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02-28-2023, 08:20 PM | #23 | |
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Is the M3 LSD the only offering you've heard of or the only one you'd get?
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2013 BMW 135is Coupe | Dinan Stage 3 | Dinan Monoball Joints | Dinan Toe Links | 1M Subframe Bushings | 1M Strut Bar | MPSS - BMW 313M's 18x7.5 / 18x8.5 | Min Grey, Savanna | Prem, Tech | DCT | #341/586
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02-28-2023, 08:59 PM | #24 | |
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All I know is that I can't really push the car without traction control slowing me down. I like traction control as I prefer not to total my car. But ultimately I prefer traction.
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03-01-2023, 06:41 AM | #25 |
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Ship your diff to Whitbread and have him put in a Wavetrac.
Whitbread performance out of Michigan. Couldn’t be happier with the work he did and his billet diff cover is a masterpiece. |
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03-01-2023, 08:48 AM | #26 |
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That would work. Personally, I’m thinking Quaife because of my DCT and because there is a rumor that Dinan used to sell their LSD pumpkins with Quaife in them.
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2013 BMW 135is Coupe | Dinan Stage 3 | Dinan Monoball Joints | Dinan Toe Links | 1M Subframe Bushings | 1M Strut Bar | MPSS - BMW 313M's 18x7.5 / 18x8.5 | Min Grey, Savanna | Prem, Tech | DCT | #341/586
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03-01-2023, 09:07 AM | #27 |
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Thanks. What does the Wavetrac do, exactly? Does it require software mods? What did it cost and how long did it take?
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03-15-2023, 10:12 PM | #29 | |
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I used to have a N55 135i with wavetrac, and it was a nice setup; definitely reduced the lack of traction and does not interfere with traction control (no software mods required). If you have access to a lift, it shouldn't take more than 4-6 hours to R&R. If you haven't taken your exhaust out before, be careful to align the mid-pipe to rear section when reinstalling; it is easy to strip the nut or bend the bolt on reassembly. The E9x M3 comes with a GKN unit (same as the dodge viper) that uses a hydraulic pump to actuate the friction plates. To make space for the pump, the stub shaft on the pump side is shorter than the non-pump side. This (and stress from quickly transitioning from no-traction to full lock) leads to uneven wear and eventually failure of the bearings/seal or differential mount bolt. |
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04-08-2023, 11:31 AM | #30 |
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Why is Quaife better than Wavetrac for DCT applications? And how would a Quaife install work? Would you ship your diff to them in the U.K.?
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04-08-2023, 12:34 PM | #31 |
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I could not and would not say that it is better. I have zero experience with either. (Can of worms) I don’t think there was always other options for the DCT’s because of the drive ratio.
Quaife would be my choice though because I trust Dinan. While they would not, extremely unfortunately and disappointingly, confirm Quaife to be the insides of their former product; my research gives me confidence that it was and that Quaife has a good product. The two brands on my car are Genuine BMW and Dinan. I will keep it that way, even if it means no LSD for me. I’m not confident, but I have the assumption that the manufacturers do not touch the case or car. I assume third parties will either assemble the LSD and case (precision work that should be carefully considered) or install the assembly (any mechanic shop, I suppose?) or both! It’s possible to order a case already put together with or without sending yours in. It is your decision to pay for a core or not.
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2013 BMW 135is Coupe | Dinan Stage 3 | Dinan Monoball Joints | Dinan Toe Links | 1M Subframe Bushings | 1M Strut Bar | MPSS - BMW 313M's 18x7.5 / 18x8.5 | Min Grey, Savanna | Prem, Tech | DCT | #341/586
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06-22-2023, 07:38 AM | #32 |
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It's interesting that the Supra is a Toyota/BMW collaboration, as I understand. I know the Supra GT has a 3.0 liter turbocharged in-line six. Is that the "BMW" part of the collaboration?
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06-22-2023, 10:50 AM | #33 | |
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Unless you have a highly modified N55, I personally think that Supra would have walked you if not given you a good run. If the owner of that Supra modified it, even mildly, forget it. |
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07-07-2023, 04:27 PM | #34 |
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How has your car been treating you?
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07-07-2023, 05:49 PM | #35 |
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Absolutely fantastic, thanks. Beast.
Next project is Quaife LSD and 1M exhaust. It's somewhere down on my list of "stuff to do"...
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03-15-2024, 11:02 PM | #36 |
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Sorry I don't think I ever answered the question. Cost was ~$3k including labor at the dealer.
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03-19-2024, 04:43 PM | #38 |
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Just to be clear, the car has changed ownership and is now in the hands of an enthusiast. She will be missed!
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04-10-2024, 06:31 PM | #39 | |
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Have a 135is 6 speed on Dinan Stage 2; looking to upgrade to Stage 3 Do not plan to upgrade the Oil cooler. Did you get a LSD ? |
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04-10-2024, 06:40 PM | #40 |
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I sold the car, but Stage 3 was a beast. The lack of LSD held it back. I would say Stage 3 is not worth it if you're not going to upgrade to LSD. Oil cooler not necessary unless you plan to track the car.
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04-10-2024, 09:04 PM | #41 |
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The LSD comment is a good one. And keep in mind that, like most tunes, nothing really happens until 3000-3500 rpm. I love mine with Stage 3.
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04-10-2024, 09:49 PM | #42 | |
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Edit: just noticed I already posted about this here. Oh well, they say memory is the second thing to go. Forgot what the first thing is. |
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