[runningman]

From my reading the fuel pressure is being raised and now BMW can now track this. I saw hints of this from reading the tuner posts but it makes sense now. Just another reason to scan your own car before going in.

[Bubbles]

Originally Posted by JP_335xi

why dont you max out the user torque on the procede.

That SHOULD trigger something

The guys were running very aggressive torque settings.

[Bubbles]

Originally Posted by slubu

Was the '08 with the lag an MSD81?

Yes. He hopes the new 2.32.1 software will fix the lag (as you know he isn't eligible for the lag-fix software).

[3er858]

Thanks for posting... this is all very interesting information! Do you know if the test triggered these codes or were they already triggered from normal driving? In other words, did you clear all codes before you started testing?

[Bubbles]

Originally Posted by 3er858

Thanks for posting... this is all very interesting information! Do you know if the test triggered these codes or were they already triggered from normal driving? In other words, did you clear all codes before you started testing?

All codes were cleared prior to the test runs. As I mentioned before, my car triggers the plausibility fault on demand. My Tech informed me that all Dinan-flashed cars have this fault. It is my understanding that most (if not all) Dinan-Flashed cars trigger this code due to fuel demands.

[getInline]

Originally Posted by slubu

Hmm, isn't that exactly how the tuners got around the fuel trim monitoring? By adding in fuel pressure?

Yes, and exactly why they are monitoring fuel pressure now. It's a Cat and mouse game but the Bavarian Technic tool changes everything.....unless of course it leaves some kind of footprint (and no, I'm not saying it does).

Thanks Bubbles, good info!

[Bubbles]

Originally Posted by getInline

Yes, and exactly why they are monitoring fuel pressure now. It's a Cat and mouse game but the Bavarian Technic tool changes everything.....unless of course it leaves some kind of footprint (and no, I'm not saying it does).

Thanks Bubbles, good info!

Your welcome. Keep in mind BT Tool leaves a footprint that can be viewed on the Dealer's computer. I believe all code readers leave a trail of bread crumbs.

See code below:

[1clean335i]

You got that many modded E9x's together? Shoot me a pm next time you set something up... I know your not too far away...

[Bubbles]

Originally Posted by 1clean335i

You got that many modded E9x's together? Shoot me a pm next time you set something up... I know your not too far away...

Last minute thing, but I'll put you on the list.

[Noize]

I still maintain that it is troublesome we have not seen a 2D25 yet with all the people running around with Bavarian Technic cables now.

[J.P.]

Originally Posted by Bubbles

Your welcome. Keep in mind BT Tool leaves a footprint that can be viewed on the Dealer's computer. I believe all code readers leave a trail of bread crumbs.

See code below:

The newest version February 19th, 2009
Release 1.5.2 is now available with the following changes:

New features

* Added ability to erase shadow fault memory on MSD80/MSD81, MSV80, and MSV70
* New commands for activating and deactivating Transport Mode on MSD80/MSD81, MSV80, and MSV70
* Added fault code for MSD80/MSD81 for tuning box detection "2D18 - manipulation protection - air mass signal plausibility"

This version allows you to delete the "shadow Faults" once you do this the dealer cant see these codes!

[Bubbles]

Originally Posted by JP_335xi

The newest version February 19th, 2009
Release 1.5.2 is now available with the following changes:

New features

* Added ability to erase shadow fault memory on MSD80/MSD81, MSV80, and MSV70
* New commands for activating and deactivating Transport Mode on MSD80/MSD81, MSV80, and MSV70
* Added fault code for MSD80/MSD81 for tuning box detection "2D18 - manipulation protection - air mass signal plausibility"

This version allows you to delete the "shadow Faults" once you do this the dealer cant see these codes!

We were using the latest software 1.5.2 release.
We never had any problem removing shadow codes, but we could not replicate the tuner code with the latest BT Tool software release.

[scottp999]

Great info guys. Just got my enthusiast version today. No codes except for a lighting one, that I fixed today (rear light out). Had the car for just under 2 years now and it has never been back to the dealer since I picked it up the day it got off the truck from NJ.

[krnshinsa]

Is that what BMW is doing now? tracking tunes using the fuel pump code? Or is it speculation? If they are using the fuel pump code to detect tunes wouldn't people need to buy the Bavtech for fear of getting caught? Shouldn't mike a shiv propose a solution if thats the case?

[matthewD]

I have an 08 335i with 6/08 production and JB3. I just got the BT diagnostic tool and found a few codes. The main one was the tuner code:

2D25 - mass air flow excessive - external tuning box detected
2AAF - fuel pump plausibility
30FE - exhaust fume turbo charger, high pressure side
2ABC - charging pressure sensor, electrical (signal or value below threshold)


I cleared all the codes and drove the car with several WOT runs and re-checked the DME with no codes shown. Seems the BT works esp with the tuner code. I did have several radio codes but have no issues with the radio so I'm not sure what that means.

[3er858]

Originally Posted by matthewD

I have an 08 335i with 6/08 production and JB3. I just got the BT diagnostic tool and found a few codes. The main one was the tuner code:

2D25 - mass air flow excessive - external tuning box detected
2AAF - fuel pump plausibility
30FE - exhaust fume turbo charger, high pressure side
2ABC - charging pressure sensor, electrical (signal or value below threshold)


I cleared all the codes and drove the car with several WOT runs and re-checked the DME with no codes shown. Seems the BT works esp with the tuner code. I did have several radio codes but have no issues with the radio so I'm not sure what that means.

That's great news!!! you may be the first one to confirm clearance of the 2D25 code with the BT (Maybe Shiv or Terry already have). What verision/map and octane have you been running in your car? Have you had Limp Mode issues?

[Rotary Rasp]

Originally Posted by matthewD

I have an 08 335i with 6/08 production and JB3. I just got the BT diagnostic tool and found a few codes. The main one was the tuner code:

2D25 - mass air flow excessive - external tuning box detected
2AAF - fuel pump plausibility
30FE - exhaust fume turbo charger, high pressure side
2ABC - charging pressure sensor, electrical (signal or value below threshold)


I cleared all the codes and drove the car with several WOT runs and re-checked the DME with no codes shown. Seems the BT works esp with the tuner code. I did have several radio codes but have no issues with the radio so I'm not sure what that means.

Interesting, try to trigger that code again.

[sd390r]

It will clear the tuning code fine... the GT1 and BT scanned the same codes (they weren't cleared after first scan)

2D18 DME: Manipulation prevention, max. air mass
Tuning protection - maximum possible air/fuel throughput exceeded

also

2AAF DME: Fuel pump, plausibility
Integral component EFPPWM outside valid range

this was on a v31.1 car

why does yours say 2D25 and mine 2D18? they monitor more than one thing as far as tuning code?

[lib]

Originally Posted by getInline

Yes, and exactly why they are monitoring fuel pressure now. It's a Cat and mouse game but the Bavarian Technic tool changes everything.....unless of course it leaves some kind of footprint (and no, I'm not saying it does).

Thanks Bubbles, good info!

It changes everything as long as BMW doesn't start taking ECU security very seriously.

If they start viewing things like the BT cable as an issue it would be fairly easy for them to add an E-fuse system that cannot be erased. (Effectively a little electrical circuit on a chip that will pop a tiny fuse on demand that cannot be undone.) We've been using them on server and game console processors for a while and the tech is fairly simple and essentially no additional hardware required (it's just a few additional circuits on one of the ECU chips).

They could easily set aside a number of fuses on one of the chips inside the ECU and each time the system memory is changed through a diagnostic cable another fuse is poped. If the dealer maintains a count of the current number of blown fuses they could figure out if you're altering the ECU.

They could also (or additionally) assign a handful of fuses to specific codes. IE, every time the ECU detects the "tuner" code(s?) between services it could pop one of the efuses and there would be no way to clear it short of replacing chips in the ECU.

There are dozens of other systems they could implement that would have a similar effect. I'm surprised there isn't something similar in place already (Maybe there is, I don't track that part of the automotive world).

[mid-corner fun]

And here's possibly a pre-29.2 equivalent:

2D58:
2D58 DME digital motor electronics, internal failure: control nominal torque?
Error will cause a warning light
Error is not currently present
Test conditions have been completed
Timeout

http://www.e90post.com/forums/showth...ghlight=galore

[matthewD]

I had about 1300 miles on the car when I went into limp mode (thereby causing the manipaulation code to be stored.) this is the only limp I ever got. It was on a older chip of the JB3 (not sure which one). I run 1.22 now with no issues. It happened in 4th gear during my first hard WOT pull from 4000 rpms after the break-in period. (first 1200 miles). Ambient temps were in the 40s. I shut the car off and restarted it and never could replicate it. Soon after I got 1.22 and now I have 2200 miles on the car. (just got the BT cable today and did the testing for the first time). Like I said in an earlier post, I drove the car after clearing the codes and checked again and I am code free so far. I run map#4 exclusively with 91 octane. I am 06/08 production with no software updates from the dealer and I don't seem to have the turbo lag issues that so many others have. (newer software??) Other than JB3 I have a Helene drop-in air filter.

hope that helps

I did talk to someone at BT and asked if after clearing the codes could the dealer tell that some 3rd party hardware was connected and accessing the DME and he said that no footprints would be left for the dealer to see. He also said they were working on the issues with 08 cars in regards to a new software upgrade to access VIN decoding. (it seems to work on 07 and older models).

[Noize]

Originally Posted by matthewD

I have an 08 335i with 6/08 production and JB3. I just got the BT diagnostic tool and found a few codes. The main one was the tuner code:

2D25 - mass air flow excessive - external tuning box detected
2AAF - fuel pump plausibility
30FE - exhaust fume turbo charger, high pressure side
2ABC - charging pressure sensor, electrical (signal or value below threshold)


I cleared all the codes and drove the car with several WOT runs and re-checked the DME with no codes shown. Seems the BT works esp with the tuner code. I did have several radio codes but have no issues with the radio so I'm not sure what that means.

Sweet!!!!!!!!!!!!!!!!