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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > All COBB Tuning AccessPORT Flash for N54 335i Discussion Here



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      07-05-2013, 12:43 PM   #8009
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Quote:
Originally Posted by clemsonkev View Post
Just got car back from BMW..... about to reinstall Cobb and the custom file from Bren Tuning.

I thought I was getting new turbos among other things; here is what my service slip states:

INSTALLED 2 ACTUATORS; 2 LOCKING RINGS; 4 GASKETS; 2 CLAMPS; 4 COLLAR NUTS. TECH REPLACED BOTH TURBOCHARGER WASTEGATES AND PERFORMED CALIBRATION AS NEEDED.

So did I get new turbos?
Sounds to me like they just rebuilt your snails man
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      07-05-2013, 01:40 PM   #8010
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Originally Posted by sickem View Post
Sounds to me like they just rebuilt your snails man
+1
From that parts/labor list they just disassembled your old turbos, replaced the WGAs and reassembled.
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      07-05-2013, 01:50 PM   #8011
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thanks guys....

Not sure if I should be mad at my dealer or not.

The turbos are still warranted up to 82k like everybody else with a N54 (I have 68k now); and I assume what they did SHOULDN'T negate the custom tune Bren did just 2 weeks ago (as they are probably the same turbos).

Sound about right?
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      07-05-2013, 01:53 PM   #8012
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Quote:
Originally Posted by clemsonkev View Post
thanks guys....

Not sure if I should be mad at my dealer or not.

The turbos are still warranted up to 86k like everybody else with a N54 (I have 68k now); and I assume what they did SHOULDN'T negate the custom tune Bren did just 2 weeks ago (as they are probably the same turbos).

Sound about right?
The WGAs are actually the key components that can change how the turbos react to the tune. Just load the map, let it adapt and then grab a couple datalogs. If it is acting goofy then just get in touch with the tuner.
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      07-07-2013, 05:04 AM   #8013
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i have a question..
tried doing 0-60s with the cobb by break boosting ( to about 1500-2000 rpm with dtc off ) from a stop ... however i cant
once the AP detects RPMs it starts the count -
how do you guys do this properly?
best time ive gotten was 5.3 secs

with Cobb stage 2 + aggressive, DPs ,FMIC, DCI 93 oct...was expecting way better than that
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      07-07-2013, 03:23 PM   #8014
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I'm no expert but had DTC on Stage1+FMIC Agg and first launch was 4.9 (2k RPM and let go the brake). I doubt that you could leave DTC off. It wouldn't hold.
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      07-07-2013, 03:55 PM   #8015
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E30 3rd gear data log

FBO. Put in 4 gal e85 and 10-11ish gal 93. Attached is the log on e30 map. What bothers me is the Timing Cor. of -6.75 Should I switch back to Stage2+FMIC?

TIA.
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File Type: txt 3rdGearPullE30.txt (21.3 KB, 34 views)
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      07-07-2013, 04:07 PM   #8016
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Quote:
Originally Posted by quattr0 View Post
FBO. Put in 4 gal e85 and 10-11ish gal 93. Attached is the log on e30 map. What bothers me is the Timing Cor. of -6.75 Should I switch back to Stage2+FMIC?

TIA.
Overall this log appears to showcase, your tune is a little too aggressive. Rule of thumb, 3.38 correction across three cyl. or less is OK. Trying putting in 5 gallons of E85 pump and top off with 93. this will give you about E32. your first blend was E29 assuming you topped it off with 93 when you put in the 10-11 gallons. its tough to know the correct blends by the supplier, could be E70 - E85.

regarding your timing corr. at -6.75, i was seeing this when my coil was bad. If you are not getting misfires, then you may soon. I did. Run the new blend and take a look at your corrections. if your cyl 2 is still giving you fits, swap coil and see if the corrections follow. If it follows then you know its the coil.

when was the last time you changed your plugs?

your LPFP looked OK. Don't want to drop below ~50

EDIT:

Oh and its normal to see high correction post shift. no worries there.


Reset Data Log Lists. We want to see your Pedal Pos. and Throttle Pos. I don't know when you hit WOT and if you have any throttle closures.
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Last edited by VNeBLOB42; 07-07-2013 at 04:21 PM.
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      07-07-2013, 04:23 PM   #8017
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Quote:
Originally Posted by quattr0 View Post
I'm no expert but had DTC on Stage1+FMIC Agg and first launch was 4.9 (2k RPM and let go the brake). I doubt that you could leave DTC off. It wouldn't hold.
AT or MT? if AT launch from 2nd Gear. you will shave tenths.
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      07-07-2013, 04:41 PM   #8018
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Quote:
Originally Posted by VNeBLOB42 View Post
Overall this log appears to showcase, your tune is a little too aggressive. Rule of thumb, 3.38 correction across three cyl. or less is OK. Trying putting in 5 gallons of E85 pump and top off with 93. this will give you about E32. your first blend was E29 assuming you topped it off with 93 when you put in the 10-11 gallons. its tough to know the correct blends by the supplier, could be E70 - E85.

regarding your timing corr. at -6.75, i was seeing this when my coil was bad. If you are not getting misfires, then you may soon. I did. Run the new blend and take a look at your corrections. if your cyl 2 is still giving you fits, swap coil and see if the corrections follow. If it follows then you know its the coil.

when was the last time you changed your plugs?

your LPFP looked OK. Don't want to drop below ~50

EDIT:

Oh and its normal to see high correction post shift. no worries there.


Reset Data Log Lists. We want to see your Pedal Pos. and Throttle Pos. I don't know when you hit WOT and if you have any throttle closures.
Wow...thank you so much for your extremely fast response!

Plugs were changed 2 days ago. Walnut blasting was done same day also. I have 60k+.

I had a little more than half tank so I assume that was 8.5 93 gal. I then put in 4 gal e85 and 3 gal 93, in that order. Didn't do like what you said.

Thanks again and will report back result next weekend with all of your suggestions.
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      07-07-2013, 04:43 PM   #8019
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Quote:
Originally Posted by VNeBLOB42 View Post
AT or MT? if AT launch from 2nd Gear. you will shave tenths.
Yeah I did launch from 2nd gear, AT+Alpina flash. It was first try so I'm sure with practicing will be better. I was happy with the result though. Just was curiosity for the most part. Thanks again.
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      07-09-2013, 10:37 PM   #8020
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Can someone look at this datalog and help make sure that everything is running ok? 3rd gear pull, stage 1 sport, completely stock besides tune, running 93oct. Car feels like it runs well. Plugs haven't been changed yet, car has 31k miles.
Thanks!
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File Type: txt datalog1.csv.txt (16.5 KB, 24 views)
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      07-11-2013, 08:44 AM   #8021
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Remove old flash?

Hi guys! I have order a cobb and my car is flashed before. can i connect the cobb and put in new flash or do i have to have the car reset before i can use the cobb?
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      07-11-2013, 08:47 AM   #8022
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Quote:
Originally Posted by Malexander
Hi guys! I have order a cobb and my car is flashed before. can i connect the cobb and put in new flash or do i have to have the car reset before i can use the cobb?
Cobb will reset before installing the new map, just proceed with the install when asked. Bought my car used and didn't know it was flashed already, Cobb detected previous install. Just hit continue
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      07-11-2013, 08:50 AM   #8023
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Took my car to DEQ for emission testing with the COBB flash installed. The VIN was not my VIN on my MSD80? Doesn't the AP store the VIN? Why would I have the VIN from COBB's test car on my car. Sloppy if you ask me.
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      07-11-2013, 08:55 AM   #8024
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Quote:
Originally Posted by mg4734 View Post
Cobb will reset before installing the new map, just proceed with the install when asked. Bought my car used and didn't know it was flashed already, Cobb detected previous install. Just hit continue
Sweet thank you Then i don't have to put more thoughts in how I'm gonna remove the old flash
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      07-11-2013, 09:25 AM   #8025
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Quote:
Originally Posted by Wedge1967 View Post
Took my car to DEQ for emission testing with the COBB flash installed. The VIN was not my VIN on my MSD80? Doesn't the AP store the VIN? Why would I have the VIN from COBB's test car on my car. Sloppy if you ask me.
that is interesting. Anyway I could check?
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      07-11-2013, 09:37 AM   #8026
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Quote:
Originally Posted by mg4734 View Post
Can someone look at this datalog and help make sure that everything is running ok? 3rd gear pull, stage 1 sport, completely stock besides tune, running 93oct. Car feels like it runs well. Plugs haven't been changed yet, car has 31k miles.
Thanks!
I have seen this before and I am not familiar with it. may have been you before? I am not sure what the (i) is next too all the log columns. Anyone know?

you got some throttle closures around ~4100, looks like due to overboost. Other members on here can help you clear that up. Other than that looks good. bump up to Agg bro! you got 93.

oh and no need to redline like that, 6500 - 6700 is good enough. Power drops after ~6200 or so.
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      07-11-2013, 11:33 AM   #8027
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Quote:
Originally Posted by VNeBLOB42
I have seen this before and I am not familiar with it. may have been you before? I am not sure what the (i) is next too all the log columns. Anyone know?

you got some throttle closures around ~4100, looks like due to overboost. Other members on here can help you clear that up. Other than that looks good. bump up to Agg bro! you got 93.

oh and no need to redline like that, 6500 - 6700 is good enough. Power drops after ~6200 or so.
Silly me forgot to turn off traction control for that log. Could have caused the throttle closures.

Thanks, I won't take it all the way to redline next time . Flashing to aggressive this evening, and will take another log.
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      07-11-2013, 12:59 PM   #8028
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Quote:
Originally Posted by VNeBLOB42 View Post
that is interesting. Anyway I could check?
INPA K+DCAN cable... INPA or NCS will read the VIN.
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      07-11-2013, 01:46 PM   #8029
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Quote:
Originally Posted by mg4734 View Post
Silly me forgot to turn off traction control for that log. Could have caused the throttle closures.

Thanks, I won't take it all the way to redline next time . Flashing to aggressive this evening, and will take another log.
yes, i should have mentioned that. Have traction control completely off. Be safe
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      07-11-2013, 08:51 PM   #8030
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-3, -6, -9 timing corrections cruising around ?

Currently running a mildly aggressive E20 map with 2.5 gal E85 balance 93 octane per tank.
Just wondering if anyone is experiencing this:
During WOT runs, 2000 to 6500 rpm, no timing corrections.

But cruising around town, see sometimes -3, -6, and -9 timing corrections, at around 2000 rpm in one cylinder.... Usually cylinder 1 in my case....

Any idea what's going on?
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