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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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      03-15-2014, 04:00 PM   #8405
rashad.mashtoub
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Guys when I want to switch maps in my bmw 335i from stage 2+fmic to stage 1+fmic let's say do I need to turn off my car ? Plus do u guys think I need to replace my oem charge pipe when using the stage 2+fmic?

Thanks
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      03-15-2014, 04:12 PM   #8406
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Quote:
Originally Posted by rashad.mashtoub View Post
Guys when I want to switch maps in my bmw 335i from stage 2+fmic to stage 1+fmic let's say do I need to turn off my car ? Plus do u guys think I need to replace my oem charge pipe when using the stage 2+fmic?

Thanks
OEM charge pipe always has a chance of cracking. It's really up to you.

When you switch maps, you should be an ignition off, engine off state. So yes, turn off your engine. No "on the fly" switching.
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      04-03-2014, 02:49 PM   #8407
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So I only looked threw a few pages on this post and could not find my answer. Im sure it was asked already so sorry in advance for asking. Can 2 step be set up on AP v2?
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      04-03-2014, 03:00 PM   #8408
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You would need a 2step box or stack a piggyback.
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      04-07-2014, 01:31 AM   #8409
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You would need a 2step box or stack a piggyback.
Thanks. Going to start looking into it.
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      04-07-2014, 04:07 AM   #8410
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Thanks. Going to start looking into it.
A WOTbox is your best bet.
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      04-07-2014, 06:24 AM   #8411
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wondering if anyone could help.

last night my car threw p30ff and went into limp, which i beleive to be a boost leak of somekind. i cleared the code drove it home, and then today had a look for any leaks on the pipework and vac lines. couldnt find any so decided to go do some logs. could some please take a look and see what you think?

thanks much appreciated
http://www.datazap.me/u/lawton438/3r...a=1-2-3-7-8-20
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      04-07-2014, 08:43 PM   #8412
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Here's the intel on your code:
30FF:
30FF Exhaust fume turbocharger low side
EXPLANATION: ECU boost under ECU target
FIX: Often caused by boost leaks, leaky DVs, broken vacuum lines, etc. Also possibly tuning related. If using a TMAP tune (SSTT/JB+) it may be a sign you need to reduce your boost level, or perform the solenoid bypass.
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      04-08-2014, 04:14 AM   #8413
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Quote:
Originally Posted by Lawton438 View Post
wondering if anyone could help.

last night my car threw p30ff and went into limp, which i beleive to be a boost leak of somekind. i cleared the code drove it home, and then today had a look for any leaks on the pipework and vac lines. couldnt find any so decided to go do some logs. could some please take a look and see what you think?

thanks much appreciated
http://www.datazap.me/u/lawton438/3r...a=1-2-3-7-8-20
That log isn't typical of a car suffering from a boost leak. In fact, there is some substantial overboosting and resulting throttle closures down low. While boost is below target in the higher rev range that is common on OTS maps and WGDC isn't excessive.

N54's can be very fickle and it is possible that your 30FF code was a fluke occurrence.
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      04-08-2014, 04:56 AM   #8414
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Thanks Allen , I did think this myself but as I'm relatively new to all this I thought ide ask on here for a better opinion, is the throttle closure and overboosting between gears something you can sort via a Protune then?
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      04-08-2014, 05:50 AM   #8415
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Quote:
Originally Posted by Lawton438 View Post
Thanks Allen , I did think this myself but as I'm relatively new to all this I thought ide ask on here for a better opinion, is the throttle closure and overboosting between gears something you can sort via a Protune then?
Ohh yeah, definitely. Over boosting is a very common issue with OTS maps and one that we fix VERY often.
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      04-08-2014, 08:42 AM   #8416
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Great too hear, am I best to purchase the Protune through ptf website and go from there?
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      04-08-2014, 11:19 AM   #8417
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Great too hear, am I best to purchase the Protune through ptf website and go from there?
You can either do it through the website or email sales@protuningfreaks.com
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      04-08-2014, 11:20 AM   #8418
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Thanks, I've purchased it through the website. Look forward to getting it all sorted
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      04-09-2014, 08:13 AM   #8419
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So I upgraded from v301 to 403 this week, same tune (sport LT), and it feels identical to the old one.

Is there going to be any meaningful difference? Gas mileage, performance, throttle response etc.?
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      04-09-2014, 08:21 AM   #8420
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Thanks, I've purchased it through the website. Look forward to getting it all sorted
Hehe, make sure to add some additional oh shit bars for your passenger when PTF tunes your car....lol
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      04-09-2014, 09:47 AM   #8421
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The e30 map on cobb's website is for e85/91 octane. Can someone please confirm this, I thought the map was for e85 and 93.
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      04-09-2014, 12:55 PM   #8422
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The e30 map on cobb's website is for e85/91 octane. Can someone please confirm this, I thought the map was for e85 and 93.
Yes, the E30 OTS map will work just fine on 93. IIRC it was originally labeled as for "E85 and 93" but after testing Cobb changed the minimum recommended octane to 91.
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      04-11-2014, 04:21 PM   #8423
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Quote:
Originally Posted by CalmLikeABomb View Post
The e30 map on cobb's website is for e85/91 octane. Can someone please confirm this, I thought the map was for e85 and 93.
to clarify, this is optimum for E85/93. Not for the shitty ACN 91 crap we have. You may to compensate for 91 by adding more Ethanol. I try E35 if your logs don't check out.

I didn't know they changed it to 91 per allen@PTF but based on my testing I had to add a bit more to compensate for 91. So maybe you do start with the recommended and see how your log looks. Remember 91 isn't the same as ACN (Arizona Cali Nevada) 91. We Californians like to do things differently.


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      04-17-2014, 03:49 PM   #8424
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So I upgraded from v301 to 403 this week, same tune (sport LT), and it feels identical to the old one.

Is there going to be any meaningful difference? Gas mileage, performance, throttle response etc.?
Anyone?
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      04-20-2014, 09:19 AM   #8425
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So I'm running latest (v401) Stage1 aggressive map on my 6MT (only mods: BMS DCI and BMW PE w/secondary cats removed).
Every time I go WOT or even close to WOT, the car seems to hiccup/stumble. It didn't do this before I upgraded to the new v401 maps.

I've never used the datalogging feature before and want to go do some logs to post up, but just wanted to know how I should datalog correctly..
Do i have to do it in a specific gear? from certain rpm to certain rpm? WOT? (the video from Cobb doesn't specifically mention that)
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      04-20-2014, 10:32 AM   #8426
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After doing a bit of looking around, i figured i'd go out and try to do some logging.

Here's what I came up with..
WOT 3rd gear to 4th gear.
http://www.datazap.me/u/nfaridi84/co...=0&data=1-8-20


but then something odd happened..
On the way back.. I was cruising in 4th gear, and gave it about 70-75% throttle and suddenly the CEL came on and the car started shuddering.
It would shudder every time I touched the gas (even very lightly).

I immediately switched to 6th gear to cruise home..
I logged a little bit of 6th gear cruising, everytime i feathered the gas pedal it would hake.
Here's a log of that:
http://www.datazap.me/u/nfaridi84/da...=0&data=1-8-20

About a minute later the CEL went away and the car started driving like normal.

Not sure what happened exactly, hopefully someone can shed some light for me.
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