View Poll Results: M-Sport Brakes, Yes or No | |||
Yes | 37 | 45.68% | |
No | 44 | 54.32% | |
Voters: 81. You may not vote on this poll |
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05-03-2012, 11:14 AM | #23 |
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05-03-2012, 11:15 AM | #24 |
Sarcasm free with all posts.
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05-03-2012, 11:40 AM | #25 |
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Do we have any stats on stopping distance when you have M brakes. I think 60-0 is 115ft or 119 something like that which is bad what about with M brakes.
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05-03-2012, 11:49 AM | #26 |
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Motor Trend, F30 335i, 60-0 109 ft
P.S. 115-119 is not "bad." Moreover, oddly, the average driver will use less than 50% of maximum braking available - even in an emergency. Drivers are typically afraid of the performance of any vehicle, even one in which they are comfortable. It is weird. |
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05-03-2012, 01:05 PM | #27 | |
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http://www.insideline.com/bmw/3-seri...and-video.html "Braking is disappointing, too. The 2012 BMW 328i stops from 60 mph in 115 feet, and shows fade by the fourth stop. The A4 stopped in 103 feet, and the last 335i we tested managed 109 feet as did the G25." It is what it is i think every feet is very important when it comes to emergency. Before in different occasions i end up stopping few inches before i rear ended someone. People do not realize but your tires and your brakes are one of the most important factors to avoid an accident. Of course besides Human mistakes. |
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05-03-2012, 01:16 PM | #28 |
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The Edmunds test was on those horrible P7's, right? I'd imagine a change to a better tire would put it right back in the 105-110 ft range. Even if that thing had the brakes off a Panamera Turbo S but still had the P7 tires, it would probably still have 115" performance.
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05-03-2012, 01:31 PM | #29 | |
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But let's just say if the average driver only use 50% of the maximum braking available and there are two choices... 1) Car that stops in 109 ft and 2) Car that stops in say 119 ft That's a difference of 10 ft. Now that's at threshold 100% maximum braking. Now if the average driver only uses 50%, then you would add distance to it. So, let's say 3-5 ft as it's not a linear progression or 13 to 15 feet. That's a full BMW f30 3-series car length you just smashed through. Brakes, tires and suspension in my mind is in the category of safety equipment for me especially in higher HP cars. These are places where good enough or capable is not acceptable. I've said it before and I'll say it again. Tires and brake pads will be the most cost effective way to get these cars to stop quicker. Even the european market factory pad would probably get you better stopping distances. Do I want these performance brakes... hell yes. But can I justify the price when a set of pads will do 99.999% as well for that 1 emergency braking... not really. |
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05-03-2012, 01:39 PM | #31 | |
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05-03-2012, 01:43 PM | #32 | |
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A street driver is not going to be held back by the stock brakes. Yes, at the track, they are going to fade - but you are not going to be making a multiple back to back threshold stops from 80mph on the street. If you are, there are much more important considerations to take into account - such as venue. I appreciate that many of you think you bought a sports car and your skills are such Sebastian Vettel would fear you if only you had access to better equipment. My years of instructing at the track tells me otherwise. Rare is the street driver that is even beginning to use the performance of his car, especially braking and cornering. |
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05-03-2012, 01:54 PM | #33 | ||
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Pads are a tough call. For the street we need excellent cold performance, not too much initial bite (sudden lockup increases stopping distance), easy modulation, etc. Race pads are exactly what you do not want. If you can readily invoke full ABS from a high speed stop, bigger brakes and more aggressive pads are not going to stop the car faster. Better tires will. Bigger brakes and more aggressive pads will help you do more of such braking back to back. So, how often does everyone change their oil? |
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05-03-2012, 02:03 PM | #34 |
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05-03-2012, 05:20 PM | #35 | |
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This series of posts as to brake preferences has taken on the same texture as oil change discussions. I apologize for my apparent obtuseness. Stop worrying about stats; you don't drive third-party measurements. Buy the brakes if you think they look good and the appearance is worth the money to you. You don't need them for performance. |
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05-03-2012, 10:12 PM | #36 | |
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I had a set of Brembo cross drilled and slotted rotors on a former car. They did look REALLY cool. However, performance wise, for daily driving, they were not as good. I also installed friction carbon pads when I did the rotors. They needed more heat to feel the extra bite over stock. So, for daily driving they were not as good as they looked. Also, drilled rotors introduce a sound/noise that some don't expect. The holes provide extra cooling and lower the overall weight, but they also allow air to move through them. On braking the air rushing past the holes makes a unique sound/noise that I didn't care for. The benefit to drilled rotors are mainly seen for track use where the holes and slots provide escape for gases that come off the pad. Also, the holes allow the rotor to cool off faster and that is beneficial for track use as they are less prone to brake fade. In daily use I don't think the BBK will give better braking. If there are better pads that may help a bit, but most braking is from the tires. I'd say better tires before a BBK for daily driving. If you're tracking then both better tires and BBK. Cosmetically and cool factor go to the BBK with drilled rotors for sure. But function trumps cool factor for me, and I don't track, not yet. |
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05-03-2012, 10:16 PM | #37 |
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05-03-2012, 10:17 PM | #38 | |
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Tires, tires, tires. Much bigger difference for braking than the size of M rotors vs stock, imo, until we see some actual testing using same tires with only the M rotors and calipers being different. Do the Msport brakes come with different pads? To compare the 328i to the 335i we need to know the difference in the tires used on each car. The A4 uses 245 all around. 328i uses 225 all around, as does the 335i, unless you get the 19's which use 225 up front and 255 rear. Still, what are the tire differences, meaning what type of tire on each car? |
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05-03-2012, 10:40 PM | #39 |
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Honestly I like the P7s, they really do the job for me. Now mind you I'm no speed demon, road warrior or what have you. And I'm trying to stick to the break-in period limits.
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05-04-2012, 01:25 AM | #41 |
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Drives: 2012 328i F30, 1984 325e E30
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Are the M Performance Brakes compatible with the Modern Line Wheels? Or do I have to get the M Performance (or 20") rims as well?
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2012 BMW 328i F30 - Mineral Grey Metallic, Oyster Leather
1984 BMW 325e E30 - Baltic Blue, Tan Leather |
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05-05-2012, 09:53 AM | #42 |
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Ok, just had a look at tests done by a number of European publications, the stock brakes seems to be competitive with others such as C-class & Audi A4/5.
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05-05-2012, 09:56 AM | #43 | |
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05-05-2012, 02:56 PM | #44 |
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My opinion is that for daily driving upgraded brakes are over-rated.
My DD is an EVO with Brembos and I can honestly say I believe they provide no advantage for commuting over, say, the stock brakes on a Passat. Tires are going to be as or more important. As has been highlighted above by others, I believe, the upgraded brakes are going to provide benefits like fade resistance which unless you treat your commute like Time Attack are, IMO, not going to be observable. That said, the pricing on the package seems quite reasonable. As some have said, go look up an after-market Brembo or Stoptech kit - this is surprisingly cheaper. |
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