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X5 F15 (2014 - 2017)
The all new F15 BMW X5 started production August 2013 as a 2014 model year. The new X5 arrives in sDrive35i (RWD), xDrive35i, xDrive50i and a diesel xDrive 35d.

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Old 10-03-2019, 12:02 PM
noodle654 noodle654 is offline
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Mein Auto: 2012 X5 35D
Upgrading from E70 35d - Longevity Questions

I have had 2 E70 35Ds, a 2010 and 2012, both of which have been phenomenal cars. I traded in the 2010 years ago, but my 2012 has been my primary driver since it was bought new. It has 155k miles and besides some minor repairs that are common on the M57, it runs flawlessly.

Now I have been considering buying either a CPO F15 (year TBD) or a used F15 35d to replace the 2012. Prices on these are pretty damn low depending on where you look, especially the 2015s. Can anyone who has had the M57 who moved to the N57 comment on longevity? I am not all that familiar with this motor. I had only one emissions snafu (cracked EGR neck near the throttle body, before the support arm was added), but it was covered under warranty. Are the emissions systems more resilient? These cars are somewhat hit or miss with emissions systems...I see horror stories and then there are people like me with no issues.

Definitely not afraid of repairs or doing work myself, but would really appreciate some insight before I start seriously shopping.
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Old 02-16-2020, 07:47 AM
Kostyan Kostyan is offline
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Location: Owings Mills, MD
Join Date: Aug 2014
Posts: 385
Mein Auto: 12 X5 diesel, 04 330 CIC
bump..also interested to hear from folks that have put some miles on their F15 diesels. Do you all also have to replace engine thermostats around 60k and having same kind of reliability issues with emissions components?
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Old 02-17-2020, 08:02 AM
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ghpup ghpup is offline
Location: Idaho
Join Date: Nov 2008
Posts: 555
Mein Auto: 18 X5d , 14 535xd, 00 MZ3
To both posters, while I have not owned the M57, I do have two N57s. One is in an f10 535xd with now 50k on the clock. The engine and vehicle has been great minus the HPFP failure a couple of years ago. The HPFP is on extended warranty direct from BMW for the N57 whether in the f10 or f15 ds.

The f15 just covered 13k on the clock in 14 months of ownership.

What I have noticed is that both vehicles seem to have increasing mpg efficiencies as they continue to be broken in. For example, the f15 had a 370 mile leg last week which delivered 33mpg. There were some significant downhills and overall moving from about 5k in elevation down to 2k over that distance. There may have been a tail wind too. That said, we get 29mpg on the f10 and 26mpg on the f15 in mixed city driving.

Of course neither has enough on the clock to see any potential longer term emissions issues which the M57 has been known for. I can say that the '18 f15 did not have an EGR recall the f10 and most prior model year f15s had. Of course, like most, it took nearly a year for our dealership to contact us for the f10 EGR recall inspection. Ours was fine and no action was needed. If you are looking at either, make sure the EGR recall has been completed.
'00 MRoadster,
'00 528 now in other hands,
'07X3si now in other hands,
'14 535d XDrive,
'18 X5 35d In break-in...
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Old 02-18-2020, 08:10 PM
n1das n1das is offline
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Location: Nashua, NH, USA
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Mein Auto: 14 535d Xdrive, 12 X5 35d
I have a 2014 535dx with the N57 engine. The car has been very reliable overall. Regarding your longevity questions, I'm only at 137k miles and it's still too early to tell.

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David Sterrett, N1DAS
2014 F10 535d Xdrive M-Sport
2012 E70 X5 35d

Why DIESEL is better: (from wxmanCCM)
PM - https://sites.google.com/view/lmarzccm/home
Air Toxics - https://sites.google.com/view/loren-marz-ccm/home
Ozone Precursors - https://sites.google.com/view/lorenmarz-ccm/home
General - https://sites.google.com/view/emissions-general/home
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