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04-05-2013, 02:34 AM | #23 | |
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Of if you have the time and know computers: bmw coding(one word) dot com . And that Nascar 1/2 at AAA definitely gives the regular MDM fits... which makes the rear end wiggle . I haven't tried with Euro MDM yet. .
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
Last edited by aus; 04-05-2013 at 02:43 AM.. |
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04-05-2013, 11:45 AM | #24 | |
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I'd set up another camera pointed at the left front wheel, if you're coming to Auto Club Speedway on May 3rd, to see if it's intervening when it's lifting. Set the camera nice and low, on the sideskirt low enough to capture the wheel's hop and see if it brakes when the tire lifts off the ground.
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04-05-2013, 11:55 AM | #25 | |
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04-05-2013, 12:03 PM | #26 | |
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04-05-2013, 12:24 PM | #27 | |
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I believe that the answer is much simpler. IMO, MDM is simply anticipating a potential oversteer and is applying outside front brake to correct. As was mentioned by Bigjae, a square tire setup would accentuate this type of MDM intervention. |
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04-06-2013, 11:28 PM | #28 | |
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04-06-2013, 11:30 PM | #29 | |
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04-07-2013, 10:22 PM | #30 |
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Isn't that some ****?
The sad thing about all those new electronics is that it breeds a new generation of drivers that pretty much don't know any better. Hell some defend it. I wonder how people used to do before this stuff existed |
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04-08-2013, 12:31 AM | #31 |
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I had a ride at AAA with Judy (CCA instructor who works at Crevier) and she said she keeps MDM on and she drives with MDM on and I don't think she knows about the Euro MDM. Ti-Jean did mention it to her in the classroom session and she was not aware of it.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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04-08-2013, 03:03 AM | #32 | |
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Then, the next time I saw him at Buttonwillow, he ran half the day on MDM! wtf?
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04-08-2013, 06:21 AM | #33 | |
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I wish we could program MDM more than euro mdm... I think US is 4% slip vs Euro is 7% slip. Wish we could do like 10-11%... I just need that little bit more.... |
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04-09-2013, 01:49 AM | #34 | |
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It's just silly to compare them to our peasant street cars we drive at DEs on Sundays. There is no DE championship or stakes here. Learn to drive with your own steering, throttle and braking inputs. It's also more rewarding. |
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04-09-2013, 05:53 AM | #35 | |
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04-11-2013, 12:17 AM | #36 |
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Just my 2 cents about MDM, I will use it on a new track or if I'm trying to get comfortable with a car or want to push the car more than normal in a very high speed turn to build confidence then turn it off. I.e willow springs turn 8 going from 124 to 129. To be honest it's a bit nerve wrecking and a little extra confidence is nice. Already spun an Evo at 130 there ;(
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04-11-2013, 08:31 AM | #37 |
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I could definitely feel MDM grabbing the rear wheels coming out of corners on the gas. It was like a quick "bam bam bam bam bam" feeling. At first I thought my car was bouncing in the rear and I had rebound dampening issues.
Took a picture of the rear rotor yesterday while putting street pads back on. You can see the notches from where the brake pads were hitting the rotor intermittently. Must have been pretty hard, because I ran entire day after that with DSC OFF and notches are still visible.
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04-12-2013, 02:32 PM | #38 | |
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I've seen a car crash b/c the traction control was on (it was very wet) but the skilled driver could not control the car with all the electronics trying to save him. It may have been better for him to just take his hands off the wheel for all the good the electronics did him. The E9x is a bit of a problem b/c of the outstanding power of the car, the grip of modern tires being close to or exceeding the r-comps of old, and the very limited capabilities of the drivers, myself included. Couple these with the mass of the E9x platform, and you have a very high kinetic energy car with drivers thrashing it around like it is an E30M3 on forgiving tires. Big problems await. In 1995 with the E36M3 we had these same discussions b/c we knew no-one at the track was as capable as the car was. People went off track with abandon back then too.
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04-12-2013, 04:37 PM | #39 | |
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This one of the reasons I believe it is more prudent driving with DSC or MDM activated on a wet track. Last edited by CanAutM3; 04-12-2013 at 05:02 PM.. |
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