N55 135i 0-60mph in 4.4 Sec w/ COBB Stage 1+

[bmw0bsession]

Hello 1ers!

Like many out there, I was very curious what kind of 0-60 numbers my car was doing on a Cobb Tune. I finally had the chance to take my car out to a private road and used the Cobb AP's Performance function and was surprised that on a Stage 1+ FMIC on 91 Octane I was doing a constant 0-60 in 4.4 seconds with Launch Control . The outside temperature at the time was 74 degrees and I am on the Stock wheels and Tires. I do not know how accurate the Cobb AP is but I sure hope it is accurate. I spoke with the guys at Cobb and although I am catless they recommended I ran the Stage 1+ instead of the Stage 2 Sport since it would give me better gains. If I could run the Aggressive maps I would but in Los Angeles we only have 91 octane

Hopefully I can test my 1/4 mile time on a track soon! Below is a picture of the 0-60 time, my car, and mod list!

2011 n55 DCT 135i
BMS Intake
VRSF 5" Intercooler
ETS Chargepipe
Berk Sport Exhaust
BMS 3.5" Catless Downpipe
COBB AP Stage 1+ FMIC Map

[stormzusmc]

Nice on stock tires =)

[BEAR-AvHistory]

Your 60ft is very slow...shoot for less than 2.0

[alexmtl_135i]

Nice numbers!! You should be able to drop it even more with some sticky tires. I went from 5.3 - 5.2 on (used) stock, to 5.0 (no tune) with Michelin PSS, so you can save some more time there !

[bmw0bsession]

Originally Posted by BEAR-AvHistory

Your 60ft is very slow...shoot for less than 2.0

Yes, this is very true! I am guessing like alexmtl_135i said, using different tires will help. I will look into the Michelin PSS, any other recommendations?

[bmw0bsession]

Originally Posted by alexmtl_135i

Nice numbers!! You should be able to drop it even more with some sticky tires. I went from 5.3 - 5.2 on (used) stock, to 5.0 (no tune) with Michelin PSS, so you can save some more time there !

Crazy how changing your tires shaved off that much time! I will look into new tires, I am due for a change anyways lol

[fullboost]

Originally Posted by bmw0bsession

Hello 1ers!

Like many out there, I was very curious what kind of 0-60 numbers my car was doing on a Cobb Tune. I finally had the chance to take my car out to a private road and used the Cobb AP's Performance function and was surprised that on a Stage 1+ FMIC on 91 Octane I was doing a constant 0-60 in 4.4 seconds with Launch Control . The outside temperature at the time was 74 degrees and I am on the Stock wheels and Tires. I do not know how accurate the Cobb AP is but I sure hope it is accurate. I spoke with the guys at Cobb and although I am catless they recommended I ran the Stage 1+ instead of the Stage 2 Sport since it would give me better gains. If I could run the Aggressive maps I would but in Los Angeles we only have 91 octane

Hopefully I can test my 1/4 mile time on a track soon! Below is a picture of the 0-60 time, my car, and mod list!

The aggressive map is awesome. Mix in 4 gallons of 100 oct and the rest 91 oct piss gas. The link below seems to be accurate. I've used it a few times.

http://www.davebarton.com/Unleaded_Racing_Fuel_in_SoCal

[Freon]

The factory run flats are not very impressive. Grip is not that great for a summer only tire, they're narrow, and they're very heavy. His new set of PSS were probably wider by 10-30mm.

If you want a good tire, the Dunlop Z2 and BFG Rivals are supposedly the "it" street tires this year for autocross. I ended up getting a set of PSS myself, but I'm under no illusions that they're as good as Z2 or Rivals.

edit: I was able to pull 1.9-2.0 short times with 265/35/18mm Dunlop Z1 aired down a bit on an otherwise bone stock car.

[Schmoops135i]

How did you start? 1st or 2nd? how much wheel spin?

[Canuck135i]

My best was 5.50 Traction control off.

2012 100% stock 135i DCT

[runnin9z]

Is the reason you cant run Stage 2 because of your octane, you seem to have the mods to do so.

[bmw0bsession]

Originally Posted by runnin9z

Is the reason you cant run Stage 2 because of your octane, you seem to have the mods to do so.

Well, I can Run stage 2 Sport but the max PSI is 11. On the Stage 1+ FMIC I am pushing 14 PSI and sometimes 16. If I had 93 Octane available to me I would be running Stage 2 + for sure! For now I just clear the Check Engine Light with the Access Port, all the stage 2 sport map did for me was clear the code lol.

[bmw0bsession]

Originally Posted by Schmoops135i

How did you start? 1st or 2nd? how much wheel spin?

I was at a dead stop on a leveled road in 1st gear with DCT Launch Control. I would not be able to measure the wheel spin but it was VERY minimal, maybe a 1/4 of a second if that makes any sense at all.

[bmw0bsession]

Originally Posted by runnin9z

Is the reason you cant run Stage 2 because of your octane, you seem to have the mods to do so.

Here is a PDF explaining what I was talking about. The guys at Cobb recommended I just run Stage 1+ with 91 Octane because I would have the best gains with it and you can absolutely tell.

https://static.cobbtuning.com/cobbtu...AccessPORT.pdf

[alexmtl_135i]

Originally Posted by Canuck135i

My best was 5.50 Traction control off.

2012 100% stock 135i DCT

You should be able to do better than that with launch control. With TC off you start from 0 RPMs so you loose precious time building up torque.

[alexmtl_135i]

Originally Posted by bmw0bsession

I was at a dead stop on a leveled road in 1st gear with DCT Launch Control. I would not be able to measure the wheel spin but it was VERY minimal, maybe a 1/4 of a second if that makes any sense at all.

BTW didn't you get wheelspin changing up to 2nd? I was getting that all the time with JB4 on stock tires, but they were kind of worn out :P.

[Canuck135i]

Originally Posted by alexmtl_135i

You should be able to do better than that with launch control. With TC off you start from 0 RPMs so you loose precious time building up torque.

Actually I did 5.47

Don't think I'll use launch control until the warranty is over.

[alexmtl_135i]

Originally Posted by Canuck135i

Actually I did 5.47

Don't think I'll use launch control until the warranty is over.

You're missing out . Actually I would rather do the opposite: stop using LC once warranty is over. Once in a while isn't so bad anyways, they put the feature in the car so they probably stress-tested it.

[Canuck135i]

There has been lots of discussion as to whether you void the warranty
by using LC.

Until I see BMW put it in writing that it's OK to use it....I'll pass.

Other manufacturers have LC built into their cars....but it will void the warranty if used. (STI)

[bmw0bsession]

Originally Posted by alexmtl_135i

BTW didn't you get wheelspin changing up to 2nd? I was getting that all the time with JB4 on stock tires, but they were kind of worn out :P.

I actually did lol, I tend to switch gears at 6k. I find that works best for me when the sport buttons on!

[bmw0bsession]

Originally Posted by Canuck135i

There has been lots of discussion as to whether you void the warranty
by using LC.

Until I see BMW put it in writing that it's OK to use it....I'll pass.

Other manufacturers have LC built into their cars....but it will void the warranty if used. (STI)

Nissan does too with the skyline

[NORAGRETS]

dunno bout 0-60...but my 60' is right at 2.01 on a hot, slippery 1/4 track...MPSS granted, but no tune (FBO no meth, no downpipe) waiting for cobb to release 12' AP