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      07-21-2011, 11:25 PM   #23
Addicted2M
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Wheel hop caused by the driver not the car.... no one pointed out the obvious never a problem here
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      07-22-2011, 12:17 AM   #24
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your full of it purposefully overpower the rears in the wet and it bangs like all hell.
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      07-22-2011, 07:54 AM   #25
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Quote:
Originally Posted by chriszeh View Post
your full of it purposefully overpower the rears in the wet and it bangs like all hell.

Perfect description. Annoying and other cars dont do it....will check tire pressure but I doubt thats the cause.

I assumed there was a simple solution to this but no one seems to have an answer. And no it's not driver error, I'm launching at different RPM's and do the same slides in my E46.
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      07-22-2011, 08:44 AM   #26
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This car does get a lot of wheel hop in comparison to many other cars. It is caused by the gaining and losing of traction rapidly. Not sure why this car experiences it more than some other cars do. It seems cars with independent rear suspensions get if far more than solid axles or older muscle cars that are really setup for drag racing.
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      07-22-2011, 10:19 AM   #27
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Just give it more gas like a man and it'll smooth out past 5000-6000rpm.
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      07-22-2011, 01:01 PM   #28
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Quote:
Originally Posted by NJBMWM3 View Post
If you have never ever done that then you are not fully enjoying your M3 or any performance related car.
I haven't done this in the M (in my Camry with it's shitty tires, sure), but I'm fairly certain that I fully enjoy my M3 in other ways that don't involve driving like the elderly.

My only true worry regarding this thread is that the OP is making comments that make it seem as if he commonly slides his car sideways on public roads and not in a controlled setting....I understand that he takes a precursory look before drifting around these corners and such, but really, it only takes one guy on a motorcycle or one pedestrial to ruin your day. Also, being in second and third gear and sliding around means that you'd definitely be going fast enough to ruin your day. I mention this because an acquaintance of mine slid his M3 around a corner while practicing drifting in second/third gear in a residential, lost it, and hit the sidewalk. About a grand in suspension damage.

Just be careful....

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Originally Posted by asw19 View Post
Houston but dont worry ... Although I like to get it very sideways, I only do it if there are no cars and typically pretty low speed stuff...2nd gear, occasionaly 3rd on a perfect turn near the office.

And regarding the post that if I'm getting wheel hop cause I'm doing it wrong...I'm all ears...is there some other way to do it? I never had the issue in previous cars.

And to clarify, its not wheel hop when sideways, its wheel hop anytime the rears spin...straight ahead acceleration with dsc off in the wet....Bang, Bang, Bang, Bang....sounds terrible, feels damaging. Trying to avoid it for now but doesnt seem right.
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Because learning to control a good slide in my opinion is an art. Lots of fun when done properly and when you can make a full 90 degree turn sideways while staying in control...and in your lane etc..
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      08-31-2014, 04:10 PM   #29
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i know this is a really old conversation, but if anyone still cares, GM fixed this problem in the corvette and second gen cts-v by giving the cars asymmetric half axles. the problem is that the harmonics created by the suspension and drivetrain combined build up constructive interference since both sides load up equally and then release their energy equally. a lot of guys with 1st gen cts-v's have bought asymmetric axle kits and that has solved the problem for them. from a layman's perspective, it works because the side with the stronger axle will break traction first and will therefore not load up the same as the other side. this means you don't get a standing wave like you do with the symmetric system. so any of you guys wanting to fix the wheel hop issue should look into getting asymmetric half axles. that said, every mechanical system has a natural frequency. that means you have to choose the axle diameters carefully. they should be significantly different thicknesses, and their natural frequencies should be such that they don't have constructive interference at any expected loading.
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      08-31-2014, 04:31 PM   #30
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It's all about traction...
Wheel hop is created by traction loss !
PSS tires will give you traction even in the wet => no wheel hop because traction with PSS !
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      08-31-2014, 04:38 PM   #31
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You can almost eliminate wheel hop with solid subframe bushings.

The cause is the rubber bushings which flex under power.
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      08-31-2014, 06:09 PM   #32
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it's true that harder bushings help a lot. it's because they take some of the energy absorption out of the system and thereby change the natural frequency of the system. the traction gain/loss cycle is part of the effects of the bounce caused by the cyclic loading and unloading at the natural frequency of the system (i said interference issue earlier, but my engineer friends would mock me for talking backwards if i ever said that to them in person). harder or softer tires will also change the natural frequency of the system. a more decoupled solution is asymmetric half axles.
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      09-01-2014, 12:11 PM   #33
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In my DCT car on PSS in the dry I avoid wheel hop by getting rolling then jamming the pedal to the floor, you can get some pretty decent power slides on if you aren't pointing in a straight line (in Euro MDM). In the wet its far more difficult to avoid wheel hop.
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      09-02-2014, 09:43 PM   #34
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Quote:
Originally Posted by ThunderMoose View Post
the tires are too wet. As we all know, oil and water don't mix. To keep the tires from getting wet, simply oil them down thoroughly before driving in the rain. The oil will repel the water and you will eliminate wheel hop.
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      09-02-2014, 10:23 PM   #35
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      09-02-2014, 10:28 PM   #36
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It's from coronary artery disease, you need a stent in your LAD ....
As a third year medical student, I find this funny haha
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