Cobb AP - does it adjust boost when engine is cold?

Glowin · 01-31-2011, 01:03 PM

I figured I'd ask here rather than by emailing them directly, as I didn't see the info on the forums, and I thought others might be interested as well.

I know the Procede doesn't build boost to the max until the engine is warmed up a bit. Does the Cobb flash do that too?

Also, out of curiosity, why is it that the Typical Performance Gains for the 335 Stage 1 are: +30% Peak HP & +38% Peak TQ, but for the 535 are just +19.2% Peak HP & +30.5% Peak TQ?

Is it because the 535 doesn't have an oil cooler (I'm guessing...)?

I don't think the Procede unit's maps (in terms of power) are different for the 535, are they? Anyone know?

JayKay335i · 01-31-2011, 01:19 PM

The program does everything the OEM software does, as it is built around it.

Many 335s dont have oil coolers, they are not really necessary unless tracking.

secretsquirrel · 01-31-2011, 02:49 PM

Quote:

Originally Posted by JayKay335i

The program does everything the OEM software does, as it is built around it.

So does that mean it does or it doesn't?

I'm not sure, but I don't think the factory settings disable boost when the engine is warm. Someone correct me if I'm wrong.

themyst · 01-31-2011, 02:54 PM

It doesn't have the cold oil protection of the piggybacks if that is what you're asking.

BobS · 01-31-2011, 03:42 PM

You shouldn't drive the car hard until normal operating temps are reached anyway.

zeenon53 · 01-31-2011, 03:45 PM

Quote:

Originally Posted by BobS

You shouldn't drive the car hard until normal operating temps are reached anyway.

+1

RambleJ · 01-31-2011, 03:55 PM

Quote:

Originally Posted by BobS

You shouldn't drive the car hard until normal operating temps are reached anyway.

+1, It's common sense really.

But I am curious as to why the 535 power increase is soo low.

enrita · 01-31-2011, 03:55 PM

yeah tell that to my GF... thank god Procede doesnt boost when cold.

Rob@Cobb · 01-31-2011, 03:58 PM

The stock ECU does limit torque when the motor is cold.

Cheers,
Rob

secretsquirrel · 01-31-2011, 04:07 PM

Quote:

Originally Posted by enrita

yeah tell that to my GF... .

Or valet guys...

Glowin · 02-01-2011, 08:19 PM

Quote:

Originally Posted by Rob@Cobb

The stock ECU does limit torque when the motor is cold.

Cheers,
Rob

Thanks Rob, I'll take that to mean then that by extension, your flash would also do so? Do you alter the temp at which full boost is reached? The temp at which the ECU may allow you to reach full boost stock I thought might need to be increased when one is dealing with double the boost?

.
But what about this question of mine?

Quote:

Originally Posted by Glowin

Also, out of curiosity, why is it that the Typical Performance Gains for the 335 Stage 1 are: +30% Peak HP & +38% Peak TQ, but for the 535 are just +19.2% Peak HP & +30.5% Peak TQ?

Is it because the 535 doesn't have an oil cooler (I'm guessing...)?

Glowin · 02-02-2011, 08:38 PM

Bump... Would love to hear from Cobb on why the 535 are neutered so much vs. the 335 maps.

ZTUNER · 02-02-2011, 09:21 PM

Quote:

Originally Posted by Glowin

Bump... Would love to hear from Cobb on why the 535 are neutered so much vs. the 335 maps.

Look at their stock exhaust

Glowin · 02-02-2011, 10:38 PM

Quote:

Originally Posted by ZTUNER

Look at their stock exhaust

It would make that much of a difference (30% increase in 335 vs. only 20% in 535)?

How come Shiv's maps are all the same for the 1/3/5 series then? I wonder what the downside would be, if any, by going with the Procede maps on the 535, if there truly are technical reasons why that much more HP isn't a good idea for the 535? More knock?

For a potential 535 customer, it's hard to pass up the Procede gains and go with the AP... If they were equal, at least, that would be good.

ZTUNER · 02-04-2011, 12:23 AM

Quote:

Originally Posted by Glowin

It would make that much of a difference (30% increase in 335 vs. only 20% in 535)?

How come Shiv's maps are all the same for the 1/3/5 series then? I wonder what the downside would be, if any, by going with the Procede maps on the 535, if there truly are technical reasons why that much more HP isn't a good idea for the 535? More knock?

For a potential 535 customer, it's hard to pass up the Procede gains and go with the AP... If they were equal, at least, that would be good.

That would be a Shiv question. The difference can also be attributed to dyno, engine or weather differences. The basline dyno on the 535 was lower than the 335, maybe there is additional factors that account for this. Its quite obvious that the 5 series exhaust is not as free flowing as the 335.

Harry

Rob@Cobb · 02-04-2011, 10:07 AM

Quote:

Originally Posted by Glowin

Bump... Would love to hear from Cobb on why the 535 are neutered so much vs. the 335 maps.

The tunes are the same between the 135/335/535 given the similarity of parts. The 535i that we had access to simply made less power. We now know it needs to have it's WGs tightened or replaced. We simply released conservative dyno maps for the 535i given we didn't want to give the typical power range.

We will be re-dynoing the 535i once it's mechanically sound and/or looking for another 535i to re-create our dyno graph off of.

Cheers,
Rob

RambleJ · 02-04-2011, 10:24 AM

Quote:

Originally Posted by ZTUNER

That would be a Shiv question. The difference can also be attributed to dyno, engine or weather differences. The basline dyno on the 535 was lower than the 335, maybe there is additional factors that account for this. Its quite obvious that the 5 series exhaust is not as free flowing as the 335.

Harry

Then couldn't the same be said for the 135's then as well? The exhaust set up seems to be the same. Correct me if i'm wrong, I haven't fully inspected a 135, but cosmetically they seems to both be the same.

Glowin · 02-04-2011, 10:34 AM

Quote:

Originally Posted by Rob@Cobb

The tunes are the same between the 135/335/535 given the similarity of parts. The 535i that we had access to simply made less power. We now know it needs to have it's WGs tightened or replaced. We simply released conservative dyno maps for the 535i given we didn't want to give the typical power range.

We will be re-dynoing the 535i once it's mechanically sound and/or looking for another 535i to re-create our dyno graph off of.

Cheers,
Rob

Good to hear Rob. So then you don't expect the 535 because of its exhaust as someone else thought (or any other part) to be producing less power than the 335 in theory, notwithstanding car to car differences.

Interesting it made that much of a difference (20% bump in HP vs. 30% in the 335). Would love to see revised numbers at one point, hopefully closer to the 335's.

okai_bm · 02-04-2011, 10:45 PM

can't wait to see the new dyno graph for 535i

tscdennab · 04-15-2011, 11:40 AM

Quote:

Originally Posted by Rob@Cobb

The stock ECU does limit torque when the motor is cold.

Cheers,
Rob

Does anyone know at what temperature is any torque restriction lifted by the ECU ?

bimmertt · 04-15-2011, 11:43 AM

Quote:

Originally Posted by tscdennab

Does anyone know at what temperature is any torque restriction lifted by the ECU ?

+1..

but would also want to know what is considered "normal operating temperature"

vasillalov · 04-15-2011, 11:46 AM

I've noticed that once the oil temps pass 180, the car drives like a mad beast... But of course I have no other proof than the butt dyno.

01-31-2011, 01:03 PM	#1
Glowin Captain 73 Rep 978 Posts Drives: X3 35 & 335i now - M2/M4 next? Join Date: Jun 2009 Location: Seattle iTrader: (0)	Cobb - adjusts boost when engine cold? And 535 vs. 335 maps I figured I'd ask here rather than by emailing them directly, as I didn't see the info on the forums, and I thought others might be interested as well. I know the Procede doesn't build boost to the max until the engine is warmed up a bit. Does the Cobb flash do that too? Also, out of curiosity, why is it that the Typical Performance Gains for the 335 Stage 1 are: +30% Peak HP & +38% Peak TQ, but for the 535 are just +19.2% Peak HP & +30.5% Peak TQ? Is it because the 535 doesn't have an oil cooler (I'm guessing...)? I don't think the Procede unit's maps (in terms of power) are different for the 535, are they? Anyone know? Last edited by Glowin; 02-01-2011 at 08:20 PM..
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01-31-2011, 01:19 PM	#2
JayKay335i Banned 189 Rep 5,046 Posts Drives: ///M323 DCT Join Date: Apr 2009 Location: North Dakota; its best DUHHHHHH iTrader: (1)	The program does everything the OEM software does, as it is built around it. Many 335s dont have oil coolers, they are not really necessary unless tracking.
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01-31-2011, 02:54 PM	#4
themyst Major General 177 Rep 6,631 Posts Drives: '16 MK7 GTI Join Date: Feb 2009 Location: NYC iTrader: (8)	It doesn't have the cold oil protection of the piggybacks if that is what you're asking. __________________ E90 LCI N54 6AT
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01-31-2011, 03:42 PM	#5
BobS Colonel 97 Rep 2,002 Posts Drives: M3 Join Date: Feb 2009 Location: Southern NJ iTrader: (0)	You shouldn't drive the car hard until normal operating temps are reached anyway. __________________ ESS 650 ACM-R Upgrades
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01-31-2011, 03:55 PM	#8
enrita Major General 161 Rep 7,377 Posts Drives: 335i - Big turbos Join Date: Sep 2008 Location: Italian in Sweden iTrader: (0)	yeah tell that to my GF... thank god Procede doesnt boost when cold. __________________ 07 335i AT - MOTIV 750 - MHD E85 BMS flash - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Snow Stg. 3 - 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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01-31-2011, 03:58 PM	#9
Rob@Cobb Lieutenant 41 Rep 468 Posts Drives: 2011 E92 335i ///M Pack Join Date: Dec 2010 Location: Austin, TX iTrader: (0)	The stock ECU does limit torque when the motor is cold. Cheers, Rob
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02-02-2011, 08:38 PM	#12
Glowin Captain 73 Rep 978 Posts Drives: X3 35 & 335i now - M2/M4 next? Join Date: Jun 2009 Location: Seattle iTrader: (0)	Bump... Would love to hear from Cobb on why the 535 are neutered so much vs. the 335 maps.
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02-04-2011, 10:45 PM	#19
okai_bm New Member 0 Rep 5 Posts Drives: 335i Join Date: Jan 2011 Location: lonestar iTrader: (0)	can't wait to see the new dyno graph for 535i
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04-15-2011, 11:46 AM	#22
vasillalov Mad Linux Guru On The Loose 1121 Rep 5,396 Posts Drives: 2008 335i Sedan, 2023 M3 Join Date: Aug 2009 Location: Chicago, IL iTrader: (5) Garage List 2023 BMW M3 [0.00] 2008 335i E90 [8.00]	I've noticed that once the oil temps pass 180, the car drives like a mad beast... But of course I have no other proof than the butt dyno. __________________ 6MT \| COBB \| AR \| AE \| Forge DV \| HPF \| P3 Gauge \| Hybrid Intake \| O.S.Giken TCD \| All M3 bits \| TCKLine \| StopTech \| UUC \| ER \| SPEC
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