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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 06-30-2010, 03:40 AM   #41
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Originally Posted by bigjae1976 View Post
I've heard some people complain that the Quaifes are noisy. Otherwise, I've seen nothing but good reviews.

I have a Metric Mechanic 3.15 3 disc LSD. I've been pretty happy with it, DSC comes on a lot less often. It does make my rear end a little more "lively".
Quaife is noise free. If anyone is saying Quaife is noisy, I want to know about it. I have not had anyone with a properly installed Quaife complain about a noise issue.

Quaife is what 99% of you need for your street/HPDE/Track Day car. Leave the clutch/plate type of LSD for a track only car unless you are ready to deal with added noise, frequent fluid changes and rebuilds.

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Old 06-30-2010, 03:55 AM   #42
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I have to correct my earlier statement...its the Kaaz diffs some complained were noisy. Not the Quaifes.
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Originally Posted by HP Autowerks View Post
Quaife is noise free. If anyone is saying Quaife is noisy, I want to know about it. I have not had anyone with a properly installed Quaife complain about a noise issue.

Quaife is what 99% of you need for your street/HPDE/Track Day car. Leave the clutch/plate type of LSD for a track only car unless you are ready to deal with added noise, frequent fluid changes and rebuilds.

Harold
I made a boo-boo...I meant Kaaz.
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Old 06-30-2010, 07:07 AM   #43
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Leave the clutch/plate type of LSD for a track only car unless you are ready to deal with added noise, frequent fluid changes and rebuilds.
A well built clutch type isn't the nightmare you seem to imply. I have absolutely zero complaints about mine after 2.5 years and 40k miles of use and wouldn't hesitate to recommend this type of diff to others.
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Old 07-06-2010, 08:10 AM   #44
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how often do you need to change the fluid ?
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Old 07-06-2010, 10:10 AM   #45
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how often do you need to change the fluid ?
In street use, I change the fluid every 10k miles... same as I did with the stock open diff.
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Old 07-08-2010, 08:00 AM   #46
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Just got an email from WAVETRAC they will be releasing a 330i version of their LSD in August of this year.
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Old 07-08-2010, 08:47 AM   #47
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Frustrating. I wonder if you'd be breaking halfshafts if there was a smoother diff dishing the power out*

*I'm not saying Quaife necessarily - but something less brutal than the Kaaz maybe
well, the first set of breakages was mid-drift. Traction wasn't present, so the diff was just locked, there was no rough engagement at the time. The second breakage, the diff was also being smooth, it was straight line acceleration. The diff is harsh, no question, but in a straight line, there's no other diff I'd want. In a straight line, this one is silent and smooth. It's when angle is added with the steering wheel that the harshness comes.
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Old 07-08-2010, 08:48 AM   #48
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Performance Gearing told me that "The Kaaz units will always make noise by design, because both the discs and plates are made of steel alloy, with no coating on either, and (PG units) don't chatter because the discs are ceramic coated".
I think it's just because lockup is beyond 95%... I've heard from some Kaaz owners in the JDM scene that when lockup is turned down, below 80%, it becomes pretty bearable.
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