12-27-2016, 02:10 AM | #67 |
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What about turbo lag? It's already an issue in this car stock right?
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12-27-2016, 05:41 AM | #69 | |
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C&D got 113 for both 6MT and DCT with their "perfect" conditions test. Add 80-90 crank and I think we'll be trapping F8x M3/4 speeds. Not too shabby.
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auf Deutsch1913.00 |
12-27-2016, 11:14 AM | #70 | |||||||||||
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Also, the turbo itself requires requires factory-level tools such as BMW ISTA (or equivalent) to adjust wastegate for proper operation so that part of it is NOT a DIY task. Quote:
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Stock TRQ HP 1750 366 122 2000 371 141 2250 383 164 Stage 4 Dinan TRQ HP 1750 421 140 2000 405 154 2250 420 180 Quote:
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Tune: 1.5 hours Exhaust: 1.2 hours Resonator Delete: 1.2 hours Intake: 1 hour Intercooler: 4.5 hours Turbo: 5 hours Quote:
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See above. Quote:
See a couple responses above. Ive' never noticed any meaningful turbo lag on the car in either stock or tuned formats. |
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12-27-2016, 12:17 PM | #72 |
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Not at all. M235i S3/S4 have been around for about a year. Plenty of press drives on our shop M235i Development car as well. I think that car is still at one of our dealers in St. Louis assuming it wasn't sold.
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12-27-2016, 12:59 PM | #73 |
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Dinan thank you for all responses but have a couple more questions.
1.Do you upgrade the Diverter Valve? If not would it be a problem if we already have the DV+ from pure and would it work with the big turbo setup? 2. Also upgraded inlet pipe from pure would this affect the setup? |
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12-27-2016, 01:23 PM | #74 |
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This is definitely an exciting development! I'm curious how much track testing went into this kit? Any test time on r-comps/hoosiers?
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12-27-2016, 01:27 PM | #75 | |
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2. Upgraded inlet pipe would also work fine with the setup if desired. |
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12-27-2016, 01:30 PM | #76 |
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Nothing with any R compound tires but it and the M4 are regular visitors at Sears Point / Sonoma Raceway with Michelin PSS's and Pirellis P-Zero's. Seemingly go through 2-3 sets a month on each of those cars.
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12-27-2016, 01:49 PM | #78 |
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My local dinan dealer quoted me at $1355 for installation of everything in the P2 power package except for the exhaust (I already have the MPE and this is already expensive enough as-is lol). Figured the rest of you guys might want a rough idea of what it would cost to install. (and I'm sure it can vary greatly from one dealer to another)
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AndrewC198910932.50 njw58.00 |
12-27-2016, 02:11 PM | #80 |
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Double checking some items...
The stock M2 turbo is machined and fit with a larger impeller/compressor? Understanding it will take longer, is it possible to get back "my" turbo? If I prefer, I can use the stock intake and/or exhaust, correct. Have there been any reported drone issues with Dinan exhaust or Dinan exhaust with resonator delete like there has recently been w/the MPE? Increasing the boost, HP, TRQ will there be any future issues with head gaskets, driveshafts, etc. or are the existing parts "well within" spec? |
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12-27-2016, 02:36 PM | #81 | |
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2. You can use the stock intake and exhaust if desired. 3. The resonator delete is removing a device specifically there to reduce drone so with that in the car I will not promise anything. To my ears I don't hear a drone with the resonator delete but sound is a fickle thing and everyone has their own tolerances. To date I have never heard of any complaints on the M2 system and drone however. 4. Everything is "within spec" and you shouldn't have any issues. A great deal of testing and key cycles have been run on the development cars to ensure that. If you do have issues for some reason though you have the warranty to fall back on. That's what it is there for. |
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12-27-2016, 02:38 PM | #82 |
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Is your upgraded fuel pump necessary for the big turbo upgrade? If not, what are the benefits of adding it to one's car?
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12-27-2016, 02:45 PM | #83 | |
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AndrewC198910932.50 njw58.00 |
12-27-2016, 02:56 PM | #84 | |
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The stock car has a saddleback fuel tank with a small tank as the feeding tank to the engine. Under heavy load and a less than full tank it is possible to drain the feeding tank before the existing pump has had a chance to replace fuel from the storage tank. This leads to the DME cutting power as the system is demanding fuel it cant supply to the engine. The revised pump eliminates that possibility so the transfer from the storage tank to the feeding tank is always constant. The M2 and M235i both share this flaw moreso then the other models but as noted it requires some specific driving habits to really need to address. The most 'normal' of those situations would be in a drag race (longer distances) where you are full throttle for a relatively long period of time. |
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12-27-2016, 02:57 PM | #85 | |
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12-27-2016, 02:58 PM | #86 |
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My (certified) dealer just told me that he can pre-order the stage 4 stuff just as long as I'm within range time wise of installing, like 6 months or so. My plan is late Spring so my bank account can recover a bit. Pretty cool of him. He even applied the 10% discount on my intake and exhaust (already installed) given my promise to do the P2 package. I'm willing to be he eats the $1500 core charge as well. I lucked out having a certified dealer and wish more BMW dealers were. It really makes modding life easier.
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12-27-2016, 03:04 PM | #87 | |
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Thanks! So if I plan on tracking the M2, should I install the fuel pump before I upgrade to the bigger turbos or with the bigger turbo? The reason I am doing this in stages is because I want to run a full season on somewhat stock power before upgrading to the bigger turbos the next season. I plan on doing the intake and intercooler for this up coming season so that heat won't be a problem. Now the questions is if the fuel pump is necessary without a tune? Thanks again!
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12-27-2016, 03:12 PM | #88 | |
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