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BMW 3-Series (E90 E92) Forum
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Brembo BBK front install on E90
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02-21-2007, 10:53 PM | #46 |
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Glad you're happy with the kit, Michael! Contact us when you're ready to do the rear, as well!
For those of you interested in pricing... contact us or visit our website. We will do free shipping on brembo kits, too! We also give special deals if you purchase more than one kit! Thanks JL |
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02-21-2007, 11:13 PM | #47 |
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BAM!!! Emeril has nothing on this!!
Danny
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02-22-2007, 12:09 AM | #48 |
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He's a doctor. He DIDN'T kill anybody...to be making to kind of money he's making...
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02-22-2007, 04:23 AM | #50 |
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ksfrogman you have one of the nicest E90s in all the land! It's a real shame socal gets YOU and longtran. why can't norcal get anything someday i'll see those in person. don't sell the cars til i do! or sell em to me
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02-22-2007, 04:54 AM | #51 |
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i wish i had money!
Great job ksfrogman!
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02-22-2007, 09:56 AM | #53 | |
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Quote:
I am no engineer, but as you know, surface area is two-dimensional, i.e., Area = height x length. The stock rotor actually has a surface that is approx. 2.25 inches high. I took my yardstick back out to the garage (sorry I don't have calipers with me). However, the outer diameter of the stock rotor is about 1" less than that of the Brembo one. The diameter of the wheel too is directly proportional to surface area since Area of a circle = pi*r^2, isn't it? You can calculate the difference between the larger circle (O.D.1) and smaller circle (O.D.2) and come up with surface area if you're really that curious, but this is a moot point, because frictionally speaking, what also matters is the braking surface and pressure exerted on that surface. The aftermarket brake pad surface seems larger than that of the stock one, which uses only 2 pistons. Example: Back to the issue of outer diameter. Think of yourself as an ant that is racing around a circular track (i.e., my brake rotor). If you're walking on a brake rotor that has an outer diameter of 14" vs one that is 13", your track times would be much longer on that 14" rotor. One last thought: I would think that the larger the rotor diameter, the more the rotational inertia. In dealing with unsprung weight, I would imagine it best to try minimizing that as you push the rotors outward in design. Tonya Harding spins in ice circles more quickly when her arms are closer to her body (with or without a crowbar in her hand). Last edited by ksfrogman; 02-22-2007 at 10:16 AM.. |
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02-22-2007, 10:02 AM | #54 |
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very cool, i wonde rif it looks off because the rears aren't brembos tho?
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02-22-2007, 10:07 AM | #55 | |
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I think it looks okay, because the rear calipers are incognito with the color of my wheels and car. I do think it would look better if both front and rear were Brembos though. Last edited by ksfrogman; 02-22-2007 at 11:26 AM.. |
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02-22-2007, 10:15 AM | #56 |
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looks hawt
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02-22-2007, 11:19 AM | #57 | |
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Quote:
In that case, when's the install date for the rear Brembos? You know it's on order already
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02-22-2007, 11:20 AM | #58 |
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I don't think so. Homey don't play dat.
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02-22-2007, 11:54 AM | #60 |
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haha you say that now but I am saving this post for later when you're installing the rears
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02-22-2007, 01:40 PM | #61 |
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02-22-2007, 02:00 PM | #62 |
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Did you ever concider the 15" Brembo BBK?
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02-22-2007, 09:20 PM | #63 |
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Yes, overkill IMO, and the space between the caliper and 19" wheel would have been very close from what I was told. I look at the E90 as a balancing act.
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02-22-2007, 09:43 PM | #64 |
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That kids, is how you mod a car. Quality parts
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02-22-2007, 09:49 PM | #65 |
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Thanks for keeping the 330 faithful glued to e90post. Great work on the install.
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