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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 02-15-2015, 08:12 AM   #1
Maksim
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M3 almost fell off the road yesterday~help

Tried to open it up for the first time (DSC off, sport button on) and do a second gear pull last night in my new coupe. As soon as i hit the highway straight it pulled smooth up to about 6500 rotations, when the rear end lost all control and swung left to right. The car is not stock but it does sit on 20"x11" rear wheels that theoretically would help hold it to the road. Im coming from an STi so im certainly used to all wheel traction, was this simply a lack of traction in the cold North jersey weather or something else i should be concerned about ?

Thanks everyone.
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Old 02-15-2015, 10:45 AM   #2
DeanSweet
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So many variables... Ground dry, layer of salt on asphalt, slight amount of water or oils on the road, coming out of a corner, cold tires, simply too much throttle?
Maybe try a set of decent winter tires or wait till Summer to try it again?
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Old 02-15-2015, 11:01 AM   #3
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Not sure about where you are in Jersey, but last night in Philly, across the river, it was in the single digits and snowing. Maybe not the best time to turn off DSC and do second-gear pulls.
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Old 02-15-2015, 11:08 AM   #4
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Yea I didn't bank on it being a good decision, I was just really surprised the car whipped around the way it did. It was definitely dry cold ground covered in salt. I'm just hoping it's not a rear trailing arm issue. I'm in North jersey right by the boarder of upstate. Bergen county.

Last edited by Maksim; 02-15-2015 at 02:13 PM.
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Old 02-15-2015, 11:10 AM   #5
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333 bhp on a cold road with cold tires... She will get loose on ya!
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Old 02-15-2015, 01:12 PM   #6
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Turning DSC off for the first time on freezing cold road surface to see what would happen. What could go wrong?
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Old 02-15-2015, 01:41 PM   #7
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Truly, a mystery.
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Old 02-15-2015, 02:12 PM   #8
Maksim
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371 bhp in mine actually. safe to say I Roasted myself in this thread for sure.
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Old 02-15-2015, 02:35 PM   #9
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371 bhp in mine actually. safe to say I Roasted myself in this thread for sure.
eh
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Old 02-15-2015, 03:15 PM   #10
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Quote:
Originally Posted by Maksim View Post
371 bhp in mine actually. safe to say I Roasted myself in this thread for sure.
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Originally Posted by choxor View Post
eh
He's up roughly 40 Crank HP, that's certainly a feasible N/A HP number on the S54 motor.

*********************************************

OP, don't do this again until your temps are above 60 or 70 degrees F out.



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Old 02-15-2015, 03:52 PM   #11
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its an 06" Supersprint grey market car from Germany. Full header back setup. 371 is what I was told. Have no numbers to prove it myself but it is certainly has a bit more pop then a stock US car. Will need to swap out headers for inspection sometime this week tho.
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Old 02-15-2015, 03:54 PM   #12
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But thanks everyone for clearing it up, thought I was in for a surprise with repairs needed.
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Old 02-15-2015, 05:29 PM   #13
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Interesting. What's the last 7 of the VIN.
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Old 02-15-2015, 06:43 PM   #14
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M3 almost fell off the road yesterday~help

I'm not 100% but I think you can just get an Alpha N tune and pass inspection with your headers. Again I'm not positive but I've been told such.

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Old 02-15-2015, 06:55 PM   #15
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...seriously? Its not an STi, RWD, problem found.

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Old 02-15-2015, 07:09 PM   #16
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Were you WOT in 2nd or it just shifted all of a sudden!!? Maybe you should have your rear suspension components checked out!!
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Old 02-15-2015, 07:15 PM   #17
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Was about 3/4 throttle with my foot but as far as I understand sport button on = WOT in any event. Once I took third it regained control with the help of a light tap on the breaks. Either way im not trying this again any time soon. I was under the impression this is a normal car that goes fast. It's mot. It's a machine and it scared my sh*t straight before I got too carried away.
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Old 02-15-2015, 07:16 PM   #18
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I'm not 100% but I think you can just get an Alpha N tune and pass inspection with your headers. Again I'm not positive but I've been told such.
Would this be something a shop can do or I can do myself thru some hardware. Or is this one of those send your cars computer to the lab for 2 weeks type of thing?
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Old 02-15-2015, 07:20 PM   #19
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Would this be something a shop can do or I can do myself thru some hardware. Or is this one of those send your cars computer to the lab for 2 weeks type of thing?

It needs to go on a lift and be inspected by someone that knows what they are looking for.

You understanding of the Sport button is incorrect. Leave Sport "off". You gain nothing with it. Nothing.

Enroll in a track HPDE with the NJ BMWCCA Chapter. They are at NJMP in April.
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Old 02-15-2015, 08:10 PM   #20
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Nice, so it was you being a hooligan!! I just got my M3 too, and I've been waiting on that perfect day to take her to town on the canyons!!! It was nothing too unpredictable though, was it!?
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