skratch77

Im having issues from going to a 275/35/18 from a 265/40/18 and the car is turning on the traction control at high speeds on boost.

Is there anything in there to reset or recalibrate the wheel sensors?

03'55AMG

Have you tried unplugging the battery and seeing if that takes car of it?

skratch77

I FIXED IT

Man these cars are so freaking picky.I decided to check the rear tire pressure and they were at 41psi.Droped them to 34.5 and whalla no more T/C bleeding boost!!!!

I just went from litterally wanting to smash my car into a tree to loving it more than the day I bought it.

It feels like I went from a stock E55 to a pulley and tune now that the car is not cutting power.

note to future members....you need to stay as close as possible to stock rolling diameters or the car will cut power.Most stock E55s will never notice this but once you have that extra power it screws up the TC big time.

I went from trapping 122-123 to trapping 116-117 today and all I changed were my tires.I will hit the track next week and see if this fixed it.The but dyno says easy 100whp more now.

03'55AMG

glad to hear, how about another video 0-100 anyways?

skratch77

lol I fixed 3rd gear. first is a joke and now that it got under 55 out second is a no go for a wot run also.

I was pissed that the tc would turn on at 80 mph in 3rd gear with the slight touch of the throttle.

skratch77

Its kinda hard to get you a 0-100 run when I can do this in second gear with M/T drag radials lol

http://www.youtube.com/watch?v=A7oSPm-2jN4

03'55AMG

Holy **** is right!

skratch77

I need an LSD so bad

sneakyneon

You were running 41 pounds in DR at the track?

skratch77

Yeah I just got the wheels in the other day and never botherd to look at what they were at.I checked the fronts and they were 35 and figured the rears would of been the same.

It says max psi of 44.I still got a 1.75 60 ft with them at 41 tho

AKnight55

Glad to hear its running good now brother

GregMB

Glad to hear you solved the ESP issue.

Wouldn't it make sense to turn off dyno mode on the street if you're battling that much wheelspin? If you are backpedaling the throttle to get it to hook, the ESP has got to be able to do a better / faster job finding traction.

Do you run at the dragstrip with ESP on or off? I know you said that ESP was kicking on at 80mph, but I was curious since I know that ESP is still somewhat involved even when the button is off.

BTW -> I put my car in dyno mode for the first time yesterday (pretty sure I did it right) and my "traction triangle" doesn't stay illuminated like I saw in your video. Mines an '06...maybe that makes a difference? (maybe the video was made with ESP off, not full dyno mode?)


-G

skratch77

Greg that was not dyno mode.it was just with the button pushed.i tried dyno mode yesterday and ut wouldnt engage the supercharger.

03'55AMG

The triangle was illuminated because he simply pushed the 'ESP' button on the center by the lock unlock buttons. But man, spinning tires at 30+ with DR's is a real amazing sight.

03'55AMG

Lol, Just noticed, you had the reserve fuel light on!! Put in some gas and have more weight on the wheels and see if it helps

skratch77

That was on an agressive tune and 116 race gas with a big pulley.

Ali_E55

strange. becuase i changed my rear wheels and tires to 9.5" 18" 275/45/18 and the car had no problem at all.

i was reaching from 0 - 320km in about 45 seconds.

i noticed laso my RPM was less @ the same speed before with the smaller sizes.

2000 RPM 110km stock tires.
these fat tires 2000RPM 117km.

skratch77

What year was your E55?

My brothers 2004 is not like mine at all.His will smoke the tires with ease doing a brake stand and mine wont do a burn out.

His also will shift in M mode when redling and mine will hit the rev limiter.His also will downshift on the dyno in M mode if you push the kickdown while mine wont do that in M.

AWOL

you have a weird car then my friend.

I can do burnouts, in M, my wont downshift, but will shift at redline. A buddy just put cls 19's on his 04 e55 and he didnt have issues either.

Either way, congrats on the easy fix

skratch77

2003-2004 E55 dont do this,mine and another 05 we tried both will hit the rev limiter in M mode and wont downshift in M mode if you floor it.

GT-ER

My E55 is just like yours in that it won't let me do burn outs and will hold the gear in M mode no matter what I do ( I can rev limit for half an hour if I feel like it...lol ).

Also, while I have never driven my car at 50ish*F due to the fact that I live in PR and the lowest temp I see if mid 70's, I can go WOT at 40mph in 2nd gear and spin my 275 Toyo T1R's pretty decently to the point where my can will start to slow down ( throttle closure ) and go back to pulling hard again in the upper rpms. I've never tried DR's so it does make me curious...lol.

As for your original problem...I honestly don't get what going on. My car had 275/35/18 for a few months with ZERO issues at 40psi. My front tire was 245/40/18 which I assume is the same as yours. Heck, my car right now has tires which have a larger discrepancy than the oem 18's had and I still have no issues ( I don't think I do anyways ).

skratch77

My car got picky because I took off the 265/45/18s then went 275 nittos,then went 275/35 bfg and all have different over all rolling diamiters.

This was done in a week span and I think the tcu thought there was a sensor error and would just bleed boost while on wot.I was trying everything I could think of to fix it and it finally threw a wrong gear ratio code.

I didnt have this problem with the nittos and those were 25.55 inches tall and my new tires are 25.6 and I thought that there is no way that could be the problem.Well I took out some air and the car works lol.

It could of been from doing a sneaky ecu reset,scan tool reset or throwing it in dyno mode(that caused the code to come up)and wouldnt engage the S/C at all or a mix of all of the above.

Im not going to try dyno mode again to see if the S/C engages for fear of having this start all over again.

GT-ER

I dunno...I've switched from 265/35/18 to 275/35/18 and then to 275/30/19 all within a few months ( 2 months or so for all three tire sizes ) with absolutely no issues. Heck, I even had a 275/30/19 on one side and 275/35/18 on the other side ( blew a tire ) and it didn't give me any trouble either and I went WOT all the time like this and one tire was about .3" taller than the other side.

It's just weird...

Ali_E55

mine was 2005. and it won't burn out while pressing the brakes.

mine didn't shift down or up in M mode even at red-line. (this thing happened after i tuned it)

i also had Nitto NT05. i liked them