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      02-20-2016, 10:38 PM   #749
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Quote:
Originally Posted by dgp View Post
You do know 991 series uses 30 profile 20" tires as well, right?
Actually it uses 35 profile tires, just like our 19" option. The overall diameter of their wheel-tire combo is larger than our cars. Go check the website specs on the GT3, it's a 35 profile tire.
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      02-20-2016, 10:41 PM   #750
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[QUOTE=dgp;19429762]
Quote:
Originally Posted by mephiska
You do know 991 series uses 30 profile 20" tires as well, right?
Also Corvette Stingray and numerous other performance cars in addition to 991...
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      02-20-2016, 10:45 PM   #751
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Originally Posted by mephiska View Post
I'm really curious how many avid track goers want to use 30 series sidewall tires for regular track use.
I'm sure all the guys who bought 991-chassis GT3's swapped out their stock rear 20" 30 series sidewalls for higher sidewalls before they went to the track...
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      02-20-2016, 10:46 PM   #752
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Quote:
Originally Posted by Powerslide View Post

Also Corvette Stingray and numerous other performance cars in addition to 991...
Nope. Again, larger overall diameter wheel+tire combo. The base Stingray has an 18" 40 profile tire in front, 19" 35 profile tire in rear. The Z51 package puts 19/20 with a 30 profile tire in the rear, but they have wider tires in the rear to help make up for it. But again, the Z51 has a 35 profile tire up front.
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      02-20-2016, 10:47 PM   #753
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Quote:
Originally Posted by mephiska View Post
Actually it uses 35 profile tires, just like our 19" option. The overall diameter of their wheel-tire combo is larger than our cars. Go check the website specs on the GT3, it's a 35 profile tire.
35 profile for the front wheels, 30 profile for rear (per Porsche website).
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      02-20-2016, 10:47 PM   #754
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Quote:
Originally Posted by Powerslide View Post
I'm sure all the guys who bought 991-chassis GT3's swapped out their stock rear 20" 30 series sidewalls for higher sidewalls before they went to the track...
The GT3 has 20" wheels with 35 series tires. Again, larger diameter wheel+tires. Go check their website, I did.
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      02-20-2016, 10:50 PM   #755
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Quote:
Originally Posted by mephiska View Post
Nope. Again, larger overall diameter wheel+tire combo. The base Stingray has an 18" 40 profile tire in front, 19" 35 profile tire in rear. The Z51 package puts 19/20 with a 30 profile tire in the rear, but they have wider tires in the rear to help make up for it. But again, the Z51 has a 35 profile tire up front.
Right - and the competition pack is also wider in the front (265 vs. 255) and rear (285 vs. 275)..."to help make up for it."
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      02-20-2016, 11:27 PM   #756
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Quote:
Originally Posted by mephiska View Post
Nope. Again, larger overall diameter wheel+tire combo. The base Stingray has an 18" 40 profile tire in front, 19" 35 profile tire in rear. The Z51 package puts 19/20 with a 30 profile tire in the rear, but they have wider tires in the rear to help make up for it. But again, the Z51 has a 35 profile tire up front.
Actually the Stingray with Z51 package has the exact same rear tire that BMW competition pack has in the rear 285/30ZR20. In the front meanwhile it has the 245/35ZR19. So neither tire is wider than the BMW ones.

However the Z06 has the following tires which are wider, the front is basically the same as the M3 ZCP rear but in 19(sidewall is still the same) the rear is wider but is 25 profile tire.
285/30ZR19 front 335/25ZR20 rear

If BMW thought that they would compromise track handling with the 666M, do you really think they would still go ahead and chose those wheels/tires, because that makes ZERO sense. I thought the whole point behind the competition package was to IMPROVE handling and small increase in power.
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      02-20-2016, 11:38 PM   #757
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Saw the new rims in person finally, wanted to keep an open mind instead of relying on pics. IMO they were horrible.

Those arguing the benefits of a 19" package for the track (and quite frankly everyday driveability unless your every day drive is the Autobahn) are absolutely bang on. I'm curious to see the weights on them as well. I'll assume a pound or two increase per wheel/tire combination. If that's the case, I'll be scratching my head as to the thought process behind an "increase" in rotational mass. Maybe this is what the extra hp in the package is for lol. And the limited availability of 20" tires as others have mentioned, and the cost of 20" tires...the list goes on as to "WTF was BMW thinking here?"

However...beauty is in the eye of the beholder.
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      02-21-2016, 12:16 AM   #758
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Quote:
Originally Posted by mephiska
Quote:
Originally Posted by Powerslide View Post
I'm sure all the guys who bought 991-chassis GT3's swapped out their stock rear 20" 30 series sidewalls for higher sidewalls before they went to the track...
The GT3 has 20" wheels with 35 series tires. Again, larger diameter wheel+tires. Go check their website, I did.
Are you only looking at the front tires? 991 S, turbo, GT3 and GT3 RS all use 30 profile rear tires. In the case of RS it's 21 inch rears 30 profile.
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      02-21-2016, 01:18 AM   #759
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Quote:
Originally Posted by Mark's M View Post
Saw the new rims in person finally, wanted to keep an open mind instead of relying on pics. IMO they were horrible.

Those arguing the benefits of a 19" package for the track (and quite frankly everyday driveability unless your every day drive is the Autobahn) are absolutely bang on. I'm curious to see the weights on them as well. I'll assume a pound or two increase per wheel/tire combination. If that's the case, I'll be scratching my head as to the thought process behind an "increase" in rotational mass. Maybe this is what the extra hp in the package is for lol. And the limited availability of 20" tires as others have mentioned, and the cost of 20" tires...the list goes on as to "WTF was BMW thinking here?"

However...beauty is in the eye of the beholder.
I guess you really hate the GTS too...
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      02-21-2016, 07:08 AM   #760
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Quote:
Originally Posted by Powerslide View Post
From the BMW Press Release on the F8x ZCP:

Power output: 444 HP [No power bump on E9 ZCP]
0-60 DCT: 3.8 seconds (sedan/coupe), 4.1 seconds (convertible)
Tuned Adaptive M Suspension [Rear Air Suspension on F8x - that as a stand alone option would most certainly be at least $2300]
New Springs [Yes on F8x and E9x]
New Dampers [Not sure to what extent different on E9x]
New Anti-Roll Bars [Not on E9x ZCP]
Reconfigured driving modes (Comfort, Sport and Sport+) [All three modes tuned on F8x ZCP, only Sport mode tuned on E9X ZCP]
Reconfigured Active M Differential [mechanical diff on E9x ZCP no different than standard E9x] and DSC Dynamic Stability Control [all three modes tuned on F8x, only MDM mode different on E9x]
Forged, machine-polished, weight-and rigidity-optimized, multi-spoke 20-inch M alloy wheels (front 9J ×20; rear10 J ×20) Mixed tires sizes (front: 265/30 R20, rear: 285/30 R20) [666M wheels stronger/better suited for heavy duty track use vs. heavy, cast 359M wheels - see your post #720 above]

Those differences above should easily justify the "net" $2300 USD difference between the two is what I've been trying to say.

Then the F8x offers even more "cosmetic" changes as well:

Special lightweight M sports seats
Seatbelts with woven-in BMW M stripes cap
M sports exhaust system with black chrome tailpipes
BMW Individual high-gloss Shadow Line exterior trim
High-gloss Black finish on the BMW kidney grille, the side gills and the model badge on the tail
$5500 for sedan/coupe, $5000 for convertible

So - value is still "subjective" to a point - but the extra $2300 premium (excl. 19" wheel upgrade and EDC upgrade for both) for the F8x ZCP vs. the E9x ZCP can easily be demonstrated above. No OEM nor aftermarket supplier is going to sell you those "differences" for the F8x (particularly the rear air suspension alone) for $2300 USD...
I think it is very safe to assume that the air suspension thing is a typo and won't find its way on CP cars

The E9X CP also received revised dampers

You are right about sway bars, I forgot to mention that one.

All 3 EDC modes revised: I could not really care less about a revised Comfort mode for "performance" driving.

All three DSC modes revised? Really? I wonder how they made "DSC off" any better . I am also pretty sure only MDM got revised.

As for the wheels, it is very debatable. Most track goers will likely go for dedicated 18" wheels for cost reasons anyhow. And I am not sold on 20" wheels for the street. I am eager to find out about the weight of the 666M wheel/tire package. If it is indeed lighter than the 437M, I'll keep an open mind. I am a function over form type of person.

Something we did not mention, is the wider tires that come with the CP.

As for the seats, most of the weight reduction likely comes from the removal of the adjustable lumbar support; which I would rather keep.

Yes I agree, you do get a lot of "bling" for $2300 .

I saw the CP on the E9X as a way to upgrade an aging product to maintain its appeal in the market where the customer benefited the most. On the F8X, it looks more like marketing for BMW profit mongering. My main point, is that at their respective price points, the CP on the E9X was a no brainer, on the F8X it is more polarizing and debatable.
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      02-21-2016, 07:28 AM   #761
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Found something interesting (not sure it was posted yet). If you replace the 20 inch wheel of the comp pack with stock 19's and add 265/35 and 285/35 to the stock 19; the setup in terms of diameter and width is almost identical to the 20 inch setup. Go to tiresize.com under "tire comparison" and compare for example the 265/35-19 vs the 265/30-20. Some people may be thinking that the new DSC retunning of the comp pack will only work well with the 20 inch; not so apparently if you change 265 and 285 35's on the 19 stock wheels. Just a thought for those who are not liking the 666 wheels.
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      02-21-2016, 08:43 AM   #762
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I think I found BMW's inspiration for the 666 wheels.

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      02-21-2016, 08:53 AM   #763
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Quote:
Originally Posted by Mario_Kart View Post
I guess you really hate the GTS too...
Oh no, not at all. Really loved the frozen colour on it too. But the wheels...that car deserves a set of F1-R's or something similar. Just can't warm up to them. Still love 'ya though
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      02-21-2016, 09:34 AM   #764
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Quote:
Originally Posted by Mark's M View Post
Oh no, not at all. Really loved the frozen colour on it too. But the wheels...that car deserves a set of F1-R's or something similar. Just can't warm up to them. Still love 'ya though
I will have aftermarket wheels for mine to solve this issue!I really dislike the Standard wheels on the GTS!
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      02-21-2016, 11:28 AM   #765
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I read somewhere that the Offset on the Competition wheels is different as well ? I'm all for lighter wheels so if the standard ones (437M)' are lighter then I would prefer these ,,

But I bet some will buy those (666) wheels and pretend they drive a "ZCP
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      02-21-2016, 11:56 AM   #766
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Quote:
Originally Posted by CanAutM3 View Post
Really ?

The only advantage on paper is the 19 additional hp and re-calibrated e-diff. On the E9X, the CP also made the EDC Sport (highest) setting dynamic, which is better suited for the track compared to the static Sport setting of the base E9X (Sport+ is already dynamic on the base F8X). We will have to wait and see for actual road tests to figure how much of an improvement the F8X CP really makes. But you do get much more bling for those $2300 .

I won't be changing my car until the summer of 2017 (MY2018), so I still have plenty of time to decide .
Almost positive all e9x M3's with edc had dynamic function starting with my2011. Zcp was just tuned differently to take advantage of the suspension upgrades.
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      02-21-2016, 12:08 PM   #767
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Quote:
Originally Posted by Mark's M View Post
Oh no, not at all. Really loved the frozen colour on it too. But the wheels...that car deserves a set of F1-R's or something similar. Just can't warm up to them. Still love 'ya though
I guess that's why bmw sell optional carbon wheels for 12k plus tax for the gts...lol
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      02-21-2016, 12:10 PM   #768
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Quote:
Originally Posted by Maxis View Post
I read somewhere that the Offset on the Competition wheels is different as well ? I'm all for lighter wheels so if the standard ones (437M)' are lighter then I would prefer these ,,

But I bet some will buy those (666) wheels and pretend they drive a "ZCP
You can't drive a ZCP. It is an optional package, not a car.
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      02-21-2016, 12:13 PM   #769
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Quote:
Originally Posted by SakhirM4 View Post
You can't drive a ZCP. It is an optional package, not a car.
It's really not necessary to correct every post on the semantics of driving a "ZCP" vs. "ZCP-optioned"
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      02-21-2016, 12:17 PM   #770
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Quote:
Originally Posted by YolkyPalky View Post
It's really not necessary to correct every post on the semantics of driving a "ZCP" vs. "ZCP-optioned"
It is really not necessary for people to keep getting it wrong. Thanks for my wrist slap.
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