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View Poll Results: How Long Did it Take To Flash Your Tune?

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  • ~0-5 Minutes

    1 8.33%
  • ~6-10 Minutes

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  1. #1
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    Question Just Installed Cobb Tune. Have some ??

    Car: 09 BMW 335i Auto
    Mods: Cobb Tune but otherwise stock.

    The flashing process took FOREVER!

    I timed each process:
    ~9 minutes to back up the OEM tune.
    ~19 minutes to flash the Stage1 Sports Tune ST.

    Is this normal??

    I used to run Cobb Tuner on my old MazdaSpeed6 & MazdaSpeed3.
    The back up of the OEM tune would take about 15 minutes.
    But the OTS/Custom tunes would only take ~3-4 minutes.

  2. #2
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    The first time I flashed it over it took awhile however i didn't have a battery charger hooked up. Now when I flash it I always hook up my battery charger to maintain the voltage. It seems to have cut down the time a little bit. I really see the difference when changing maps, with the battery charger it's only a minute or two, without it takes 5 minutes to change the maps.

  3. #3
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    That seems normal for the first flash. Changing maps will be quicker now (< 5 min).

  4. #4
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    Thanks for the quick replies...

    I plan on flashing the 93 octane map tomorrow and will report back how long it takes.

    BTW, I noticed that after the flash i can hear the turbo spool up & exhaust seems louder!Click here to enlarge

  5. #5
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    Yea about right. Be sure to have a battery charger on. I only use it when installing. Uninstall and MAP change I don't.
    Click here to enlarge
    PTF Pro eTune by Dzenno / COBB S1+ E50
    Alpina B3 Flash / ETS FMIC / ER CP / DCI

  6. #6
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    It took me probably 20mins for the whole process the other day. Running off battery.

  7. #7
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    Seems to change from time to time. First time flash 45 mins. Going from pump gas map to E85 10 mins. Pump gas to different pump gas map... 5 mins. Click here to enlarge

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    Click here to enlarge Originally Posted by SCGT Click here to enlarge
    Seems to change from time to time. First time flash 45 mins. Going from pump gas map to E85 10 mins. Pump gas to different pump gas map... 5 mins. Click here to enlarge
    yes depending on the type of coding(boosa? not sure on the terminology ) it can take longer. Like regular OTS it's less than a few min. S1 Sport to S1 Agg. Etc. from like S1+ to my Pro Tune it'll take like 10 min. From various protunes MAPs under a few min. ~2min.
    Click here to enlarge
    PTF Pro eTune by Dzenno / COBB S1+ E50
    Alpina B3 Flash / ETS FMIC / ER CP / DCI

  9. #9
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    Completely normal. When you completely uninstall/install the COBB tune, it takes ~20-25 mins. After that, if you decide to switch maps it'll take ~2 mins.
    COBB AP ProTune by Bren of ///Bren Tuning
    Akrapovic DP | Helix FMIC | Alpina TCM Flash | Walbro 450LPH Fuel Pump


    "The moment money becomes your motivation, you are immediately not as good as someone who is motivated by passion and internal will." -A. Senna

  10. #10
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    if you switch between logic, map switches take 7 minutes or so. if you switch between maps with the same logic, maybe 45 seconds.

  11. #11
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    1 out of 1 members liked this post. Reputation: Yes | No
    Thanks again for the replies.

    I put on ~20 miles on the map with multiple stops & starts.
    I noticed the butt-dyno gains are subtle on the Sport Map but definitely felt in the middle of the power band.

    Hoping the Aggressive ST 93 octane map give me the power i want otherwise i will be going back to the Sports ST 91 Octane map.
    *I always fill up with 93 but wanted the safety net against detonation due to overheating issues reported for this engine.

    Anyone noticed their oil temps increase after the flash?
    I already observed oil temps climb (on hard throttle) close to ~245-248 with the 91 octane map (running 93 octane).
    On stock map was never able to get it above ~240.

    Wondering how to tell if I have an Oil Cooler?
    Car does has the sports package so I would assume it did.

  12. #12
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    Click here to enlarge Originally Posted by acidbbg Click here to enlarge
    Thanks again for the replies.

    I put on ~20 miles on the map with multiple stops & starts.
    I noticed the butt-dyno gains are subtle on the Sport Map but definitely felt in the middle of the power band.

    Hoping the Aggressive ST 93 octane map give me the power i want otherwise i will be going back to the Sports ST 91 Octane map.
    *I always fill up with 93 but wanted the safety net against detonation due to overheating issues reported for this engine.

    Anyone noticed their oil temps increase after the flash?
    I already observed oil temps climb (on hard throttle) close to ~245-248 with the 91 octane map (running 93 octane).
    On stock map was never able to get it above ~240.

    Wondering how to tell if I have an Oil Cooler?
    Car does has the sports package so I would assume it did.
    250* is completely normal oil temp for the N54. If you have the 2 hoses circled coming off the oil filter housing & heading to the passenger side, you have the OEM oil cooler installed.

    Click here to enlarge
    COBB AP ProTune by Bren of ///Bren Tuning
    Akrapovic DP | Helix FMIC | Alpina TCM Flash | Walbro 450LPH Fuel Pump


    "The moment money becomes your motivation, you are immediately not as good as someone who is motivated by passion and internal will." -A. Senna

  13. #13
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    Just got back...

    I flashed the Stage1 ST Aggressive 93 map.
    *I am running Sunoco 93 octane.

    It only took 3 minutes from the time i clicked confirm.Click here to enlarge

    After ~3-5 miles i started to give it some throttle.
    I don't think i felt a difference between the 2 maps.

    I pulled over and double checked and I am running the map i listed above.

    I did a data-log pull (with all tsc/dsc disabled) and found that I am knocking in multiple cylinders. The worst i saw was -6.75 on cylinder #4 (around a shift).

    What's considered to be dangerous??
    Back in the Mada's it was anything above -3 or -4.
    Should I be flashing back to the 91 octane map or give it time to adjust?

    I plan on going for another ride in a little while and do a couple more datalogs tonight. If it's still knocking, i will go back to the 91 octane map and see if it knocks as well.
    Attached Files Attached Files

  14. #14
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    I recommend trying a couple different brands of gasoline before committing back to the sport map. Not all 93 is created equal.
    Click here to enlarge
    MOTIV750, MOTIV P-1000 PI, MOTIV/FUEL-IT! low pressure fuel system, AEM EMS/COBB AP, Aquamist HFS-3, ETS FMIC, SPEC stage 3+ clutch/SS flywheel, BC Racing coilovers and VMR wheels wrapped in Hankook RS3s.

  15. #15
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    Click here to enlarge Originally Posted by acidbbg Click here to enlarge
    Just got back...

    I flashed the Stage1 ST Aggressive 93 map.
    *I am running Sunoco 93 octane.
    I did a data-log pull (with all tsc/dsc disabled) and found that I am knocking in multiple cylinders. The worst i saw was -6.75 on cylinder #4 (around a shift).
    Running 93 on Aggressive Map is not always enough octane. If you're going to continue to run the Aggressive Map, you could always add a couple gallons of E85 to eliminate the timing corrections (just monitor your fuel trims) or Race Gas.

    If you're seeing multiple adjacent cylinders pulling timing greater than -3*, the tune is over aggressive for the octane you're running. On a single cylinder, anything below 3* is considered "noise" since the knock detection system is very sensitive (not that that's a bad thing, it's def saved a lot of people's motors), but if you're pulling like -9* of timing then there's a problem (check if it's cylinder specific, could be a possible sign of a bad injector).
    COBB AP ProTune by Bren of ///Bren Tuning
    Akrapovic DP | Helix FMIC | Alpina TCM Flash | Walbro 450LPH Fuel Pump


    "The moment money becomes your motivation, you are immediately not as good as someone who is motivated by passion and internal will." -A. Senna

  16. #16
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    I did a couple more logs.
    I noticed as i put more miles on the tune the knock has reduced to 0 in some logs.
    Also, i put a couple of gallons of 93 octane at a different Sunoco location.
    A couple of pulls (where no timing was pulled)..car felt amazing.

    I don't plan on running meth/e-85/race gas.

    How long do you guys let the map settle before getting on it/data-logging?
    Attached Files Attached Files

  17. #17
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    Click here to enlarge Originally Posted by acidbbg Click here to enlarge
    How long do you guys let the map settle before getting on it/data-logging?
    ~5 full 3rd/4th gear pulls and it should be ready to be logged
    COBB AP ProTune by Bren of ///Bren Tuning
    Akrapovic DP | Helix FMIC | Alpina TCM Flash | Walbro 450LPH Fuel Pump


    "The moment money becomes your motivation, you are immediately not as good as someone who is motivated by passion and internal will." -A. Senna

  18. #18
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    Click here to enlarge Originally Posted by benzy89 Click here to enlarge
    ~5 full 3rd/4th gear pulls and it should be ready to be logged
    That's interesting b/c i was babying it for the first 3-5 miles.
    Light throttle/low boost.

    It's difficult to do full 3rd/4th gear pulls here in NJ and not hit a pothole! Click here to enlarge

    I see your from NJ...What Brand Gas do you normally fill up?

  19. #19
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    Click here to enlarge Originally Posted by acidbbg Click here to enlarge
    That's interesting b/c i was babying it for the first 3-5 miles.
    Light throttle/low boost.

    It's difficult to do full 3rd/4th gear pulls here in NJ and not hit a pothole! Click here to enlarge

    I see your from NJ...What Brand Gas do you normally fill up?
    Well I wouldn't rip on it until the oil temp is 175*+ and some light driving. For gas, personal preferences are Shell, Exxon/Mobil & Sunoco (in that order). If I'm stranded & can't find those, I'll usually pump enough in to get me somewhere I know I'll be able to get one of those and take it easy or actively monitor a couple pulls thru the AP
    COBB AP ProTune by Bren of ///Bren Tuning
    Akrapovic DP | Helix FMIC | Alpina TCM Flash | Walbro 450LPH Fuel Pump


    "The moment money becomes your motivation, you are immediately not as good as someone who is motivated by passion and internal will." -A. Senna

  20. #20
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    Takes ~20 mins to install and remove flash tune on a AP for Cobb.
    Takes 1:20 to change map with same logic.
    Takes 11 min to load race logic code.

    If it's taking longer than this make sure you use a trickle battery charger to make sure your battery is fully charged before loading a flash. Also make sure your AP is up-to-date with Cobb latest software and firmware. prior to loading.


    Click here to enlarge Originally Posted by benzy89 Click here to enlarge
    Well I wouldn't rip on it until the oil temp is 175*+ and some light driving. For gas, personal preferences are Shell, Exxon/Mobil & Sunoco (in that order). If I'm stranded & can't find those, I'll usually pump enough in to get me somewhere I know I'll be able to get one of those and take it easy or actively monitor a couple pulls thru the AP
    +1
    That's my order of fuel as well. 93 for me in NY
    335xi Sedan 6AT || Weather(45-60°F)
    -PROcede Rev. 2.5 ~ v5 (3/17 maps) / JB4 (8/21 maps) / COBB (Stg2+FMIC LT Agressive maps)
    †Procede Map2(UT 45 - IGN 40) Aggression Target 2.0 (93 Octane) || 0-60 in 4.0sec
    †Cobb E30 LT (35% Ethanol/65% 93 Octane) || 0-60 in 3.9sec
    AR Design Catless DP || BMS DCI + OCC || ETS 5 FMIC || Alpina B3 Trans Flash || 235/265 19" Michelin PSS

  21. #21
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    Well I wouldn't rip on it until the oil temp is 175*+ and some light driving. For gas, personal preferences are Shell, Exxon/Mobil & Sunoco (in that order). If I'm stranded & can't find those, I'll usually pump enough in to get me somewhere I know I'll be able to get one of those and take it easy or actively monitor a couple pulls thru the AP
    What are you monitoring?
    *As the AP only lets you view one source at a time.

    I always wait until my oil temps are above 200 before giving it boost and don't really get on it till temps are closer to 230-240.

    After those 8 logs (over 45 min time) the temps would raise to ~250.

    If it's taking longer than this make sure you use a trickle battery charger to make sure your battery is fully charged before loading a flash. Also make sure your AP is up-to-date with Cobb latest software and firmware. prior to loading.
    Upon receive the AP, i connected to my laptop, installed AP Manager and confirmed it was the latest software.
    I normally will drive the car for ~15-20 min before flashing the car.
    I don't have a trickle charger but will def look into it.
    I have a Harbor Freight nearby!

    About the gas brand..i will try Shell next time i fill up.

    My Car is parked for the next 5 days...but at-least I get to drive a fully loaded 2013 Ford Taurus (work vehicle).

  22. #22
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    Click here to enlarge Originally Posted by acidbbg Click here to enlarge
    What are you monitoring?
    *As the AP only lets you view one source at a time.
    I'll do prob ~10 pulls, monitoring the boost, lambda, STFT/LTFT, timing & timing corrections (usually on 3-4 cylinders to ensure accuracy)
    COBB AP ProTune by Bren of ///Bren Tuning
    Akrapovic DP | Helix FMIC | Alpina TCM Flash | Walbro 450LPH Fuel Pump


    "The moment money becomes your motivation, you are immediately not as good as someone who is motivated by passion and internal will." -A. Senna

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