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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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      08-09-2012, 03:09 PM   #5985
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Quote:
Originally Posted by cloud_connected View Post
ATR is the Cobb user tuning software. It was a custom map I made. I'm FBO+meth.
Who is this capable guy that just appeared out of the blue
Nice numbers...is that a Dynojet?
Dzenno and I are planning to hit the dyno this weekend to see what kinda numbers we can achieve with his map on FBO 94 pump gas
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      08-09-2012, 03:57 PM   #5986
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Quote:
Originally Posted by cloud_connected View Post
Hey guys, I have some ATR dyno numbers to share. The car base lined at 280rwhp/300rwtq and made 404rwhp/460rwtq using my ATR map. 125whp/160wtq delta is pretty good. There is still some room up top in the map to pick up some HP.
was your baseline completely stock? 280rwhp seems to be little loss. What Dyno did you use?

my baseline on a Dyno Dynamics was 230wrhp.

Nice delta!
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      08-09-2012, 05:37 PM   #5987
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Ok thanks. Do you recommend a dry or oiled air filter?
Just buy the K&N filter -- It'll need to get oil every ~20k
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      08-09-2012, 05:51 PM   #5988
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Quote:
Originally Posted by VNeBLOB42 View Post
was your baseline completely stock? 280rwhp seems to be little loss. What Dyno did you use?

my baseline on a Dyno Dynamics was 230wrhp.

Nice delta!
Yes, that was stock W/O bolt ons
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      08-10-2012, 11:12 AM   #5989
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what are you using for meth control cloud?
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      08-10-2012, 11:21 AM   #5990
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what are you using for meth control cloud?
Aquamist HFS-3
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      08-10-2012, 06:30 PM   #5991
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Quote:
Originally Posted by nitehawk View Post
Who is this capable guy that just appeared out of the blue
Nice numbers...is that a Dynojet?
Dzenno and I are planning to hit the dyno this weekend to see what kinda numbers we can achieve with his map on FBO 94 pump gas
this will be interesting, can't wait for the result
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      08-10-2012, 06:34 PM   #5992
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Quote:
Originally Posted by nitehawk View Post
Who is this capable guy that just appeared out of the blue
Nice numbers...is that a Dynojet?
Dzenno and I are planning to hit the dyno this weekend to see what kinda numbers we can achieve with his map on FBO 94 pump gas
Can't wait to see what you guys pull off with Dzenno's pro tune...he really knows his N54
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      08-10-2012, 07:07 PM   #5993
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Quote:
Originally Posted by nitehawk View Post
Who is this capable guy that just appeared out of the blue
Nice numbers...is that a Dynojet?
Dzenno and I are planning to hit the dyno this weekend to see what kinda numbers we can achieve with his map on FBO 94 pump gas
Sorry, I must this until just now.

No, it is a dynocom dyno. They read lower than a dynojet but higher than a mustang. It has a feature to "calculate" dynojet numbers and it said 420/475 in dynojet mode. But that's just a calculation lol
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      08-12-2012, 03:08 PM   #5994
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Does this boost and A/F log look normal? The timing curves were all clean. Sorry I didn't get to 7000 RPMs, I ran out of real estate. What does boost normally drop to at Redline?

Also is "Charge Air Temp (F)" the temperature at the throttle body (after the intercooler)?


Last edited by MTR; 08-12-2012 at 03:18 PM.
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      08-12-2012, 03:28 PM   #5995
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Does this boost and A/F log look normal? The timing curves were all clean. Sorry I didn't get to 7000 RPMs, I ran out of real estate. What does boost normally drop to at Redline?

Also is "Charge Air Temp (F)" the temperature at the throttle body (after the intercooler)?
AFRs and boost look good. Boost normally tapers to around 10psi-12psi.

Charge Air Temp is measured post FMIC at the TMAP sensor.
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      08-13-2012, 05:34 AM   #5996
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Hi guys,

I am currently on stage 2+ agressive. Last night I recorded several boost levels exceeding 20PSI on my AP(live log). Is this normal?
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      08-13-2012, 05:55 AM   #5997
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Quote:
Originally Posted by couwam View Post
Hi guys,

I am currently on stage 2+ agressive. Last night I recorded several boost levels exceeding 20PSI on my AP(live log). Is this normal?
boost spikes probably related to shift. post a log.
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      08-13-2012, 07:20 AM   #5998
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Quote:
Originally Posted by couwam View Post
Hi guys,

I am currently on stage 2+ agressive. Last night I recorded several boost levels exceeding 20PSI on my AP(live log). Is this normal?
Where in MD are you located. We come out to events and meets with the locals. If you want to swing by I can take a look at your car and see how things are running for you.

If you want email me at jhershorin@protuningfreaks.com and I can link you into the DC Metro BMW group.
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      08-13-2012, 10:49 AM   #5999
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Quote:
Originally Posted by Jake@PTF View Post
Where in MD are you located. We come out to events and meets with the locals. If you want to swing by I can take a look at your car and see how things are running for you.

If you want email me at jhershorin@protuningfreaks.com and I can link you into the DC Metro BMW group.
^ That's a sweet offer....ever heading to Boston!
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      08-13-2012, 11:20 AM   #6000
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Quote:
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^ That's a sweet offer....ever heading to Boston!
+2. What about Sacramento, Ca.
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      08-13-2012, 11:44 AM   #6001
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Wrong thread I am always happy to fly out or drive somewhere for a tuning weekend. Just have to have enough interest so its worth everyones time.
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      08-14-2012, 02:12 PM   #6002
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After looking at some logs I was wondering if there was an IAT threshold where the motor will begin to pull timing because the air charge is too hot? I'm sure it's just one factor of many but just a rough value like anything over 140 F is bad, etc.

Thanks
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      08-14-2012, 02:36 PM   #6003
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Quote:
Originally Posted by MTR View Post
After looking at some logs I was wondering if there was an IAT threshold where the motor will begin to pull timing because the air charge is too hot? I'm sure it's just one factor of many but just a rough value like anything over 140 F is bad, etc.

Thanks
Yes there are. In fact, it's a little more complicated than that. There are desperate tables that work together to offset timing at high IATs. I'm stuck and work and don't have access to ATR right now, if someone would post screen shots of those two tables it would helpful for you to see what's going on.

Basically one table establishes the set points(temps) and how much factor it applies(say .3 just for example) and the other table is the amount of timing pulled that is multiplied the factor(say 5 degrees.) So that's .3 x 5 = 1.5 degrees of timing pulled.
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      08-14-2012, 02:44 PM   #6004
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Quote:
Originally Posted by cloud_connected View Post
Yes there are. In fact, it's a little more complicated than that. There are desperate tables that work together to offset timing at high IATs. I'm stuck and work and don't have access to ATR right now, if someone would post screen shots of those two tables it would helpful for you to see what's going on.

Basically one table establishes the set points(temps) and how much factor it applies(say .3 just for example) and the other table is the amount of timing pulled that is multiplied the factor(say 5 degrees.) So that's .3 x 5 = 1.5 degrees of timing pulled.
OK if you get a chance to post those later I would be interested in looking at them.

One follow up question. When I collected my logs I clicked the Traction Control button in the car once to disable the traction control, but I didn't hold it down to disable stability control. It looks as if the Actual Boost went above the Requested Boost level and it closed my TPS (TPS act went from 80.9% to 39.4% then back up). Will the car still close the TPS on me if I totally turn off traction control and stability control?

Thanks
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      08-14-2012, 02:56 PM   #6005
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Quote:
Originally Posted by MTR View Post
OK if you get a chance to post those later I would be interested in looking at them.

One follow up question. When I collected my logs I clicked the Traction Control button in the car once to disable the traction control, but I didn't hold it down to disable stability control. It looks as if the Actual Boost went above the Requested Boost level and it closed my TPS (TPS act went from 80.9% to 39.4% then back up). Will the car still close the TPS on me if I totally turn off traction control and stability control?

Thanks
In that case completely disabling TC won't help your throttle closures. The DME uses the throttle plate to control boost in an over boost situation.
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      08-14-2012, 04:49 PM   #6006
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In that case completely disabling TC won't help your throttle closures. The DME uses the throttle plate to control boost in an over boost situation.
Thanks for the education Cloud that's good to know.

One last newb question for the day. I'm trying to understand the interaction between "Timing Cyl #" and "Cyl# Timing Cor". So the DME wants to advance the "Timing Cyl" to 6.75 degrees while under boost but will hold it back for various things such as high CAT. Will the "Cyl Timing Cor" only kick in once the Timing Cyl has been reduced to 0?

If my logs have all 0s under Timing Correction, that still doesn't mean that the tune is running well right? I would also need to check the Timing to see if it's advancing to 6.75 degrees?

I hope that makes sense.
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