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      08-12-2017, 03:22 PM   #1
c63er
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I don't have experience with either of these cars so I was hoping for some sage advice.

From a styling and practicality point of view I like both equally as well, but there are surely hundreds of other factors which I am not considering which many of you with more experience can share their opinions on?

Both cars would be around the same mileage of about 50k miles.

Reliability is a critical factor in the decision, but I don't automatically assume the newer f15 is any more or any less reliable.

Thanks for any opinions and all factors in the decision are welcome.

Both are out of warranty but would purchase aftermarket warranty.
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      08-12-2017, 03:28 PM   #2
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2015 50i hands down
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      08-12-2017, 03:30 PM   #3
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2015 50i hands down
Why?
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      08-12-2017, 03:32 PM   #4
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Is the F15 out of warranty? Either way the advance in tech and features in the F15 and the look alone. I'd rather get one still in warranty but that's me
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      08-12-2017, 03:35 PM   #5
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F15 interior 10 and E70 6 imho plus a 3 yr old car vs 6
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      08-12-2017, 03:36 PM   #6
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Quote:
Originally Posted by c63er View Post
I don't have experience with either of these cars so I was hoping for some sage advice.

From a styling and practicality point of view I like both equally as well, but there are surely hundreds of other factors which I am not considering which many of you with more experience can share their opinions on?

Both cars would be around the same mileage of about 50k miles.

Reliability is a critical factor in the decision, but I don't automatically assume the newer f15 is any more or any less reliable.

Thanks for any opinions and all factors in the decision are welcome.
I researched similar question for n63 vs n63tu and the answer is that yes, indeed n63tu is a basically new engine - they share very few common parts. n63tu was upgraded starting from oil pan and ending at engine cover - basically it was completely re-engineered. There's a list of extensive changes that were made to address all issues n63 had.
S63 is a bit different, but it was upgraded later in similar manner, added valvetronic and many many other things. It was overhauled basically.
So my vote is that 2015 50i is a safer bet from these two cars. It's also more safer structurally, has better safety specs if that's even important for you

Dynamics wise - tuned f15 50i will beat stock 12' x5m

Also, just drive them and you'll see that there's night and day difference in interior, comfort etc - there's a huge gap between those 2 cars

2015 will also have factory warranty remaining,especially if it's a CPO (then you'll get warranty till 2020) tho not much but still a factor to consider


Let me put it this way: 15' 50i will only need suspension upgrade (too soft stock suspension) to come on top in every imaginable way compared to 12' x5m
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      08-12-2017, 03:39 PM   #7
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Quote:
Originally Posted by DuSh View Post
Quote:
Originally Posted by c63er View Post
I don't have experience with either of these cars so I was hoping for some sage advice.

From a styling and practicality point of view I like both equally as well, but there are surely hundreds of other factors which I am not considering which many of you with more experience can share their opinions on?

Both cars would be around the same mileage of about 50k miles.

Reliability is a critical factor in the decision, but I don't automatically assume the newer f15 is any more or any less reliable.

Thanks for any opinions and all factors in the decision are welcome.
I researched similar question for n63 vs n63tu and the answer is that yes, indeed n63tu is a basically new engine - they share very few common parts. n63tu was upgraded starting from oil pan and ending at engine cover - basically it was completely re-engineered. There's a list of extensive changes that were made to address all issues n63 had.
S63 is a bit different, but it was upgraded later in similar manner, added valvetronic and many many other things. It was overhauled basically.
So my vote is that 2015 50i is a safer bet from these two cars. It's also more safer structurally, has better safety specs if that's even important for you

Dynamics wise - tuned f15 50i will beat stock 12' x5m

Also, just drive them and you'll see that there's night and day difference in interior, comfort etc - there's a huge gap between those 2 cars

2015 will also have factory warranty remaining, tho not much but still a factor to consider
No warranty if they're both over 50k but he said around which is why I asked about warranty
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      08-13-2017, 04:15 AM   #8
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I would get the newer X5 50i. It's no joke in the power department. I had a FBO 2013 335i and this thing would walk it. With a few simple modifications like a Dinantronics or some other tune it will come close to a stock X5M (especially e70). If you decide to do more than just a tune you'd probably make just as much power as a stock X5M.
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      08-14-2017, 02:49 PM   #9
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Quote:
Originally Posted by DuSh View Post
I researched similar question for n63 vs n63tu and the answer is that yes, indeed n63tu is a basically new engine - they share very few common parts. n63tu was upgraded starting from oil pan and ending at engine cover - basically it was completely re-engineered. There's a list of extensive changes that were made to address all issues n63 had.
S63 is a bit different, but it was upgraded later in similar manner, added valvetronic and many many other things. It was overhauled basically.
So my vote is that 2015 50i is a safer bet from these two cars. It's also more safer structurally, has better safety specs if that's even important for you

Dynamics wise - tuned f15 50i will beat stock 12' x5m

Also, just drive them and you'll see that there's night and day difference in interior, comfort etc - there's a huge gap between those 2 cars

2015 will also have factory warranty remaining,especially if it's a CPO (then you'll get warranty till 2020) tho not much but still a factor to consider


Let me put it this way: 15' 50i will only need suspension upgrade (too soft stock suspension) to come on top in every imaginable way compared to 12' x5m
Would it be feel "too soft" with the ZDH (Dynamic Handling Package) option? I take it the ZDH option does not change the spring rate?
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      08-14-2017, 04:16 PM   #10
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I thought about an E70 X5M when I got my F15 50i...since they were close in price. The main reason I went with the newer car is because of the better technology with Driver Assistance and Safety. Also, after reading here a lot I would not get the 50i/X5M engine without a warranty.

I prefer the exterior of the E70 but the interior is much better in the F15 to me.
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      08-14-2017, 04:28 PM   #11
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Quote:
Originally Posted by Polo08816 View Post
Would it be feel "too soft" with the ZDH (Dynamic Handling Package) option? I take it the ZDH option does not change the spring rate?
I would like to know that too - I never tried DHP, but those who did - say that it's the only way to go
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      08-16-2017, 03:34 PM   #12
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It does not change springs. Just active sway bars, M adaptive shocks, air rear, and torque splitting differentials
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      08-16-2017, 03:43 PM   #13
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The active sway bars are awesome. I can take on ramps at 70 with little to no worries
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      08-16-2017, 06:48 PM   #14
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Quote:
Originally Posted by Maverik259 View Post
The active sway bars are awesome. I can take on ramps at 70 with little to no worries
daaaaamn, now I regret not waiting for 50i with DHP to show up - but they are very rare
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      08-16-2017, 11:10 PM   #15
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Quote:
Originally Posted by Maverik259 View Post
The active sway bars are awesome. I can take on ramps at 70 with little to no worries
True story.
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      08-17-2017, 06:26 AM   #16
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Originally Posted by Maverik259 View Post
It does not change springs. Just active sway bars, M adaptive shocks, air rear, and torque splitting differentials
Any more details on the bolded part?
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      08-17-2017, 07:02 AM   #17
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Called torque vectoring. The vehicle applies more torque to the outside rear wheel when cornering.

"The torque-vectoring differential is why the massive BMW X5 M and X6 M are more ridiculously entertaining than they have any right to be."

http://www.caranddriver.com/features...e-test-feature
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      08-17-2017, 08:45 AM   #18
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Quote:
Originally Posted by IndyJer View Post
Called torque vectoring. The vehicle applies more torque to the outside rear wheel when cornering.

"The torque-vectoring differential is why the massive BMW X5 M and X6 M are more ridiculously entertaining than they have any right to be."

http://www.caranddriver.com/features...e-test-feature
Right, but that's not part of the ZDH package for an X5 50i. You need an X5 M to have that differential...
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      08-17-2017, 06:59 PM   #19
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Quote:
Originally Posted by Polo08816 View Post
Right, but that's not part of the ZDH package for an X5 50i. You need an X5 M to have that differential...
?? You asked for more info on the torque splitting diff, that's what I gave you. You can get this diff on any X5, it comes with the dynamic handling package.
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      08-17-2017, 07:22 PM   #20
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Quote:
Originally Posted by Maverik259 View Post
It does not change springs. Just active sway bars, M adaptive shocks, air rear, and torque splitting differentials
Quote:
Originally Posted by IndyJer View Post
Called torque vectoring. The vehicle applies more torque to the outside rear wheel when cornering.

"The torque-vectoring differential is why the massive BMW X5 M and X6 M are more ridiculously entertaining than they have any right to be."

http://www.caranddriver.com/features...e-test-feature
Quote:
Originally Posted by Polo08816 View Post
Right, but that's not part of the ZDH package for an X5 50i. You need an X5 M to have that differential...
Quote:
Originally Posted by IndyJer View Post
?? You asked for more info on the torque splitting diff, that's what I gave you. You can get this diff on any X5, it comes with the dynamic handling package.
I'm questioning whether it's a "torque splitting differential", or whether we're confusing that phrase with a "limited slip real differential".

https://www.bmwusa.com/vehicles/xmodels/x5.html

Quote:
Dynamic Performance Control: The available Dynamic Performance Control smoothly distributes power between the rear wheels for optimal agility and sporty handling. For instance, when cornering, the outside wheel receives more torque, allowing you to drive “into” curves.
I'm interpreting this to mean that the X5 (non-M) has an open rear differential and is using the rear brakes to "torque vector". Therefore, the differential itself is not determining the torque split between each rear wheel, but rather the brakes (via DSC) is doing so.

That system is vastly inferior to a limited slip rear differentials found as an M Performance LSD or the M differentials found on actual M vehicles. In fact, it's so inferior that it's really not even worth mentioning.
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      08-17-2017, 08:09 PM   #21
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F15 only
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      08-17-2017, 09:31 PM   #22
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I had a 2012 x6m and now have a 2014 50i. The 50i is much nicer to drive it's more comfortable, way better fuel mileage(if that matters). The x6M felt a lot more aggressive though I had it tuned with Velos and the 50i with juice box.

I can't say which is faster but I far prefer the x5 50i, just wish it was louder
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