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02-11-2019, 11:37 AM | #45 | |
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Adding stiffer trans mounts at the same time was maybe not a good idea. Stiffer trans mounts often cause vibrations. Much more so than stiffer engine mounts. The shafts that retain the guibo seem to do well. I have run a Jfiber shaft with guibo in my E90M3 without issue for a couple of years. No vibration as far as I have tested— about 150 mph. |
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10-06-2019, 01:30 AM | #46 | |
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i will keep it as spare CF DS or try it out if i get another e92 m3 as daily.. ive asked VAC for return & refund but they just stopped replying me.. saying "they sell alot of it and never cause an issue" terrible customer service... |
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09-14-2021, 08:08 AM | #47 |
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Has anyone else had any recent experience with the VAC CF driveshaft for DCT?
I'm in the market and would like to avoid the wait time on the MFactory piece. Wondering if VAC or any other reputable options are out there. Would also consider buying a used piece if someone has one laying around.
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10 E90 M3 /// Dinan Intake, X Pipe, Exhaust, Underdrive, 3.62 Diff, Coilovers, Alpine e85 Tune - sold
16 F80 M3 /// MaxPSI 4 Pin, DP, CP, SL Mid-Pipe, TMIC, KW HAS, EU5's, AB Performance Flex Tuned |
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09-14-2021, 09:56 PM | #49 | |
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Drives: '11 Lemans Blue 6mt Harrop e90
Join Date: Dec 2020
Location: Camas, WA
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Garage List 2011 E90 M3 [9.00]
2003 Porsche 911 Turbo [9.75] 2019 BMW X5 xDrive40i [0.00] 2013 Mercedes E550 ... [0.00] |
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09-15-2021, 12:41 PM | #50 | |||
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Sheesh, glad I asked before buying lol. Is Mfactory pretty much the only reputable option at this point? I saw an aluminum diff (from legitgarage(?) which sounds illegitimate if anything) but couldn't find any reviews or additional info.
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10 E90 M3 /// Dinan Intake, X Pipe, Exhaust, Underdrive, 3.62 Diff, Coilovers, Alpine e85 Tune - sold
16 F80 M3 /// MaxPSI 4 Pin, DP, CP, SL Mid-Pipe, TMIC, KW HAS, EU5's, AB Performance Flex Tuned |
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09-15-2021, 01:21 PM | #51 |
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VAC confuses the hell out of me. There are clearly a few cars out there they've touched that are quite fast and some people who swear by them. I wonder if they had one of those "got too big too fast" stories. Plenty of great local/regional performance shops have gone through this painful process over the years, and not many have made it all the way to being a respected national name
My YCW driveshaft is now 2 years and 20,000 miles or so old and I forget I have it. I think I'd notice if somebody stole it and the car suddenly started having a ton of windup in the powertrain again, lol
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