Quick question....I have a 2001 330i and when i turn the traction
control off, it doesn't seem to make a difference. If I take off
around a corner I cannot break the tires free and get the back end to
kick out. Can my tires be THAT good...i doubt it, but hopefully
someone can help. Is there a way to check to see if it's working or
Steve - NY
I used to have to try hard, even in the wet, when I had good tyres on
mine. I did manage it once and I wouldn't do it again. There is
something on some BMWs that you have to hold the traction button down
for a period of time before it will fully switch off the DSC
Try a vicious start in first gear, preferably in the wet - you should get
wheelspin without traction control.
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If it was not working, you would get a warning light for sure.
It does not shut off completely by hitting the DSC button by the way... you
need to hold it for about 10 seconds to fully disengage it (google that for
the details - I could be off a bit - I got that from e46fanatics.com)
BUT, why do you want it off?
Do you want to lose control?
Are you a pro driver that knows better than the car?
I doubt it, the dsc is very fast and smart to react in emergency situations
that you as a driver could not react fast enough to avoid a crash.
I tested it in the snow, I wanted to lose it but was unable to, I saw
quickly that it was so advanced, even a semi pro driver could benefit in bad
In dry, your car won't break loose anyways, not enough power unless you dump
the clutch at redline, and even then you HAVE A CDV in the clutch line that
limits what you can do with the revs.
Remove the cdv and you may find the feeling you are looking for, not
burnouts, but full clutch feel and control.
Just remember - the one time it is off, you may need to avoid n emergency
stop, swerve, crash... and you won't be able to, then you will regret it.
If you race the car on a track, you want it off, but other than that, ON.
If you want to spin tires, buy a mustang!
On the subject of CDV, I've found opinions (not mine), stating that it was
put in there by BMW for people who don't know how to properly drive a
stickshift, i.e. they lack the finesse needed to smoothly operate the
clutch. For others that do know how, CDV is mostly a neusance, takes away
from driving pleasure, and sometimes misbehaves causing unwanted surges or
whatnot. What's your opinion on the subject?
I testdrove a 330ci once, and it felt nice and smooth, although it was a
rather quick drive. No idea if it still had its CDV or it was removed.
The CDV is very annoying, your summary is accurate though.
For those who cannot shift, it does help not to stall, or have very jerky
But for those who can shift well, it inhibits your ability to get it smooth
Any spirited driving is squashed by the CDV.
I have had a 325, 535 and both were a joy to shift, now my 330 is as well,
berfore the removal, it felt like there was something second guessing my
I highly suggest you all remove them, unless you are abusive on the drive
train - you will have only positive results.
He was talking about drifting corners, not getting out of snow!!
There is very little reason to be doing that on the streets where I may be
and spin wheels.... I happen to be a victim of a very neglectful driver that
almost killed me a few years ago, I am still in rehab because of it...
People who want to be reckless on the road need some proper training and a
safe place to do it so they don't endanger you, me or our friends.
Besides... Just because he turns off the dsc button, the car still has it
running untill you hold the button long enough to shut down the system
completely... BMW did not want people shutting it off and killing
themselves, so they made it harder than the press of a button.
He also only has power to one rear wheel, you have an "open-diff" , you
won't be able to do a proper burnout.
If you had an LSD, then you could easily slide the car all over! Aftermarket
LSD are available for the e46 for about $3000
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