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      11-22-2017, 05:40 PM   #1
twssas
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E70 35d vs f15 35d

Looking to buy a new 2018 X5, and I am leaning towards the 35i, however, for the last 7 years I have really enjoyed my 35d.

So, was wondering.....

Should I reconsider the 35d? Love the torque, and the power. Don’t love the diesel hassle. Different size nozzles at the pump, and the potential of the emissions issues, among other things. But that torque! And , I have had minimal problems with my e70 35d.

E70 has twin turbo, f15 has single turbo, so, is there a lag with the f15?

Would appreciate any comments, especially those who have experiences with both the e70 and f15 diesels

Thanks

Last edited by twssas; 11-22-2017 at 05:51 PM..
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      11-22-2017, 07:40 PM   #2
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You need to try the F15 35d. Light years of difference with the 8 speed vs 6 speed. Drivability is unbelievable. As for the pump nozzles - can't help you there except to say I don't fill up that often!
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      11-23-2017, 09:48 AM   #3
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Pump nozzles a problem? Maybe it is different in CA, but our diesel pumps are VERY clearly marked DIESEL, lol, and while the pumps are green, instead of black, and the nozzles are thinner than gasoline nozzles...they just slide right in and even have that little metal lever that auto fills for you.

Also, with my diesel X5s....you really do not even need to use the pump very often. I fill up 2x month MAX. I drive 900-1100 mile a month!

I am on my 2nd diesel X5 and have had 2 MBZ diesels...and pump nozzles have never been an issue in the slightest. In fact, I have never even thought about diesel nozzles being any different, in terms of use, compared to gasoline!!

LOVE, LOVE my 35d!! My E70 was a 2011. E70 had no mechanical issues, but lots of electrical gremlins and the interior suffered from a lot of creaks, rattles, cracks and groans. F15 interior is as good as my last four 7 Series. Perfect!!
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      11-23-2017, 10:09 AM   #4
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I'm in the F15 D camp as well. Great car for all roads and seasons. Torque where and when you need it. Mileage is incredible. Can't compare to the E70 but on my second F15 Diesel.
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      11-23-2017, 10:18 AM   #5
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In the southeast anyway, I have found some stations, that the diesel fuel nozzle is too small of a diameter to properly "hit" the safety mechanisms, and I do not want to mess with the adapter BMW gave me with the vehicle.

My driving is 80-85% city driving. Short 5-10 mile stop and go. Haven't seen any significant issues by doing that with my 2011 35d, but also only have 55K miles. I tend to hold on to a vehicle for 6-8 years, and my concern with the diesel, has always been all the emission componets. To this point I have been lucky, but reading the boards, some have not.

Do you experience any turbo lag with your F15 diesel? I had read that some folks did complain about that, but since my local dealer does not have a F15 35d on the lot, I have not driven one.

The other issue that I need to work through with this decision, is which vehicle can I get the best deal on, 35i or 35d. With the 35d, I am guessing that finding that monthly allotment, on diesels being less plentiful, could impact the deal on it. Thats yet to be determined.

Wanting to order probably this week to take advantage of some of the Holiday Specials.

Thanks
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      11-23-2017, 05:21 PM   #6
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Diesels need to be driven hard and for long distances. Short trips aren't good for any engine. For this type of buyer I would stick with a gasoline engine and hope for the best.
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      11-24-2017, 03:01 AM   #7
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Your best sticking with the 35i or even better 40e for short driving, to protect the diesel emissions systems you'll need to drive it up to operating temperature and at least 5-10 miles on highway 2-3x per week. Short stops, long idles (excluding cool down idle), low oil and operating temperatures will kill the diesels DPF, and the you wont benefit the MPG's driving short it will be equivalent to the 35i.
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      11-26-2017, 12:39 PM   #8
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The new single turbo motor with 8 speed transmission is much better than the previous motor/transmission.
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      11-27-2017, 07:06 AM   #9
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Quote:
Originally Posted by Mr.47 View Post
and the you wont benefit the MPG's driving short it will be equivalent to the 35i.
Not sure this is accurate. Our past e91 328 wagon would get 17 mpg in very short driving cycles (< 5 miles), the 35d is getting 21-23 mpg on the same routes. Also have run an e70 35d and another brand diesel on short runs for years and have not had any issues I would associate with running the cars short trips. Actually, scrap that, never had any engine issues with any of our diesels.
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      11-27-2017, 04:37 PM   #10
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Quote:
Originally Posted by Yaw View Post
Not sure this is accurate. Our past e91 328 wagon would get 17 mpg in very short driving cycles (< 5 miles), the 35d is getting 21-23 mpg on the same routes. Also have run an e70 35d and another brand diesel on short runs for years and have not had any issues I would associate with running the cars short trips. Actually, scrap that, never had any engine issues with any of our diesels.
You can get around 18-21 on the 35i's. The E91 with the N52 engine and 6hpxx trans is no way close to efficiency of the N55 with 8hpxx trans, my last F02 BMW 740Li with N55 and ZF8 speed trans i was able to average 21 mpg consistently with 60% City 40% Highway and that car weights as much as an F15 x5.
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      11-27-2017, 06:28 PM   #11
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Quote:
Originally Posted by Yaw View Post
Not sure this is accurate. Our past e91 328 wagon would get 17 mpg in very short driving cycles (< 5 miles), the 35d is getting 21-23 mpg on the same routes. Also have run an e70 35d and another brand diesel on short runs for years and have not had any issues I would associate with running the cars short trips. Actually, scrap that, never had any engine issues with any of our diesels.
I'm with you. My X3 gave me 16MPG city, which I can assume is similar to the 35i. My 35D is giving me 20MPG city.
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