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  1. #1
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    Cobb with Meth and/or RB

    Anyone hear of progress in this arena? I've got an HSF-4 in the mail and not sure I can even use it effectively since my technical knowledge is not high enough to where I would be comfortable stacking tunes. I'm also very close to pulling the trigger on some RBs, but not sure if I'd see worthwhile gains just running Stage 2+ FMIC.

    Think your average ATP shop would be able to adequately tune for meth and/or RBs? Has someone possibly done this already and posted results (if so, my search skills suck)?

    There is a pro tuner up in Buffalo, relatively close to me. They've done a few N54s, but AFAIK not with meth or swapped turbos. Anybody ever hear of these guys "Innovative Tuning"?:

    http://www.nyspeed.com/showthread.ph...results-inside

    http://www.nyspeed.com/showthread.ph...12-dyno-graphs
    08 E92 335xi 6MT: Cobb/PTF Stage 3, RB Turbos, Aquamist HSF-4 @ 90/10, CM FX850, Quaife LSD, Suspension by Koni/TCK/Swift, CP-E Catless DPs, ETS 7" FMIC, BMS OCC, Stett CAI & CP/Forge DVs, UUC Evo3, OZ Alleggeritas/w PSS, H&R 20mm ASB, M3 SF bushings, Megan Racing control arms. Going on soon: WOTbox. Stett Oil Cooler

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    I would like to hear the answer too. I tHink the forum members have not been very vocal in regard to Cobb Plus RB. Seems everyone is still stacking.

  3. #3
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    Any reputable tuner should be able to tune for meth and/or upped turbos. especially if they're an authorized ATP shop.
    2011 335is DCT, moving to Italy, looking for new car friends Click here to enlarge

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    Given you're 6MT Cobb's race map for RBs will work very well on your car. Its the automatics and XIs they need to sort out due to the tranny computer.

    Your HFS-4 will wire into the ECU/DME and its failsafe will not allow the car into boost if you have any flow issues (low flow, no flow, overflow, electrical, etc)

    A pro tuner shop can definitely dial you in
    Click here to enlarge

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    Click here to enlarge Originally Posted by dzenno Click here to enlarge
    Given you're 6MT Cobb's race map for RBs will work very well on your car. Its the automatics and XIs they need to sort out due to the tranny computer.

    Your HFS-4 will wire into the ECU/DME and its failsafe will not allow the car into boost if you have any flow issues (low flow, no flow, overflow, electrical, etc)

    A pro tuner shop can definitely dial you in
    Thanks, that's encouraging, other than the xi part (I have AWD). If I do go with RBs (and it's looking that way), I'll end up pretty close to your setup other than the AWD. Do you have any advice on other stuff I might want to look at to aid performance and reliability? I like the idea of the WOTbox like you had put in. I've been staying away from a full exhaust based on the relatively low gains and the noise issues, but your experience with the HKS has me thinking as well since it reportedly fits the xi.

    My biggest concern if I go "all the way" is how long my drivetrain is going to last. I wish they'd hurry up and finish a big single on an xi and take it to the strip a few times so I can have some peace of mind lol
    08 E92 335xi 6MT: Cobb/PTF Stage 3, RB Turbos, Aquamist HSF-4 @ 90/10, CM FX850, Quaife LSD, Suspension by Koni/TCK/Swift, CP-E Catless DPs, ETS 7" FMIC, BMS OCC, Stett CAI & CP/Forge DVs, UUC Evo3, OZ Alleggeritas/w PSS, H&R 20mm ASB, M3 SF bushings, Megan Racing control arms. Going on soon: WOTbox. Stett Oil Cooler

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    Click here to enlarge Originally Posted by dzenno Click here to enlarge
    Given you're 6MT Cobb's race map for RBs will work very well on your car. Its the automatics and XIs they need to sort out due to the tranny computer.

    Your HFS-4 will wire into the ECU/DME and its failsafe will not allow the car into boost if you have any flow issues (low flow, no flow, overflow, electrical, etc)

    A pro tuner shop can definitely dial you in
    Whats the max boost Cobb now can support?
    Its been a while with the auto problems. Is this being worked on?

  7. #7
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    Click here to enlarge Originally Posted by cyniclaus Click here to enlarge
    Thanks, that's encouraging, other than the xi part (I have AWD). If I do go with RBs (and it's looking that way), I'll end up pretty close to your setup other than the AWD. Do you have any advice on other stuff I might want to look at to aid performance and reliability? I like the idea of the WOTbox like you had put in. I've been staying away from a full exhaust based on the relatively low gains and the noise issues, but your experience with the HKS has me thinking as well since it reportedly fits the xi.

    My biggest concern if I go "all the way" is how long my drivetrain is going to last. I wish they'd hurry up and finish a big single on an xi and take it to the strip a few times so I can have some peace of mind lol
    I didn't realize you were a 6MT "XI"...my car is RWD and there's no tranny computer so its easy, put in a good clutch and go...in your case is there a computer controlling anything in the XI tranny? That may/may not cause issues with programming

    Click here to enlarge Originally Posted by George Smooth Click here to enlarge
    Whats the max boost Cobb now can support?
    Its been a while with the auto problems. Is this being worked on?
    I've gone to and a bit past the limit of the stock 2.5bar sensor during testing...controlling boost is a non issue with Cobb and next up will be the 3.5bar sensor to possibly push more boost in midrange and maybe up top...once the cyl head is on I'll see how far i'd like to push it...the only current issue is figuring how to get around the auto tranny computer so it doesn't intervene with torque limiters which make for a pull where you can feel slight oscillations (talking about the 535XI with RB turbos here with a Level10 built tranny and a Wavetrac LSD in the rear, not my 6MT RWD car)...and yes, its being worked on but through remote tuning as the built 535XI is local to me (my buddy) and Cobb (Rob) is in Texas, and no one is really rushing it much
    Last edited by dzenno@PTF; 06-09-2012 at 01:02 PM.
    Click here to enlarge

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    Click here to enlarge Originally Posted by dzenno Click here to enlarge
    I didn't realize you were a 6MT "XI"...my car is RWD and there's no tranny computer so its easy, put in a good clutch and go...in your case is there a computer controlling anything in the XI tranny? That may/may not cause issues with programming



    I've gone to and a bit past the limit of the stock 2.5bar sensor during testing...controlling boost is a non issue with Cobb and next up will be the 3.5bar sensor to possibly push more boost in midrange and maybe up top...once the cyl head is on I'll see how far i'd like to push it...the only current issue is figuring how to get around the auto tranny computer so it doesn't intervene with torque limiters which make for a pull where you can feel slight oscillations (talking about the 535XI with RB turbos here with a Level10 built tranny and a Wavetrac LSD in the rear, not my 6MT RWD car)...and yes, its being worked on but through remote tuning as the built 535XI is local to me (my buddy) and Cobb (Rob) is in Texas, and no one is really rushing it much
    Did that 535xi guy talk to Level10 about their Mr Flash transmission software? They are supposed to be able to change the input torque limits. I'd assume they already talked to them about it, but just curious as the Level10 guy didn't mention it until I brought it up. Bad part is having to take your car to them since it can't be done remotely.

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    Click here to enlarge Originally Posted by amclint Click here to enlarge
    Did that 535xi guy talk to Level10 about their Mr Flash transmission software? They are supposed to be able to change the input torque limits. I'd assume they already talked to them about it, but just curious as the Level10 guy didn't mention it until I brought it up. Bad part is having to take your car to them since it can't be done remotely.
    I know that the Level10 dude talked to Rob at Cobb about it and they discussed it. If it was possible it would have been done I'm sure. Are you saying it can be done now as Dave will get it done in a heartbeat if available
    Click here to enlarge

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    Click here to enlarge Originally Posted by dzenno Click here to enlarge
    I didn't realize you were a 6MT "XI"...my car is RWD and there's no tranny computer so its easy, put in a good clutch and go...in your case is there a computer controlling anything in the XI tranny? That may/may not cause issues with programming
    Yeah, sorry, I updated my sig... I'm too used to posting on E90boast where your car info appears next to your name.

    I'm sure there is a computer controlling things, just not sure if that is going to
    pose a problem. Guess I'll need to ask Cobb.

    So do you recommend the WOT box for daily driven 6MTs or is it's usefulness pretty much limited to the dragstrip?
    08 E92 335xi 6MT: Cobb/PTF Stage 3, RB Turbos, Aquamist HSF-4 @ 90/10, CM FX850, Quaife LSD, Suspension by Koni/TCK/Swift, CP-E Catless DPs, ETS 7" FMIC, BMS OCC, Stett CAI & CP/Forge DVs, UUC Evo3, OZ Alleggeritas/w PSS, H&R 20mm ASB, M3 SF bushings, Megan Racing control arms. Going on soon: WOTbox. Stett Oil Cooler

  11. #11
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    Wotbox doesnt affect daily driveability at all...it only gets activated when both clutch and gas pedal are depressed 100% at the same time...unless you purposely do this it never happens
    Click here to enlarge

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    Click here to enlarge Originally Posted by amclint Click here to enlarge
    Did that 535xi guy talk to Level10 about their Mr Flash transmission software? They are supposed to be able to change the input torque limits. I'd assume they already talked to them about it, but just curious as the Level10 guy didn't mention it until I brought it up. Bad part is having to take your car to them since it can't be done remotely.
    as far as i know is not possible for them to flash it. Tranny is not an issue anymore with cobb. i have tested many maps and the torque control is already figured out. I checked many times the tranny module and 0 codes are thrown.
    07 335i AT - MOTIV 750 - MHD BMS E85 - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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    Click here to enlarge Originally Posted by enrita Click here to enlarge
    as far as i know is not possible for them to flash it. Tranny is not an issue anymore with cobb. i have tested many maps and the torque control is already figured out. I checked many times the tranny module and 0 codes are thrown.
    There are no codes or limp or anything like that. You can just feel a slight oscillation under WOT while in gear. The shifts are butter smooth, car launches like an absolute ANIMAL on STREET tires, its sick. Its just the slight oscillation under wot that's weird and we're trying to track that down. Maybe Dave's rear Wavetrac limited slip is screwing it up because the front is an open diff? Can this be the case? Would both front and rear diffs need to be upgraded to LSDs to get around this? Stupid XIs Click here to enlarge
    Click here to enlarge

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    I personally wouldn't do a rear exhaust again on the n54. Too much sound, but DPs yes. If one absolutely wanted an exhaust, but no drone, and only slightly above stock sound, miltek fits the bill perfectly

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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    I personally wouldn't do a rear exhaust again on the n54. Too much sound, but DPs yes. If one absolutely wanted an exhaust, but no drone, and only slightly above stock sound, miltek fits the bill perfectly
    Trust me HKS is an amazing option...this after having AE for 3 years and going back to stock
    Click here to enlarge

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    Click here to enlarge Originally Posted by dzenno Click here to enlarge
    Trust me HKS is an amazing option...this after having AE for 3 years and going back to stock
    I don't recall hearing your setup, but remember you and I were very happy to go back to stock. So I'm sure both are viable options. I'm happy you recommend HKS as an option, but Miltek is as well

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    What meth mixture would you guys recommend with my trunk mounted Aquamist HSF-4 if I'm going to be putting in RBs and getting a Pro Tune?

    Also, I've got two bungs on my Stett Charge Pipe and the kit comes standard with 2x 1mm nozzles; not sure if I should be looking at larger 1.2mm nozzles, or if that will suffice.
    08 E92 335xi 6MT: Cobb/PTF Stage 3, RB Turbos, Aquamist HSF-4 @ 90/10, CM FX850, Quaife LSD, Suspension by Koni/TCK/Swift, CP-E Catless DPs, ETS 7" FMIC, BMS OCC, Stett CAI & CP/Forge DVs, UUC Evo3, OZ Alleggeritas/w PSS, H&R 20mm ASB, M3 SF bushings, Megan Racing control arms. Going on soon: WOTbox. Stett Oil Cooler

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    Click here to enlarge Originally Posted by cyniclaus Click here to enlarge
    What meth mixture would you guys recommend with my trunk mounted Aquamist HSF-4 if I'm going to be putting in RBs and getting a Pro Tune?

    Also, I've got two bungs on my Stett Charge Pipe and the kit comes standard with 2x 1mm nozzles; not sure if I should be looking at larger 1.2mm nozzles, or if that will suffice.
    nozzles are fine . run like 70/30 mix . i always put 2 parts alc. and 1 part battery water.
    07 335i AT - MOTIV 750 - MHD BMS E85 - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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    Click here to enlarge Originally Posted by dzenno Click here to enlarge
    Trust me HKS is an amazing option...this after having AE for 3 years and going back to stock
    Isn't this very similar to Vanguard?

  20. #20
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    Click here to enlarge Originally Posted by nitehawk Click here to enlarge
    Isn't this very similar to Vanguard?
    "similar", yes...side by side when on the car, VERY different
    Click here to enlarge

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    Great thread! Im looking at rb's and cobb as well. I'm starting to get sick of my vanguard, whats a good option? Would a gutted stock exhaust flow enough?
    Click here to enlarge
    ESS 6XX kit

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    Click here to enlarge Originally Posted by bobS Click here to enlarge
    Great thread! Im looking at rb's and cobb as well. I'm starting to get sick of my vanguard, whats a good option? Would a gutted stock exhaust flow enough?
    VRSF is coming out with their exhaust soon as well. Apparently it is very similar in design to the HPF. I will be curious to see and hear it.

  23. #23
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    Click here to enlarge Originally Posted by bobS Click here to enlarge
    Great thread! Im looking at rb's and cobb as well. I'm starting to get sick of my vanguard, whats a good option? Would a gutted stock exhaust flow enough?
    What defines "good"?
    Click here to enlarge

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    Just ordered a set of RB's Click here to enlarge

    I'll run it with the Procede until COBB has a 100% reliable map for upgraded turbos, 6AT, pump gas.
    E92 335i SB / Black Leather / 6AT / Navi Prof / Sunroof / Active Steering
    Mods: Performance Seats / Performance Exhaust / RB Turbos / M3 CF Roof / Brembo GT BBK 355/345 / Rollcage / M3 Mirrors / Forge FMIC / QUAIFE LSD / Ohlins R&T / M3 Suspension Parts / Vorshlag Camberplates / Megan Toe Links / LeatherZ Gauges / Extended M3 DCT Paddles / ER Sports OC / AR OC / Aux Radiator / AR catted DP / COBB Pro-Tune
    Next: GTS Wing

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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    I don't recall hearing your setup, but remember you and I were very happy to go back to stock. So I'm sure both are viable options. I'm happy you recommend HKS as an option, but Miltek is as well
    Stock E90 exhaust with resonators intact, secondary cat delete / catless downpipes = perfect.

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