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07-22-2007, 12:54 AM | #1 |
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M3 single piston caliper brakes, 135i multi piston calipers
This is BMW's press release for the 135i:
M-inspired performance for the 135i Coupe The 135i Coupe offers more performance and a striking look thanks to M-inspired components. Features include an Aero kit for additional downforce at speed, better brake cooling and enhanced aesthetics while the Sports Suspension offers higher traction and reduced body roll with 18-inch wheels and performance tires. The Sports Suspension also includes with a high-performance brake system incorporating six-piston fixed calipers on the front and two-piston fixed calipers at the rear. Isn't this ironic? Maybe the 135i will inspire the the M division. I know the M3 will have excellent stopping distances. However, IMO stopping distances are vastly overated and don't mean much on the track when brake fade sets in with the 3600 lb M3 misile after a few laps, due to a lack of multi piston calipers to better distribute the heat. The true test of brakes is if they remain fade free even when punished lap after lap ala Porsche and maybe even the 135i. Last edited by ruff; 07-22-2007 at 01:13 AM.. |
07-22-2007, 01:00 AM | #3 |
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This topic has been beaten to death on Bimmerfest. I will definitely wait for reviews and will pull the tirgger only after I test drive myself. If not an E46 M3 ZCP seems much better option to me.
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07-22-2007, 01:04 AM | #4 | |
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Not exactly
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I also don't think stopping distance is overrated. It depends to some extent on the track: a 100km/h - 0 stopping distance is oubviously more important in something like auto-X as opposed to real track work. Braking distance says some important things about your chassis, suspension, tires and brakes! Stopping distance obviously means squat though if you have a fade problem. All that being said I can't say I would not like giant multi-piston calipers on the M3, but if the brakes perform that is clearly much more important than their looks. |
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07-22-2007, 01:12 AM | #6 |
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Uhhhh
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07-22-2007, 01:16 AM | #7 |
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07-22-2007, 01:25 AM | #8 |
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Come on
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07-22-2007, 05:11 AM | #9 |
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Seen this, and they were Brembo calipers. I was surprised and wondered if this implied BMW would change the M3 to a fixed (rather than sliding) caliper, but they didn't.
Here is a picture of the M3's from our test in Marbella |
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07-22-2007, 06:24 AM | #10 |
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Great picture, Steved.
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07-22-2007, 09:41 AM | #11 |
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the braking performance is NOT depends on how many piston a caliper has! also, the stock BMW brakes, even tho isn't the best, but they are not bad at all!! just give it a good set of race pads, and you will be fine!! don't believe me? see a pic that a track side photographer took a couple years ago for me. pay attention to the front disc!! it's 100% non photoshop'ed btw!!
I was just running euro rotor w/ a set of Hawks HT-10, and all day long I have no problem w/ the brakes at the track! well, I must confessed at the end, I did eventually swap to a set of brembos tho. but main reason is b/c I got it at a very good price!
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07-22-2007, 12:18 PM | #13 |
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Oh ya, I forget, you are pleased the M division went with the single pots. Now you can enjoy the essence and aroma of your scorched premium track pads, sitting behind the wall of the track, while underpowered Cayman's and the like fly by lap after lap on standard brakes. It's simple physics, multi pots distribute heat better and more evenly than single pots. But you don't believe this because you know BMW has better brakes than Porsche as evidenced by their superior braking performance at the track, right?
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07-22-2007, 01:17 PM | #15 | |
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Nope
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Also your post is very presumptive that the new car WILL have MASSIVE brake problems. ASS U ME... I never stated nor argued that BMWs have better brakes than P-cars, nor did I say they would outperform at a track, period. P ceramic systems are quite phenomenal on all fonts, performance hot and cold, fade, wear and even cosmetic isues such as looks and brake dust. I only pointed out that thus far some stopping distances are superior for the M3 and for a much heavier car this is significant. BTW which part of this did you missCheers. |
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07-22-2007, 01:31 PM | #16 | |
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Quote:
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07-22-2007, 01:48 PM | #17 |
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Duh
Ugh, my bad. I thought your reply was quoting me for some reason. Blurry eyes from some good tequila last night maybe... na, just careless misreading. Sorry about that.
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07-22-2007, 01:51 PM | #18 |
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07-22-2007, 02:17 PM | #19 |
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07-22-2007, 02:25 PM | #20 | |
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Cracking
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I can't quite tell if they complimentary or insulting or a bit of both... Last edited by swamp2; 07-22-2007 at 09:46 PM.. |
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07-22-2007, 02:35 PM | #21 | |
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07-22-2007, 03:10 PM | #22 | |
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