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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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      03-08-2012, 02:38 PM   #4203
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      03-08-2012, 02:39 PM   #4204
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      03-08-2012, 02:54 PM   #4205
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Quote:
Originally Posted by RimasRS View Post
Sorry guys just a stupid question to which I can't find the answer.
I'm receiving a COBB AP so first step should be that I'm connecting it to PC for firmware update? Or connecting it to the car for ROM recognition?

Appreciate...


plug it in the car first to see what rom you are because not every car has the same rom. then go back to the computer for maps, updates etc...
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      03-08-2012, 03:46 PM   #4206
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There is a manual included in the AP and tons of info on their site.....
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      03-08-2012, 05:05 PM   #4207
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new here.... got my 335i a month ago, i checked my maintenance history, the software was updated when the hpfp was replaced, i felt really power less when the engine is running under 3k rpm on first and second gear.... is it because the software update to stop the wastegate rattle?
i am pretty sure installing the AP will definitely bring back the power, but will it also bring back the wastegate rattle?
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      03-08-2012, 05:51 PM   #4208
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Anyone experience SES light on with codes Pp2ef4, P0128, Map controlled temperature failure and thermostat temp running lower than normal operating temp? Is the thermostat stuck open? When I remove the Cobb tune from the car and drive no codes appear. Why is Cobb making codes appear? Any help from Cobb team would be appreciated
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      03-08-2012, 05:57 PM   #4209
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Quote:
Originally Posted by Smokn944 View Post
Anyone experience SES light on with codes Pp2ef4, P0128, Map controlled temperature failure and thermostat temp running lower than normal operating temp? Is the thermostat stuck open? When I remove the Cobb tune from the car and drive no codes appear. Why is Cobb making codes appear? Any help from Cobb team would be appreciated
Try to install the cobb. than remove key for 20 seconds, reinsert the key and start the car.
If you still get it i suggest you email cobb directly for support.
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      03-08-2012, 06:38 PM   #4210
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Hi, so equipped with v4.00 which is pulling smoother and more like the original stock linear N/A feeling, just 'more'.

Since I got the cobb though I've read about 'pulling timing'.

Is that what I have here, or is this just mistiming introduced to impart a burble and rortiness into the engine note? The engine became naughtier sounding a few years ago when my WG upgrade was done and I'd assumed that some new bmw software deployed at that time introduced that, but this seems to be a COBB thing too.

Anyhow, no codes or anything, and otherwise happy.

See attached for a various second and third gear pulls.

Is this normal?

Cheers
Chris

P.m. forgot to add, keen to know before I start chucking LSD and suspension onto the car. Cheers
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File Type: zip datalog1.zip (51.0 KB, 30 views)
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      03-08-2012, 06:50 PM   #4211
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Quote:
Originally Posted by Juicehead View Post
Rob....

Will the revised maps address the random wastegate cycling? At least that is what I have been told it is...

I can be crusing at a given RPM and throttle setting and suddenly the exhaust volume increases a few decibels and it pops like crazy on decel. This lasts for a good 30 seconds or so then returns to normal.

Please let us know as it gets fairly annoying.
also observing this - corrected in the new beta maps?
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      03-08-2012, 07:09 PM   #4212
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Beta maps and Beta firmware

Pretty new to using AP (had for 3 wks or so) and have a question...

I'm trying to test out the new 4.00 maps. I'm currently running firmware 1.6.5.0-3122 and was trying to update to Beta firmware 1.6.5.0-3587 but it's failing. Do I even need to do this to try out the 4.00 maps or can I just download the maps and use them with -3122?

Thanks for the help!!
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      03-08-2012, 07:45 PM   #4213
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Quote:
Originally Posted by JamJay View Post
Can you go into any more details on the differences that you felt between v3.01 and v400? Does the car feel quicker, slower, what are its improvements?

Stage 1 and Stage 2 mapping is a good bit more powerful. Stage 2+FMIC is simply smoothed.

Cheers,
Rob
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      03-08-2012, 07:48 PM   #4214
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Quote:
Originally Posted by RimasRS View Post
Sorry guys just a stupid question to which I can't find the answer.
I'm receiving a COBB AP so first step should be that I'm connecting it to PC for firmware update? Or connecting it to the car for ROM recognition?

Appreciate...
Here is a great place to start:
http://www.cobbtuning.com/BMW-Access...s-installation

Cheers,
Rob
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      03-08-2012, 07:49 PM   #4215
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Quote:
Originally Posted by Smokn944 View Post
Anyone experience SES light on with codes Pp2ef4, P0128, Map controlled temperature failure and thermostat temp running lower than normal operating temp? Is the thermostat stuck open? When I remove the Cobb tune from the car and drive no codes appear. Why is Cobb making codes appear? Any help from Cobb team would be appreciated
Enrita is correct. Make sure to remove the key from the ignition for at least 10 seconds after a flash has completed.

Cheers,
Rob
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      03-08-2012, 10:37 PM   #4216
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Ok will do, Thanks for the fast reply and support, will get back once I have time after work!
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      03-08-2012, 11:43 PM   #4217
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Ran S2+Sport quite hard this evening... no erros or hiccups... runs great! Here is a log from this morning... it's a 2nd/3rd gear run from a dig. As you can see, I couldn't just mash the pedal down because I lose traction (even easing it in like I did, I was still losing traction... but eventually hooked up in 3rd)

I just had a couple questions on how to interpret some of the data... I don't know what any of the variables signify in this first graph I made...

And just wanted to see what you guys thought about the timing... I had some issues with timing earlier on (we thought it was due to bad gas)... right now since I'm running Sport map and changed gas stations (Shell 93), the timing is improved... is this a reasonable timing curve?

Thanks!
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File Type: zip datalog2.zip (7.4 KB, 24 views)
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      03-08-2012, 11:50 PM   #4218
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Quote:
Originally Posted by skim7x View Post
Ran S2+Sport quite hard this evening... no erros or hiccups... runs great! Here is a log from this morning... it's a 2nd/3rd gear run from a dig. As you can see, I couldn't just mash the pedal down because I lose traction (even easing it in like I did, I was still losing traction... but eventually hooked up in 3rd)

I just had a couple questions on how to interpret some of the data... I don't know what any of the variables signify in this first graph I made...

And just wanted to see what you guys thought about the timing... I had some issues with timing earlier on (we thought it was due to bad gas)... right now since I'm running Sport map and changed gas stations (Shell 93), the timing is improved... is this a reasonable timing curve?

Thanks!
No you're still dropping timing in multiple cylinders. That's not good at all. I'm sure you don't want to hear it but how old are your plugs? Also can you add the hpfp/lpfp req/actual monitors? Could be a failing fuel system... Unlikely but worth a look since its easy enough to do.

I have 32k miles on my original plugs and maybe I'm luckier than others but worth asking.
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      03-09-2012, 12:04 AM   #4219
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Quote:
Originally Posted by themyst View Post
No you're still dropping timing in multiple cylinders. That's not good at all. I'm sure you don't want to hear it but how old are your plugs? Also can you add the hpfp/lpfp req/actual monitors? Could be a failing fuel system... Unlikely but worth a look since its easy enough to do.

I have 32k miles on my original plugs and maybe I'm luckier than others but worth asking.
I only have about 10k miles on the plugs. Think it's worth just changing out the plugs?

About a week ago I started getting long cranks and checked for codes and I had a "HPFP plausibility" code... I uninstalled the Cobb, but the long cranks went away and the code didn't come back for a week. I just re-installed the Cobb last night with v400 and I still have no long cranks (haven't checked for codes yet).

Here's the HPFP info from that run... didn't get the LPFP...
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      03-09-2012, 12:09 AM   #4220
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Quote:
Originally Posted by skim7x View Post
I only have about 10k miles on the plugs. However, about a week ago I started getting long cranks and checked for codes and I had a "HPFP plausibility" code... I uninstalled the Cobb, but the long cranks went away and the code didn't come back for a week. I just re-installed the Cobb last night with v400 and I still have no long cranks (haven't checked for codes yet).

Here's the HPFP info from that run... didn't get the LPFP...
Good info. Look at timestamp 121-130 on both logs for timing/hpfp. You're slightly below HPFP target at which point at 130 you dropped timing on two cylinders close to each other. If you had a long crank could be your HPFP going out.

I'd send this data over to Cobb and see if they can confirm your HPFP's not up to the task. Right now it's pure speculation but if your plugs are reasonably new, you're running 93 octane gas, have all the supporting mods, it's time to start exploring the idea of your hardware going out.
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      03-09-2012, 12:21 AM   #4221
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Thanks bro... I just e-mailed the datalog to Rob... I was hoping to get a new HPFP, but without being able to reproduce the long cranks or get any HPFP codes while running stock, I don't think BMW will change the pump =/
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      03-09-2012, 12:26 AM   #4222
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Quote:
Originally Posted by skim7x View Post
Thanks bro... I just e-mailed the datalog to Rob... I was hoping to get a new HPFP, but without being able to reproduce the long cranks or get any HPFP codes while running stock, I don't think BMW will change the pump =/
If you're throwing a 2AAF Fuel Pump Plausibility code that is not HPFP related. That is related to the LPFP not being able to keep up and is not indicative of a hardware failure.

If you threw a 2FBF code, then take that thing to the dealer and get yourself a new pump!
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      03-09-2012, 12:33 AM   #4223
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Quote:
Originally Posted by themyst View Post
If you're throwing a 2AAF Fuel Pump Plausibility code that is not HPFP related. That is related to the LPFP not being able to keep up and is not indicative of a hardware failure.

If you threw a 2FBF code, then take that thing to the dealer and get yourself a new pump!
I can't remember the actual code, but the description on the Cobb AP was "Fuel Pump Plausibility" so maybe it wasn't the HPFP. Either way I drove a whole week stock (I forgot how quick the car is even stock... but I missed the Cobb desperately) and couldn't induce any codes... I'll see what Rob says about the log...

Maybe I DO need new plugs... I know some of the highly modded Subaru guys change their plugs every 10-12k miles.
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      03-09-2012, 02:23 AM   #4224
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Quote:
Originally Posted by Alpina_B3_Lux View Post
Apparently it is possible to directly flash over another remap. People have already done that with a GIAC remap IIRC. However, note that your Evolve remap will not be stored by the AP as it is encrypted and the AP cannot read it; it will therefor replace it with a generic map.

I would recommend reflashing to stock at a BMW dealership in order to avoid having problems with diagnosing if something does not work as it should - it would then be difficult to know whether this was caused by the generic map used or by the COBB tune.

Alpina_B3_Lux
Great... Thanks for the advice, will remove the Evolve map and get the latest BMW DME stock software before i install.

Question for Cobb... Are there any known compatibility issues with your maps and the latest BMW software version?
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