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03-19-2013, 12:55 PM | #67 |
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I am only speaking for myself here. I don't push my car hard and I rarely experienced this wheel hop or diff bang. However, for the life of me, I cannot understand the 3 points lob-sided mounting system that BMW used on our M3. How can it have even distribution of torque/load at the mounting locations? If someone with a more technical background can explain how this 3 point system is a better and more robust design than what a 4 point mount system can provide in terms of strength and longevity, I would really want to know. It maybe a just good enough design from BMW in terms of manufacturing cost?. Then there is that thread about broken diff bolts on cars that were not pushed hard at all and that got me worried. I plan to keep my car a long long time and it will be out of warrant soon. If the diff bolts fail later down the road, the bill to fix and replace the subframe seems very high. If this diff brace can help to complement the BMW 'over engineered' mounting system without adding NVH, I will be very interested. I am not in it for the wheel hop.
Last edited by e92zero; 03-19-2013 at 01:05 PM.. |
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03-19-2013, 01:24 PM | #68 | |
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03-19-2013, 01:53 PM | #69 | |
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All fair points Cheers, e46e92
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03-19-2013, 01:56 PM | #70 |
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Well then you'd be aware that they're both acceptable practices dependent on industry and application. I don't have time or desire to get in a technical pissing match.More up close and personal photos of parts will be posted at some point for your viewing pleasure, I'll be sure to get some closeups of the welds for your discerning eye...I'm the least bit concerned.
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03-19-2013, 02:14 PM | #71 |
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For those of us who are not skilled Tig welders with experience doing Ti welds, here is an introductory lesson:
http://www.millerwelds.com/resources...tanium-welding It explains the "box" and recommends it for the best weld. Were it me, I would just get the steel version of the brace . . . for much less money. But for the person who has a $5000 titanium exhaust, only the best will do and titanium is the best. |
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03-19-2013, 05:46 PM | #72 | |
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The product will speak for itself soon enough... |
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03-19-2013, 06:19 PM | #73 |
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I'm experiencing wheel hop as well, but of a different sort. When accelerating, during shifts at high speeds, gears 3-4, there is a bit of vibration and slight wheel hop in the rear. I'm making 670whp, currently no DCT M3 is making that much power that I know of, so the rear suspension might need some upgrading at this power level. This does look like an interesting product and I sent them an email over a week ago but did not hear back, it might be in your spam folder, lol.
I'm not sure if this product would help over solid rear subframe, diff - bushings, and camber plates, but hopefully we can find out. There's been some great points made in this thread, let's see how all this pans out.
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03-22-2013, 08:36 PM | #74 | |
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Good find regarding the other product : http://www.m3post.com/forums/showthread.php?t=812356
Funny how a totally different person and different (similar goal) product seem to also have the "imaginary" benefits I mentioned of the rear feeling more solid and the DCT functioning much better. I guess it's quite an imaginary world we are living in... This is only directed at those who went a little over the top with saying my claims were imaginary and totally impossible. Just had to say it after checking out that link Quote:
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03-25-2013, 03:08 PM | #75 | ||
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I like this product. Wheel hop really happens, broken diff bolts really happens and there is room for improvement. It's been well explained in a logical manner that makes sense to me (I am an engineer if that helps). While solid diff bushings would get you most of the way there, this product still provides significant improvement from what I can tell. The issue for me is the price. I'd be in at half price.
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03-25-2013, 07:35 PM | #76 |
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^ I agree that wheel hop can happen in situations which really aren't abuse. I'm sure Rick will be on here soon to announce the price and become a vendor but I believe the units will be going for $730 for the plate option. I think it's quite reasonable for what it does and all. Nothing on these cars is cheap. It's crazy how cheap you can get s/c kits on other cars...even like the CTS V.
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2014 M5 Competition Alpine/Sakhir BMS Tune. Undercover Performance Custom Downpipes & Connector. H&R 10mm Spacers. BMW CF Rear Spoiler. IND Cosmetics. ALP & BEL Radar & Laser. 2011 Space Grey E92 M3 AA Gen 2 Lvl 3 586whp 398wtq SAE (sold) |
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03-26-2013, 08:35 PM | #78 |
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Good man! Congrats can't wait to see your impressions
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2014 M5 Competition Alpine/Sakhir BMS Tune. Undercover Performance Custom Downpipes & Connector. H&R 10mm Spacers. BMW CF Rear Spoiler. IND Cosmetics. ALP & BEL Radar & Laser. 2011 Space Grey E92 M3 AA Gen 2 Lvl 3 586whp 398wtq SAE (sold) |
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03-27-2013, 01:03 PM | #80 |
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Interesting concept and most likely not a bad idea for high HP cars. I think pricing should be in the $500 range IMO. I have yet to have issues with wheel hop NA or supercharged but I do not have the power that some others on here do. Interested in more feedback from customers.
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03-27-2013, 10:35 PM | #82 | |
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Rick diff lock installes takes about 5-6hrs compleation. Since he is about 1hr45min from me I wanted to make it a one day trip. Having the extra truck it was a great use for killing some time with the family. |
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03-27-2013, 10:43 PM | #83 | |
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The internet is absolutely filled with folks making claims that some mod X or Y "feels" better (faster, louder, firmer, sexier, etc.) after it is installed. Ever hear of the placebo effect? It is the exact same thing going on here with cars. I don't know how many folks I have debated on this topic. Here is what it comes down to. Image the following thought experiment. Line up 10 identical cars with this mod and 10 without it. Test the cars (i.e. you personally drive them) in a random sequence but DO NOT induce wheel hop. Also conduct the testing on a very smooth road so any NVH changes are not a give away (not sure they would be but there is a chance of that). I would be willing to bet you pinks that you could not do any better than flipping a coin in guessing which cars have and which do not have this mod. I've had this discussion about all sorts of mods from wheel spacers and suspension cross braces to air filters and exhausts. We so desperately want to feel a true difference and thus viola, we do. Now all that being said, I don't doubt that that product can reduce or eliminate wheel hop. In my humble opinion that is all it must do to be successful and very worthwhile.
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03-27-2013, 10:45 PM | #84 |
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03-27-2013, 10:54 PM | #85 | |
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Here are some top notch Ti welds from a cosmetic perspective. They are like jewelry or art to my eyes... :
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03-28-2013, 09:02 AM | #86 | |
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03-28-2013, 10:28 AM | #87 | |
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Those welds look good enough to be done by a machine...... Were they indeed free hand welds by a tradesman? |
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03-28-2013, 10:48 AM | #88 |
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what is that part i will buy it!
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