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      02-23-2014, 05:35 PM   #23
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Quote:
Originally Posted by drob23 View Post
What was the density altitude where you were at? You should be able to check a history online. Plays a huge role, easily could add/subtract .5 sec in the et. Probably the only benefit of all this ungodly cold weather lol...

Also curious about tires. Looks like you were running pretty consistent times!
-311DA
So bumps my time down to 13.31 if you use the correction

Tires are stock 18" Continental all-season Run flats

Btw had 3/4 full tank of pump gas. Full tank of washer fluid. It's Alpine white with most options including Msport, Xdrive, cold weather, premium, drivers assists, dynamic handling, Nav, etc.
So no stripped model. It's prob as heavy as you can build it with a hard top.

Last edited by Mik3ymomo; 02-23-2014 at 06:09 PM.
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      02-23-2014, 07:24 PM   #24
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Quote:
Originally Posted by Mik3ymomo View Post
-311DA
So bumps my time down to 13.31 if you use the correction

Tires are stock 18" Continental all-season Run flats

Btw had 3/4 full tank of pump gas. Full tank of washer fluid. It's Alpine white with most options including Msport, Xdrive, cold weather, premium, drivers assists, dynamic handling, Nav, etc.
So no stripped model. It's prob as heavy as you can build it with a hard top.
All seasons

thats a very important piece of information you had left out. I think you can bring it down to 13.2 and +104mph with more sticky tires. Great times for a car on all seasons though
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      02-23-2014, 07:40 PM   #25
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I wasn't getting wheel spin

Based off of the time slips the car ran a 0-60 time of 4.5 seconds. Just wanted to add some real world numbers because I've seen numbers all over the place.

I spent a lot of time at the line trying to get the launch control to engage so I was launching it softer then I could have. The launch control engaged once on my last run but I don't think it's very aggressive. Even with its learn feature I think I can probably launch it harder myself just power braking it.
The launch is where the time is to be made up. With a fastest 60 foot time of 1.99 I think with the Xdrive I can get a 1.84 which would put the car at 13.1 stock.
I don't think it will go faster without more power.

Speaking of power, based off the time slips its at 329hp stock. Slightly more then BMW has rated it.
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      02-23-2014, 07:56 PM   #26
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Quote:
Originally Posted by Mik3ymomo
I wasn't getting wheel spin

Based off of the time slips the car ran a 0-60 time of 4.5 seconds. Just wanted to add some real world numbers because I've seen numbers all over the place.

I spent a lot of time at the line trying to get the launch control to engage so I was launching it softer then I could have. The launch control engaged once on my last run but I don't think it's very aggressive. Even with its learn feature I think I can probably launch it harder myself just power braking it.
The launch is where the time is to be made up. With a fastest 60 foot time of 1.99 I think with the Xdrive I can get a 1.84 which would put the car at 13.1 stock.
I don't think it will go faster without more power.

Speaking of power, based off the time slips its at 329hp stock. Slightly more then BMW has rated it.
Your 0-60 is likely 4.6 based on the quarter you recorded, same as car and driver. However you still need summers, all seasons are not your go to tire for performance. Add summers better launch techniques and you are right, lots of time left on the table
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      02-23-2014, 08:20 PM   #27
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May want to try with traction completely disabled. The car may be pulling power but maybe not. If you're getting no wheel spin at all, maybe not. I know comfort or sport has traction involved earlier than sport + before it pulls power. All off will let even more, at least for me but I have rwd and jb4/intake and that's with the summer tires. With my PSS I don't get as much though, but we're talking about 265 rears vs 225s too.
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      02-23-2014, 08:32 PM   #28
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Sport + as far as I know completely disables it. And the 0-60 time I calculated based off the DA. Came to 4.56 seconds 0-60
If I best these times I will let you guys know.
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      02-23-2014, 08:49 PM   #29
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Quote:
Originally Posted by Mik3ymomo
Sport + as far as I know completely disables it. And the 0-60 time I calculated based off the DA. Came to 4.56 seconds 0-60
If I best these times I will let you guys know.
You just beat car and driver on all seasons, good job bro
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      02-23-2014, 09:02 PM   #30
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It's my wife's car just wanted to see what it could run for giggles.
I'm sure someone will probably be faster by next weekend. At least they have an idea where the cars are running.
I usually drive old beat up cars, my wife gets the nice ones and I don't get to drive them all that often.
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      02-23-2014, 09:15 PM   #31
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Quote:
Originally Posted by 300hp View Post
Your 0-60 is likely 4.6 based on the quarter you recorded, same as car and driver.
That was a 335ix they tested, right? The only official C&D number of the 435i is 5.2s rwd with 6MT.
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      02-23-2014, 09:18 PM   #32
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Sport+ doesn't completely disable all the nannies
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      02-23-2014, 09:18 PM   #33
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      02-23-2014, 09:25 PM   #34
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      02-23-2014, 09:51 PM   #35
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Quote:
Originally Posted by auf Deutsche
Quote:
Originally Posted by 300hp View Post
Your 0-60 is likely 4.6 based on the quarter you recorded, same as car and driver.
That was a 335ix they tested, right? The only official C&D number of the 435i is 5.2s rwd with 6MT.
No C&D has not tested an F30/2 xdrive. I was referring to the rwd 335i they tested, they recorded 4.6s.

I still think for a non professional driver on all seasons to beat a professional driver on staggered summers is impressive, especially given this is his first attempt. I am sure with attempts to carry less weight and better tires he can take more time off
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      02-23-2014, 10:16 PM   #36
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Quote:
Originally Posted by 300hp View Post
No C&D has not tested an F30/2 xdrive. I was referring to the rwd 335i they tested, they recorded 4.6s.

I still think for a non professional driver on all seasons to beat a professional driver on staggered summers is impressive, especially given this is his first attempt. I am sure with attempts to carry less weight and better tires he can take more time off
Like I said earlier in the thread, the DA plays a huge role in how the car runs in the 1/4 mile. From what we know, the OP had a really nice DA to run with. So it's not out of the realm of possibility that he beats what a magazine ran. You can also tell from his times (namely consistency) that launching an automatic AWD car is not exactly rocket science (i.e. doesn't need to be "professional" magazine driver).

A MT RWD car with high torque/power would require a lot more skill. These cars just require figuring out how to prevent the ECU from cutting power, the trans from short shifting and brake torquing the launch correctly. Also, I doubt staggered tires help in drag racing an AWD car like this, where the engine isn't really putting out enough torque - staggering tires is really for RWD cars (especially ones without LSD's) to provide added rear grip and neuter the throttle oversteer a bit (staggered tires create understeer).

Last edited by drob23; 02-23-2014 at 10:23 PM.
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      02-23-2014, 10:35 PM   #37
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Quote:
Originally Posted by drob23 View Post
Like I said earlier in the thread, the DA plays a huge role in how the car runs in the 1/4 mile. From what we know, the OP had a really nice DA to run with. So it's not out of the realm of possibility that he beats what a magazine ran. You can also tell from his times (namely consistency) that launching an automatic AWD car is not exactly rocket science (i.e. doesn't need to be "professional" magazine driver).

A MT RWD car with high torque/power would require a lot more skill. These cars just require figuring out how to prevent the ECU from cutting power, the trans from short shifting and brake torquing the launch correctly. Also, I doubt staggered tires help in drag racing an AWD car like this, where the engine isn't really putting out enough torque - staggering tires is really for RWD cars (especially ones without LSD's) to provide added rear grip and neuter the throttle oversteer a bit (staggered tires create understeer).
That's right, any of you guys should be able to do this. I look forward to you 4 series guys getting out to the track and eclipsing my times.
I look forward to the posts! I don't know how many more times the wife will let me take her car to the track again!
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      02-23-2014, 10:44 PM   #38
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That's right, any of you guys should be able to do this. I look forward to you 4 series guys getting out to the track and eclipsing my times.
I look forward to the posts! I don't know how many more times the wife will let me take her car to the track again!
LOL, is that how you phrased it? Honey, just gotta pick up some groceries...maybe hardware shop...and err...drag strip No way in hell would the lady let me hoon on her car
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      02-23-2014, 10:47 PM   #39
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LOL, is that how you phrased it? Honey, just gotta pick up some groceries...maybe hardware shop...and err...drag strip No way in hell would the lady let me hoon on her car
It wasn't the friendliest of responses I received lol.
But I have some leverage, we call it her car but she doesn't exactly pay for it all on her own
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      02-23-2014, 11:52 PM   #40
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Originally Posted by Mik3ymomo View Post

In these photos it looks like the radiator down in the air dam can be easily hit by rocks. It looks like nothing is really protecting that radiator. May want to look at installing some mesh so that you won't get a rock causing a punctured radiator.
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      02-24-2014, 08:07 AM   #41
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Quote:
Originally Posted by drob23
Quote:
Originally Posted by 300hp View Post
No C&D has not tested an F30/2 xdrive. I was referring to the rwd 335i they tested, they recorded 4.6s.

I still think for a non professional driver on all seasons to beat a professional driver on staggered summers is impressive, especially given this is his first attempt. I am sure with attempts to carry less weight and better tires he can take more time off
Like I said earlier in the thread, the DA plays a huge role in how the car runs in the 1/4 mile. From what we know, the OP had a really nice DA to run with. So it's not out of the realm of possibility that he beats what a magazine ran. You can also tell from his times (namely consistency) that launching an automatic AWD car is not exactly rocket science (i.e. doesn't need to be "professional" magazine driver).

A MT RWD car with high torque/power would require a lot more skill. These cars just require figuring out how to prevent the ECU from cutting power, the trans from short shifting and brake torquing the launch correctly. Also, I doubt staggered tires help in drag racing an AWD car like this, where the engine isn't really putting out enough torque - staggering tires is really for RWD cars (especially ones without LSD's) to provide added rear grip and neuter the throttle oversteer a bit (staggered tires create understeer).
Hey man, just taking things at face value here

It's ok to get into the details but given what we know the guy beat C&D. (For example do you know the DA when C&D tested their car, btw their car weighed about 200lbs less than his) I will give him that credit, he beat them and now it's up to us ( and him) to beat him.

FYI xdrive is a 60:40 split so for straight line stuff the additional grip offered by the rear wheels in the staggered summer tires setup should help.
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      02-24-2014, 08:24 AM   #42
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Quote:
Originally Posted by ToyotaBMW
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Originally Posted by Mik3ymomo View Post

In these photos it looks like the radiator down in the air dam can be easily hit by rocks. It looks like nothing is really protecting that radiator. May want to look at installing some mesh so that you won't get a rock causing a punctured radiator.
Although his is a bit lower than mine, my radiator lies just as low and in the 15000 miles I have owned it, nothing happened
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      02-24-2014, 08:41 AM   #43
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Quote:
Originally Posted by ToyotaBMW View Post
In these photos it looks like the radiator down in the air dam can be easily hit by rocks. It looks like nothing is really protecting that radiator. May want to look at installing some mesh so that you won't get a rock causing a punctured radiator.
I don't think BMW makes their heat exchangers out of paper mache like the "other" guy you are alluding to. Never read of any problems here.

Quote:
Originally Posted by 300hp View Post
Hey man, just taking things at face value here

It's ok to get into the details but given what we know the guy beat C&D. (For example do you know the DA when C&D tested their car, btw their car weighed about 200lbs less than his) I will give him that credit, he beat them and now it's up to us ( and him) to beat him.

FYI xdrive is a 60:40 split so for straight line stuff the additional grip offered by the rear wheels in the staggered summer tires setup should help.
Most of the magazines don't run their cars in extreme cold (they are trying to emulate real world conditions). Even OEM's move their testing and calibration engineers to the southwest during winter. A lot of the magazines do testing either in So Cal or Michigan, where in the summer it can be either really hot or the humidity can be bad (in midwest, not CA ). Humidity is probably the worst killer of DA other than altitude itself. The conditions this guy ran were pretty damn good.

The staggered setup won't help if he isn't even getting wheel spin with square all-season setup. There is no torque/power that he's leaving on the table, unless I am missing something. The torque split on xdrive can vary for launch (it's def not fixed like a mechanical center diff). The biggest helper would probably be light weight wheels, rotors, calipers etc.

Most drag guys are dealing with serious wheel spin (high HP rear wheel drive cars), which is why they put the huge wide tires on the rear. There are some tricks like letting out air (maybe to 20 PSI) to get a slightly larger contact patch and a little more torsional flex at the launch, check out this

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      02-24-2014, 08:55 AM   #44
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It wasn't the friendliest of responses I received lol.
But I have some leverage, we call it her car but she doesn't exactly pay for it all on her own
Auditude from the S4 boards also ran that day, and took video, is this your car LOL - link to his post along with his mods and slips http://www.audizine.com/forum/showth...nd-6MT-content

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