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07-24-2012, 04:43 PM | #221 | |
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07-24-2012, 05:17 PM | #222 | |
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Why they used verts(Base, GS) for track testing, I'll never know. Kinda shows right there, they're not serious about being keeping all equal. Again, testing on one day, on one track doesnt prove anything in the long run. Oh, and I'll take the C6R for myself. |
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07-24-2012, 05:40 PM | #223 | |
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07-24-2012, 05:55 PM | #224 |
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Agreed, which is why I'm pleased to see someone like Obioban in complete agreement with me.
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07-24-2012, 07:34 PM | #225 | ||
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Head, head is also designed around that rpm with the port length/size (can pretty easily be polished and flowed out a bit more) same with the intake manifold.. With the itb's flow is no issue of course, and possibly with mmw's new intake for their supercharger, though the efficiency of it will almost certainly be built around stock or stock-ish limit with sc's not working well at high rpm anyway.. (heat efficiency) - if you were building an all-motor n52, with what you can do to it, breathing at 8000rpm is totally achievable if your desire is big and pockets deep lol - itb's not only need a custom manifold to fit (modded from an e46 m3 i believe) but full aftermarket ECU to control it all and work with the MAF delete.. As well as above modified cam profile and ported/matched head |
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07-24-2012, 08:30 PM | #226 |
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When I did the 2 day M school the thing I noticed most about the M3, M5 and M6 was not the engines. It was the brakes. I've driven my 128i in several autocrosses on the same track and it's brakes feel about the same but only for the first stop. After one really hard stop, like the M cars got every turn, my 128i has noticable fade I did not detect on the M cars. The brakes still work well but not as well as the first hard stop.
I'm not trying to argue that the M motors were not fun, just that the brakes were more noticably different to me. I've driven other cars with that much motor, but I have not driven other cars with such great brakes. It's not on a short term list for me but I've been thinking about a brake upgrade. Jim
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07-24-2012, 08:57 PM | #227 | |
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On topic the braking does fade a bit. I wonder if better cooling would help out. Just an idea, it might be a cheaper solution. I'm not sure how well it would do on let's say an autocross track but it may be worth a shot. |
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07-24-2012, 09:03 PM | #228 | ||
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07-24-2012, 09:25 PM | #229 |
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I don't have much contribute here, but, i got to say this thread is great! for someone like me, who wants to track my 128i in a couple years, I'm learning a lot here!
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07-24-2012, 09:59 PM | #230 | |
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07-24-2012, 10:18 PM | #231 |
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Im here to learn lol.
between BBK, what sets let say brembo apart from other bbk kits. What are those desired characteristics
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128i Sport 6MT converted to Euro 130i spec, 3.73 diff, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: //M front arm, M3 rack, e36M lip Wishlist: Coils, n55 mnts, headers, LSD, e60 finn diff "The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is |
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07-24-2012, 10:22 PM | #232 | |
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Stoptech and brembo would likely perform similarly with same pads/discs.. Brembo has the 'its brembo' extra fee.. Even stoptech has a bit of that too, just less. |
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07-24-2012, 10:53 PM | #233 | |
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The 135's Front rotors(13.3") are an inch and a half larger in diameter and thicker also. The rears(12.8") are an inch larger and thicker also. Nearly the same size as the OEM Z51 Corvette rotors. That is a lot of extra swept area and a much larger heat sink to absorb and radiate heat. The calipers are much larger with multiple pistons to clamp the rotors firmly and evenly from both sides, larger pads help disipate heat much better and puts much more material on iron, common sense tells us thats better. Quite a few 128 owners have swapped them onto their cars with very good results. Thats one option that works well and is a realitively inexpensive one. You could go with a big buck BBK but I think they're overkill for this application. Last edited by NYC6; 07-25-2012 at 07:40 AM.. |
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07-25-2012, 06:49 AM | #234 |
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NYC6's post makes sense to me. I don't think you can do a whole lot with pads and cooling. I would think cooling would make a bigger difference if you were on a higher speed track than an autocross. The way they set up the performance center for an autocross you don't go over about 70mph. So you stop really hard if you are driving appropriately but are only on the brakes for a few seconds. If you were doing this from 100+, I think the cooling would be more of a factor. Perhaps that argues that pads would work, however, for an autocross situation. When my brakes get close to replacement and/or I am out of the warranty/maintenace period I'll try it - if I don't put on some bigger brakes first. Anybody got stock 135 brakes to sell? Anybody looked at putting on the M3 brakes like the 1M has?
The two day M-school is a great experience. You will learn to control oversteer and understeer. You will learn to properly take corners at high speed. They let you take the big turn on their course at around 100 mph. If you hit it hard enough, the only thing you have to do to hit the second apex is lift slightly on the throttle. It changes your course noticably, neat. There are several skidpad exercises and lots of driving on the track. There is very little time in a classroom, almost all driving. Driving the M3, M5, and M6 was an experience by itself. You are encouraged to drive them hard. I just wish they had the 1M there when I did it. I keep thinking (but not acting) of going back. If you decide to do it or are considering the costs, please remember that you get a serious discount if you are a BMWCCA member. I think it's 15%. So if you aren't a member, join first and save several hundred dollars. The price is significant but it includes your room and meals and some goodies (helmet, shirt, jacket). Jim
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07-25-2012, 07:55 AM | #235 | |
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07-25-2012, 09:58 AM | #236 |
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Non technical:
I bought a set of these e87 Msport splitter replicas NON Carbon to fit & test for 128i front ( should fit e88 and e87 LCI front) This is a buy now link, they had an auction for $10 less http://www.ebay.com/itm/BMW-E87-1-Se...item27c94bf116
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128i Sport 6MT converted to Euro 130i spec, 3.73 diff, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: //M front arm, M3 rack, e36M lip Wishlist: Coils, n55 mnts, headers, LSD, e60 finn diff "The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is |
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07-25-2012, 11:17 AM | #237 |
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How does one load ECU software from a different model, such as Z4 3.0si?
What tools are needed? What software is needed?
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128i Sport 6MT converted to Euro 130i spec, 3.73 diff, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: //M front arm, M3 rack, e36M lip Wishlist: Coils, n55 mnts, headers, LSD, e60 finn diff "The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is |
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07-25-2012, 12:05 PM | #238 | |
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Problem is, i believe the software has special codes, so if you car isn't a Z4, it won't work.
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07-25-2012, 01:03 PM | #239 | |
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Those coders are just branded tool by the shops. Im talking about in general, say I want to go hacking and remap my car to 3.0si z4 in order to take more advantage of DISA. Or to download my software to analyze BRAKES: Would you guys ever use used 135i brake calipers to build el-cheapo BMP BBK?
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128i Sport 6MT converted to Euro 130i spec, 3.73 diff, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: //M front arm, M3 rack, e36M lip Wishlist: Coils, n55 mnts, headers, LSD, e60 finn diff "The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is |
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07-25-2012, 04:24 PM | #240 | |
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For the brakes I would not. Larger brakes ≠ BBK. It's a half assed measure that gives you a product with known issues. Do it right the first time so you only have to do it once.
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07-25-2012, 04:52 PM | #241 | |
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07-25-2012, 04:54 PM | #242 |
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What kind of toll do u need and where do u get the maps to flash?
yes I know 135i/bmp calipers aren't ideal. But for just street use, would u use used calipers to avoid 128i BMP Kit
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128i Sport 6MT converted to Euro 130i spec, 3.73 diff, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: //M front arm, M3 rack, e36M lip Wishlist: Coils, n55 mnts, headers, LSD, e60 finn diff "The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is |
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