additives in winter diesel. There's simply less actual fuel in the tank.
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      08-07-2012, 03:08 PM   #34
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serge

I use Shell V Power diesel formulated for canadian weather, winter and summer already with same additives for all year round. My MPG is 21-22 except for winter 17-18 on the same fuel. Lots of snow here and -25 to -35C.
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      08-07-2012, 05:11 PM   #35
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I think the MPG go down because of the additives in winter diesel. There's simply less actual fuel in the tank.
That's a very good point, as it does require additives in the winter to keep it from freezing. Not sure if the gas station actually alternates formulas or not.
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      08-07-2012, 05:12 PM   #36
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serge

I use Shell V Power diesel formulated for canadian weather, winter and summer already with same additives for all year round. My MPG is 21-22 except for winter 17-18 on the same fuel. Lots of snow here and -25 to -35C.
Wow. That's crap, my X5 35i SAV gets around 21.5 all year round.
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      08-07-2012, 10:53 PM   #37
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You're in Kansas-Missouri area your winter temps and precipitation are not even close to our easter canadian winter
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      08-08-2012, 12:28 PM   #38
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You're in Kansas-Missouri area your winter temps and precipitation are not even close to our easter canadian winter
Gotcha. The summer is bad for us this year, being in the 100s since mid-June. Turbo cars do not like hot air much, which is causing my average mpg to dip.
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      08-08-2012, 04:41 PM   #39
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I'd like to see how's my new remap gonna behave this winter mpg wise vs JBD in previous winter.
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      08-09-2012, 12:56 AM   #40
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Wow. That's crap, my X5 35i SAV gets around 21.5 all year round.
i get city of 22 and hwy of 26-28 in my 35d
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      08-09-2012, 09:29 AM   #41
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I have had 3 gas x5's and this is my first diesel. I was averaging around 16-16 mpg with my 4.8 gas
Now I get anywhere from 18-28 mpg dep. I love my diesel and it is lowered on 22" staggered wheels.
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      08-09-2012, 01:33 PM   #42
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For the last 3 tanks I'm getting 23-24 combined driving. Average speed 35-40MPH in my city and around. Getting 510+ ml out of the tank with my new remap vs 21-22 in stock or JBD.
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      08-09-2012, 01:50 PM   #43
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For the last 3 tanks I'm getting 23-24 combined driving. Average speed 35-40MPH in my city and around. Getting 510+ ml out of the tank with my new remap vs 21-22 in stock or JBD.
510 miles in city?
I get ~465 miles in pure city driving (25-45mph).
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      08-09-2012, 03:03 PM   #44
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Quote:
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Quote:
Originally Posted by skalberti View Post
As far as mpg I get 23 driving 85-90 mpg and about 25-26 driving 70-75.
We had a guy claim 29mpg on 35i. That turned out to be during very very favorable conditions. And, most importantly, it was a over a short distance. Not a true average.

How many miles do you get on a tank at 70mph?
29 mph on a 35i? Pssshht must have been driving down hill with a 50 mph wind behind him! I drove from little rock to dallas which is a little hilly in Arkansas and mostly flat in texas. I drove about 85mph the whole way to Dallas with cruise on. I filled up and reset mpg computer and it read 23.4 when I was pulling into Dallas. Did the same on the way back and computer said 25.7. I still only have about 4K miles on it so I'm wondering if it'll get better after more miles on it?
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