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  1. #26
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    Click here to enlarge Originally Posted by mjmarovi Click here to enlarge
    What about swapping in an M3 diff? I would need the complete final drive and half-shaft correct? How does the M3 diff compare to the Wavetrac or Quaife or OS Giken?

    You would need the rear, half shafts as well as the m3 driveshaft. You would then need to cut the stock and m3 driveshaft, weld them together, then get the custom driveshaft balanced. At this point you'll probably then want to change the rear end ratio to something a little taller, since the m3 is geared pretty low.

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    Click here to enlarge Originally Posted by Ryan Mills Click here to enlarge
    You would need the rear, half shafts as well as the m3 driveshaft. You would then need to cut the stock and m3 driveshaft, weld them together, then get the custom driveshaft balanced. At this point you'll probably then want to change the rear end ratio to something a little taller, since the m3 is geared pretty low.

    Hmmm not worth it...lol I think may look into the brakes from an M3 though. Are the brakes at least a pretty simple substitute?
    2009 335i coupe back to stock...for now

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  3. #28
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    Brakes, maybe... I really never had a fade issue with the stock 335 stuff, even after acting like an idiot. If I tracked the car, I think the brakes might be worthwhile, but if it's street drivecn, stock should be good to go, maybe newer pads, but that's it.

  4. #29
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    M3 brakes are rather terrible. I wouldn't waste your time.
    2011 E90 M3 \ Melbourne Rot Metallic

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  5. #30
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    It's not that the brakes are terrible they're actually quite good. It's that they fade and this is easily remedied.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
    M3 brakes are rather terrible. I wouldn't waste your time.
    And that's why they resulted in the shortest (100ft) testing from 60MPH-0 ever tested by Edmunds?

    I believe they are a brembo brake correct? Just not slotted and drilled rotors, and like 4 piston instead of 6 piston?
    2009 335i coupe back to stock...for now

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    It's not that the brakes are terrible they're actually quite good. It's that they fade and this is easily remedied.
    Is the fading cause of the stock rotors?
    2009 335i coupe back to stock...for now

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  8. #33
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    Click here to enlarge Originally Posted by mjmarovi Click here to enlarge
    And that's why they resulted in the shortest (100ft) testing from 60MPH-0 ever tested by Edmunds?

    I believe they are a brembo brake correct? Just not slotted and drilled rotors, and like 4 piston instead of 6 piston?
    Its the fading that is the issue, needs a track spec pad. Are you guys talking about E9X brakes? Single piston floating caliper. Nothing special.
    2011 E90 M3 \ Melbourne Rot Metallic

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  9. #34
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    Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
    Its the fading that is the issue, needs a track spec pad. Are you guys talking about E9X brakes? Single piston floating caliper. Nothing special.
    Hmmm I guess I'll just stick with stock for now. Maybe better pads and rotors and some stainless steel lines would be a good start and hold me over for a year or two until I decide to drop major cash on Brembo or Stoptech.

    Edit: I don't plan on tracking it, dragstrip sure, but no issues there
    2009 335i coupe back to stock...for now

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    1 out of 1 members liked this post. Reputation: Yes | No
    brain fart:


    8.8 explorer IRS aluminum differential assembly.
    fab mounts.
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    stuff an Eaton E-locker in it. (limited slip, electric spool when turned on)
    whoop ass accordingly.



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  11. #36
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    Click here to enlarge Originally Posted by mjmarovi Click here to enlarge
    Is the fading cause of the stock rotors?
    The rotors are pretty damn good and a nice size. It's more the stock lines, pads, and calipers.

    A company makes an upgrade for the stock system and you don't need a BBK to make it track worthy. I kind of laugh at the guys who get BBK's for looks and then can't even fit 18's or 19's.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    The rotors are pretty damn good and a nice size. It's more the stock lines, pads, and calipers.

    A company makes an upgrade for the stock system and you don't need a BBK to make it track worthy. I kind of laugh at the guys who get BBK's for looks and then can't even fit 18's or 19's.
    Mind pointing me in this direction of this kit? If it's any good I may consider sitting Sproles the week we play each other....LOL
    2009 335i coupe back to stock...for now

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  13. #38
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    Click here to enlarge Originally Posted by mjmarovi Click here to enlarge
    Mind pointing me in this direction of this kit? If it's any good I may consider sitting Sproles the week we play each other....LOL
    I'd have to remember the name...

    I just don't have the time to go googling for you right now though but I'm sure you will find it with some minimal effort .
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    I'd have to remember the name...

    I just don't have the time to go googling for you right now though but I'm sure you will find it with some minimal effort .

    Just had to ruin my fun huh? I was hoping for different response...but FYI the kit is by AMS and will hopefully by on my car in the near future.

    http://www.amsperformance.com/cart/a...e_package.html
    2009 335i coupe back to stock...for now

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  15. #40
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    Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
    M3 brakes are rather terrible. I wouldn't waste your time.
    really?

    better than 335i/135i brakes.

    i JUST got my 135i brakes, but i was thinking of upgrading to the 1M/M3 brakes.. much much larger rotors, even with 'worse' calipers.

    Click here to enlarge Originally Posted by mjmarovi Click here to enlarge
    And that's why they resulted in the shortest (100ft) testing from 60MPH-0 ever tested by Edmunds?

    I believe they are a brembo brake correct? Just not slotted and drilled rotors, and like 4 piston instead of 6 piston?
    not brembo, single piston floating.

    Click here to enlarge Originally Posted by mjmarovi Click here to enlarge
    Is the fading cause of the stock rotors?
    360/350mm...

    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    The rotors are pretty damn good and a nice size. It's more the stock lines, pads, and calipers.

    A company makes an upgrade for the stock system and you don't need a BBK to make it track worthy. I kind of laugh at the guys who get BBK's for looks and then can't even fit 18's or 19's.
    are you talking about M3 or 335i brakes at this stage? haha
    boop

  16. #41
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    Click here to enlarge Originally Posted by mjmarovi Click here to enlarge
    Just had to ruin my fun huh? I was hoping for different response...but FYI the kit is by AMS and will hopefully by on my car in the near future.

    http://www.amsperformance.com/cart/a...e_package.html

    i thought they were talking about M3 brakes?

    335i brakes.. well that kit is a ripoff.. $130 for SS lines, $60 for fluid.. $300 pads, $400-$500 rotors.. sold to you for the bargain price of $1250!
    boop

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    Click here to enlarge Originally Posted by Flinchy Click here to enlarge
    i thought they were talking about M3 brakes?

    335i brakes.. well that kit is a ripoff.. $130 for SS lines, $60 for fluid.. $300 pads, $400-$500 rotors.. sold to you for the bargain price of $1250!

    lol, I didn't mean the kit on my car, more over the parts....there are other kits I found though
    2009 335i coupe back to stock...for now

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  18. #43
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    Click here to enlarge Originally Posted by mjmarovi Click here to enlarge
    Just had to ruin my fun huh? I was hoping for different response...but FYI the kit is by AMS and will hopefully by on my car in the near future.

    http://www.amsperformance.com/cart/a...e_package.html
    That's not even the one I was thinking of but not bad.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

  19. #44
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    Click here to enlarge Originally Posted by Flinchy Click here to enlarge
    are you talking about M3 or 335i brakes at this stage? haha
    M3 of course.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    M3 of course.
    thought so
    boop

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    Click here to enlarge Originally Posted by Ryan Mills Click here to enlarge
    You would need the rear, half shafts as well as the m3 driveshaft. You would then need to cut the stock and m3 driveshaft, weld them together, then get the custom driveshaft balanced. At this point you'll probably then want to change the rear end ratio to something a little taller, since the m3 is geared pretty low.
    Actually, the M3 DCT final drive is nearly the same as the 335i MT.

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    Click here to enlarge Originally Posted by rwalker Click here to enlarge
    Actually, the M3 DCT final drive is nearly the same as the 335i MT.
    Which is why you would want to change it....as most do who have an MT and have their rear diff. built, they usually go swap to the 6AT gears.
    2009 335i coupe back to stock...for now

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    Click here to enlarge Originally Posted by mjmarovi Click here to enlarge
    Which is why you would want to change it....as most do who have an MT and have their rear diff. built, they usually go swap to the 6AT gears.
    128 vs. 141 at 7000rpm in 4th from 3.15 to 3.46, does it really matter? Point is you can get a salvaged m3 entire rear end (bushings, halfshafts, subframe, hubs, and brakes) for as much as a quaife install would cost...

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    Click here to enlarge Originally Posted by skyguy Click here to enlarge
    128 vs. 141 at 7000rpm in 4th from 3.15 to 3.46, does it really matter? Point is you can get a salvaged m3 entire rear end (bushings, halfshafts, subframe, hubs, and brakes) for as much as a quaife install would cost...
    Yes, it does matter if you go to the track. Why use gear ratios designed for a 7 speed trans?

    Bushings upgrade is worth it anyway, but yes, I already came to conclusion it's not worth it. I'll be going wavetrac or quaife in near future. Has to wait though as I am getting the Active Autowerke full exhaust system Wednesday! woohoo!!
    2009 335i coupe back to stock...for now

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    Click here to enlarge Originally Posted by mjmarovi Click here to enlarge
    Just had to ruin my fun huh? I was hoping for different response...but FYI the kit is by AMS and will hopefully by on my car in the near future.

    http://www.amsperformance.com/cart/a...e_package.html

    Can do better than that price wise. DBA rotors are ok, not that special. I would rather use stop tech 2pc aero rotors with aluminum hat to reduce in sprung weight and less tendency to warp. This would be a light upgrade. Hawk pads has are good for the street too, just not as much initial bite as the oem pads. We could do this upgrade in an afternoon...

    harry

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