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10-17-2018, 08:28 PM | #7217 | |
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I was debating going to that event but couldn't due to work obligations. 2:28 is pretty damn fast -- what is the car's setup? My best time (and first-ever outing) at RA in my stock Grand Sport on street tires was around 2:36.
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10-17-2018, 08:39 PM | #7218 | |
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10-17-2018, 08:45 PM | #7219 | ||
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Car is about stock weight. Nothing removed besides rear seats for half cage and the recaros. But the half cage is pretty heavy I think about 70lbs. Suspension is Moton clubsports, rd sport sways, Supersprint exhaust,Dinan intake,tune, pfc front bbk, solid subframe bushings, trofeo r 265/295. |
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10-18-2018, 05:58 PM | #7221 |
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I don’t have my pole positions coded yet but I have the airbag and seat belt light on as expected along with the “passenger airbag off” illuminated by the dome lights. Does this mean the passenger airbag won’t go off in the event of an accident? Or is just on because the seat harness is unplugged? I’m using BK mounts with electric sliders so I just have the power for the sliders plugged in.
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2010 E92 M3 | DCT | ESS 650 | Ohlins | Racaro | Gintani | PFC | Hankook | Apex | Fall Line | Vibratechnic | Ground Control 2010 E70 X5M | H&R | Muffler Delete E92 M3 Build | E70 X5M Build Last edited by Mpower04; 10-18-2018 at 06:06 PM.. |
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10-18-2018, 08:05 PM | #7222 | |
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10-18-2018, 08:27 PM | #7223 | |
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Drives: E92 M3
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Too bad nobody (at least that I've found) provides a breakdown of boiling points as moisture content increases. |
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10-18-2018, 09:21 PM | #7225 |
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Oh, man that sucks!!!
Any more background info that you can provide such as # track days, do you ride heavy curbs a lot etc? We used to have this issue on the Z4MC platform, but it was easy to prevent by adding a reinforcement plate. I'm not sure that would be possible on the M3
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10-18-2018, 09:26 PM | #7226 |
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Not sure on the exact cause, but several factors noted by myself and Performance Technic. This is the first time they've seen an E92 M3 have this happen.
1) I'm the most they've seen someone track on stock shocks/springs 2) Dinan front sway bar was set in middle stiffness, likely taking a lot of body lean force 3) I have been a little naughty, curb riding a bit too much 4) Several months ago, I think I hit a little bit of the red curbing at laguna in turn 6, which is baddddd. No damage noted at that time, but it scared me 5) ~16-18 track days in my E92 M3, and it is at just over 60k miles 6) I heard a knock sound while cornering, thankfully in the last session I did. I immediately slowed down and evaluated whether I felt safe driving it. No issues felt while not under heavy cornering load, drove home fine. 7) I have been subjecting the car to more and more load, have run RE71R recently. Also been getting faster and faster pacing wise. Waiting for an eBay 15-20% off sitewide promo code so I can buy one of those $300-$500 shipped used front subframes... Expensive couple of months - I already had the following queued up: - Valvetronic muffler (Bomiz) - NT01 tires - Replacing my TE37 SL street set with Apex SM-10 - JRZ RS One coilovers w/helper springs all around, weight jacks, adjustable front sway bar end links Now it's adding more work: - Replacement front subframe - BE rod bearings w/ARP parts (seem to be out of stock everywhere) - Motor mount (already shot) - Engine oil pan - have a time sert'd one currently, makes sense to replace "while we're at it" Last edited by kyippee; 10-18-2018 at 10:23 PM.. |
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10-18-2018, 09:32 PM | #7227 |
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I would think the end kinks would have blown apart before the subframe... hard to say.
We are at about the same amount of track days and mileage. Maybe I need to go have a look at mine.
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10-18-2018, 10:21 PM | #7230 |
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10-19-2018, 08:12 AM | #7231 |
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Thanks!
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2010 E92 M3 | DCT | ESS 650 | Ohlins | Racaro | Gintani | PFC | Hankook | Apex | Fall Line | Vibratechnic | Ground Control 2010 E70 X5M | H&R | Muffler Delete E92 M3 Build | E70 X5M Build |
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10-19-2018, 09:01 AM | #7232 |
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10-19-2018, 10:54 AM | #7233 | |
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Sounds like a perfect storm of sway bar mount point stressing.
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10-19-2018, 11:00 AM | #7234 | |
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Assuming positively here as the shop that does all the work on my car has installed this part a lot. I'm wondering out loud if I should buy the ground control front sway bar end links in my JRZ kit. Potentially nice to replace? Last edited by kyippee; 10-19-2018 at 05:19 PM.. |
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10-19-2018, 12:11 PM | #7235 |
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Red Line 50WT Race ~22-25 heat cycles on slicks getting PR's on this sample. Looking good, I'm sticking with this from now on. Left to right we've got Red Line, Red Line, Ravenol, Total, LM (10w-60).
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10-19-2018, 01:39 PM | #7236 |
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what kind of use was the car seeing on the 4,300 and 4k mile runs? the wear per mile on the recent runs is pretty bad in comparison, i assume track vs dd?
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10-19-2018, 02:08 PM | #7237 |
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Same use, just driven to the track. There's no DD miles, just addition of highway miles. It's being towed hence the lower miles. The only difference is the driver has gotten ~7 seconds quicker since then
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