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      01-28-2011, 01:09 AM   #1
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2010 x5m vs 2011 x50i?

Since its essentially the same motor why the M over the x50i? I know it's the whole package with suspension and handling goodies that make the M superior but what else? The x50 probably gets better mpg due to the 8 spd vs 6 spd?

Has anyone drove these back to back that can provide quick feedback on these?

Pros and cons of each?
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      01-28-2011, 08:45 AM   #2
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Their essentially the same motor in that they both have 8 cylinders totaling 268 cubes, but there's a difference of 150 ponies. I my opinion, that's asking too much out of that few cubes. I don't know the torque numbers, but if there not in the 550 range across the same broad band.....that's too much blow & not enough go!

The bottom line... The M on any trunk lid says..."I wanted bragging rights" and theirs nothing wrong with that!

Just my opinion!
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      01-28-2011, 10:33 AM   #3
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You can not go wrong with either one. I don't think it is just a matter of increasing the boost. The M has twin turbos and twin scroll with a few more internal changes to go with the increased boost. I don't know all the technical data but I am sure it is available here.

I have test driven the 3.5 and 5.0 and the V8 is very impressive. Th midrange pulls really hard compared to I-6 TT. I am trying to arrange X5M test drive.

However, If I were buying new, I'd get the X5 3.5i M-sport package and get a tune when available. If I really wanted a V8, i'd probably skip a brand new X5 5.0i and get a pre-owned X5M.
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      01-28-2011, 10:46 AM   #4
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Easy solution, get the 2011 X5 50i and take it to DINAN and have them up your boost, i'm now at 500HP...50HP less than the "M", but 100HP above stock thanks to booost....cheapest and best bang for your buck upgrade out there
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      01-28-2011, 10:51 AM   #5
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As I was looking to buy, the dealer had a 2010 x5M with 5k miles for $80k. It was very tempting, but I went with the x5 50i in the config that I wanted.

Hard to make that call, for me it was extra insurance, extra couple $k dollars from my config to the M. Of course the M is phenomenal to drive, but so is the 50i. Additional I get one more year of covered maintenance without having to pay for extra coverage.

That’s just my reasoning and I love my x5 50i. With sport package or M package (which includes increased top speed) you also get to a respectable 155mph very quickly
So you could still take it up with various other luxury SUV's

Last edited by Iron_Chef; 01-28-2011 at 11:53 AM.. Reason: spelling
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      01-28-2011, 10:58 AM   #6
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Not just the engine. But the handling, fast gear shifting, and massive braking make it belongs to the M class
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      01-28-2011, 11:30 AM   #7
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Quote:
Originally Posted by 263464757 View Post
Their essentially the same motor in that they both have 8 cylinders totaling 268 cubes, but there's a difference of 150 ponies. I my opinion, that's asking too much out of that few cubes. I don't know the torque numbers, but if there not in the 550 range across the same broad band.....that's too much blow & not enough go!

The bottom line... The M on any trunk lid says..."I wanted bragging rights" and theirs nothing wrong with that!

Just my opinion!
IMO, 555hp out of 268 cubes is not pushing this engine. Any 'built' engine can easily handle the boost these engines are seeing.

Now what does it say if I shave the M badge off my X5? I have seen a lot of M's around here with the badges shaved off. I think most M owners like myself want the performance the M offers without the attention that comes with the M badge if you catch my drift. Using your logic, driving around in a M 'for bragging rights' is about the same as driving around in a yellow '65 Corvette.
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      01-28-2011, 04:06 PM   #8
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X5M can also receive about 50 awhp from ESS tuning with a price of $1995.


Quote:
Originally Posted by kenneth 1984 View Post
Easy solution, get the 2011 X5 50i and take it to DINAN and have them up your boost, i'm now at 500HP...50HP less than the "M", but 100HP above stock thanks to booost....cheapest and best bang for your buck upgrade out there
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      01-28-2011, 04:23 PM   #9
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i haven't test drive the X5M but we just did the PCD for 50i 2011 (dec build)
my god, what a masterpiece! it pulls like crazy.. i love how adaptive drive works.
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      01-28-2011, 05:20 PM   #10
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I own the X5 50i and have driven the X6M at the BMW PC. I assume its similar to the X5M in performance/handling. But that was months before I even test drove the 50i.

The 50i is more than enough power and torque across the whole RPM range. I seldom floor it since a quick punch in 2nd or 3rd exceeds most speed limits in a big hurry. The engine is very docile and the 8 speed auto is very smooth. The ride with the 19" RFTs is very smooth (especially compared to my Z4 35i, also with 19 RFTs), yet the handling is quite impressive. I do have M Sport, active suspension, and active steering.

The X6M on track would blow your mind, how well it can keep up with the best sport sedans and sports cars 1500 lbs lighter. It can actually be tossed around (with lots of respect given to its size and weight). It is brutally quick in 2nd and 3rd gears, and has a much more vocal sound track than the 50i but is quiet when poking (but not as smooth sounding as the 50i). The torque is just as broad as the 50i but more forceful in upper RPMS. The 6 speed auto in the X6M had a brutal 3-2 downshift in sport mode but that may have been an exception and not the norm. It's handling had phenomenal grip and little lean but actually felt heavier than the 50i does when pushed thru an S curve.

In summary, both are great choices, where the 50i has more than enough performance and handling than most need and the X5M would be for those that want more than that or just the ultimate "top dog" but it comes with a harder "edge" to it.
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      01-28-2011, 05:54 PM   #11
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Quote:
Originally Posted by Northern X5M View Post
IMO, 555hp out of 268 cubes is not pushing this engine. Any 'built' engine can easily handle the boost these engines are seeing.

Now what does it say if I shave the M badge off my X5? I have seen a lot of M's around here with the badges shaved off. I think most M owners like myself want the performance the M offers without the attention that comes with the M badge if you catch my drift. Using your logic, driving around in a M 'for bragging rights' is about the same as driving around in a yellow '65 Corvette.
Sorry, but man did you ever miss my point, so let me splain...

M Badge ON...that's bragging rights without all the hoopla...and that's !

M Badge Off... That's a different kind of bragging right's, where ya add the hoopla when ya feel like it...Like say my 65 where I crammed a stroked small block under the hood and then purposely kept the small block hood... Dat's called ...Da-Sleeper...so the other guy say's "What Da-F#@$ just happened"! and that's too!

Maybe ya want it De-Baged so nobody knows you own a $100K car...I'm with ya man, I don't like that shit either.

Or maybe ya just like it De-Baged...that's too!

Duuude....chill...I'm not lookin for a fight... and were not so different... you just thought you read something that ya didn't... it's !

As far as the ponies... it worries me... All the maint. on my e39 gets done at a shop where (for 25 years)all they have ever worked on is BMW. Over the last couple of years I've seen a lot of engine work being done that never happened before. The stuff isn't lasting like it used too. Maybe it's the geometry changes, maybe it's the boost, I don't really know, but the shit isn't lasting and 550hp out of 268 cubes works fine, but not for a long time.

An old saying is "there's no substitute for cubic inches", I think it's true today more than ever. If ya don't make the hp with cubes than ya have to do it with pressure, and pressure adds stress...that's all im saying!

As far as the yellow goes... Ahh hello... it's a safety issue...LOL!

WE COOL?
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      01-28-2011, 06:49 PM   #12
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Go drive both of them. You will see for yourself. There is a BIG difference.
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      01-28-2011, 09:29 PM   #13
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We drove both for an extensive test back to back, as we were upgrading from the current X5 4.8. It was the LCI xDrive50 and the pre LCI X5M.

The xdrive50 was a significant step up in power, handling, driveability and comfort. We were very impressed at how it handled and the power was there on tap.

I am not sure if it was our or the salesmans expectations of how amazing the X5M was supposed to be, but when we got out on the road it felt VERY heavy to drive and you had to work it to get the performance. Although the acceleration was obviously faster, it felt like you had to work harder to get it to get going.

It also felt VERY heavy in low speed turns through the steering wheel. High speed sweepers weren't handled measurably better than the xDrive50 (seat of pants 'ometer).

In the end, we felt that the M model didn't exceed or meet our expectations anywhere near as much as the all round performance of the xDrive50 did so that is what we bought.

I put it down to the setup on the X5M being based on the pre LCI X5 as the reason it felt so heavy to drive (one of the reasons we are getting out of the 4.8).

I'm awaiting a test drive of an LCI X5M as I intend to trade my E60 540 M Sport for an X6M once the update arrives.
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      01-28-2011, 11:07 PM   #14
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We've got a 2011 X5 M. When I test drove the X5 50i I had a lot of fun. But when I thought about it I realized that for another $16k I could get one with 155 more ponies, 500 ft-lb torque and all the visuals of an M. So I'm glad I made that decision; but if you want cheaper insurance and better mpg by about 3 or 4 mpgs, get the 50i. But nothing beats an M. It's just so fast, fun and enjoyable. Great DD.
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      01-29-2011, 02:50 AM   #15
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What the guy above me said is on point
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      01-30-2011, 10:37 AM   #16
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Quote:
Originally Posted by AngelinIsRich08 View Post
But when I thought about it I realized that for another $16k I could get one with 155 more ponies, 500 ft-lb torque and all the visuals of an M.
Too true, but down here we pay an extra $40K to top out around $185k on the road.... and I couldn't see the value at that dollar......

Cheers

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      02-01-2011, 05:12 PM   #17
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X5M vs 5.0

I tested both before buying and WOW there is a difference...although I'm a power nut so I couldn't bear the fact that there would be a quicker beast if I bought the 5.0...

On another note has anyone experienced the Dinan chips or any other for the x5m? I would luv to boost it!
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      02-05-2011, 01:15 PM   #18
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I'm with u pamooch. For not a whole lot more money I am glad I decided to go with the M. I drove a 4.4 for 5 years and regretted regularly not having gotten the 4.8 is. Plus all that extra leather inside sure is nice too. Although that may b an option on the 50. In any event I think the M is the way to go if price is not an issue.....
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      02-25-2011, 01:38 AM   #19
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I have been researching ecu flashes and it seems with a good flash the 50i and get up to 500 ponies pretty fast. Not so sure the M is worth the extra $$$ considering this. Dinan and Singh both offer good products. Singh is really cheap- $1,295! Compared to the Dinan $3k. Gotta love these tunes! Ordering my 2012 50i as soon as my dealer gets pricing.
p.s. I love beating Ms in my juiced up 335... the look on the M5 and M6 driver's faces when I pull on them is always priceless. At least 1 a week
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      02-25-2011, 09:00 AM   #20
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Pipe dreaming a bit here, but think I can flirt with 525 hp and 600 ft.lbs. if Dinan cooperates in producing a cold air box and throttle body for this 5.0i E70. Got the down- load (495hp/573fp) exhaust (7hp/6fp) ... maybe (if they develop/offer) 8hp/8fp with a T-body ... maybe 15hp/12fp with the air-box. Am I there yet? Told Dinan they may want to consider developing a 20 gal auxiliary fuel tank for the X5-Sports (minded).
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      02-25-2011, 12:20 PM   #21
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Quote:
Originally Posted by Northern X5M View Post
IMO, 555hp out of 268 cubes is not pushing this engine. Any 'built' engine can easily handle the boost these engines are seeing.

Now what does it say if I shave the M badge off my X5? I have seen a lot of M's around here with the badges shaved off. I think most M owners like myself want the performance the M offers without the attention that comes with the M badge if you catch my drift. Using your logic, driving around in a M 'for bragging rights' is about the same as driving around in a yellow '65 Corvette.
I have never really seen an M without the M badge...that would be an interesting finding here in my neck of the woods...must be a Canadian thing
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      02-25-2011, 05:32 PM   #22
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Quote:
Originally Posted by kenneth 1984 View Post
Easy solution, get the 2011 X5 50i and take it to DINAN and have them up your boost, i'm now at 500HP...50HP less than the "M", but 100HP above stock thanks to booost....cheapest and best bang for your buck upgrade out there
How does this impact mileage?
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