[MR.]

G-Power has shown on its website a OPF-Delete solution.

I have asked them a lot more information about it, because I am aware how hard it is to make a solution that is 100% failsafe and never throws an error on your display or a limp mode.

Let's see what info comes back! I hope it is a solution that will help all those people with locked ECUs and who don't want to tune their M2C or M2 CS.

MR

[Talx]

Great was going to ask my self.

[doughboy]

Be interesting to see if its a proper fix ...

[MR RIZK]

On face value looks well made

[romeo_f]

Originally Posted by doughboy

Be interesting to see if its a proper fix ...

For that price it better be..

[NISFAN]

Originally Posted by MR.

G-Power has shown on its website a OPF-Delete solution.

I have asked them a lot more information about it, because I am aware how hard it is to make a solution that is 100% failsafe and never throws an error on your display or a limp mode.

Let's see what info comes back! I hope it is a solution that will help all those people with locked ECUs and who don't want to tune their M2C or M2 CS.

MR

It should be a relatively easy thing to do. The actual sensors are there to monitor a blocked OPF condition. They actually aren't used in a classic pressure drop across the OPF technique, which is strange seeing as they use a differential (2 port) sensor.
I suspect BMW have mapped a table in the ECU with a standard response value and then added a plus minus tolerance.

Some testing is required, but I would guess a mechanical option of relocating the pressure tubes to before the primary cat would probably work. Option 1.

By the way, for all options, you only need to do this on one sensor and link the two together.

Another option is to connect the secondary (unused) port to a slight vacuum (intake tube or air box) which would return a higher reading once OPF's are deleted.

Third option is to elbow the exhaust sensor tubes facing upstream. This will add dynamic pressure.

Option 4, fit lower scale sensors from same supplier. For example, change a 1000pa sensor for a 750pa sensor. The 750 will return a higher 0-5v reading for a lower pressure. Provided ambient pressure is around the same value, it should work.

Option 5, fit a CAN module that has 0-5v output. This programmed to read load from CAN and output a suitable 0-5v output directly into the sensors. I suspect AK Motion does something similar to this.

The leads in the above link. No idea what they do, they just look like leads. Without some electronic module built in I can't see how they would work.

[Juliana19]

OP - Did you ever get a respone on this?

[Lost in München]

Greetings!
I have contacted LEIB pefromance about their OPF delete solution.
https://www.leib-engineering.de/en/l...mpetition-f87n

And this is their response:

We tested our deleters with stock software and without OPF for more than a year now.

We tested on several different BMW cars with different engines and we had no problems

with CEL or limb mode. The princip of the deleter is that the pressure sensor can’t show

the low pressure any more to prevent the limb mode.

[MR.]

Originally Posted by Juliana19

OP - Did you ever get a respone on this?

Yes today,

"what I can tell you is that the OPF deleter avoid the changed pressure in the exhaust gas system due to the missing OPF. This works and the first OPF failure is solved.

Currently we run a long-term study with a own M2, clients and international dealer to check if the ECU will note the second failure after a time that the OPF is defect. With this failure, the M2 S55 will go directly in the hard emergency program. Currently it looks very good but the final evidence is still open."

MR

[MR.]

Originally Posted by Lost in München

Greetings!
I have contacted LEIB pefromance about their OPF delete solution.
https://www.leib-engineering.de/en/l...mpetition-f87n

And this is their response:

We tested our deleters with stock software and without OPF for more than a year now.

We tested on several different BMW cars with different engines and we had no problems

with CEL or limb mode. The princip of the deleter is that the pressure sensor can’t show

the low pressure any more to prevent the limb mode.

Interesting this! Is this their own development or sourced from somewhere?

Looks different from what G-Power is offering.

MR

[Lost in München]

Originally Posted by MR.

Interesting this! Is this their own development or sourced from somewhere?

Looks different from what G-Power is offering.

MR

This is their response:

Yes it is our own development. Every other dealer or tuner in this world is in contact with us to buy our OPF Deleters.

The price in our shop is the retail price, but other dealers or tuners may have a higher price.

[VIERsr]

Any updates? Someone is using these OPF deleters?

[Roverin]

I guys, i'm from Italy and i see now this post.

I want to install aftermarket exhaust for eliminate the opf's filters!

Someone has tested one of these products? Thanks

[kart driver]

Everyone from Europe is interested if this does work as described and thus asks the same question.


But nobody answers the question ))

[MR.]

Nope nobody has tested any of this. It is an interesting one...

I am done testing things like this on my car for now.

My car has no warranty anymore and run a tune.

MR

[kart driver]

Originally Posted by MR.

Nope nobody has tested any of this. It is an interesting one...

I am done testing things like this on my car for now.

My car has no warranty anymore and run a tune.

MR

If the AK-motion unit resolves completely the OPF delete issue and there is zero headache with warranty while visiting BMW dealer as a result, then why bother yourself with this new thing?

Or is the AK-motion unit not eliminating the problem of OPF delete?

[Talx]

Originally Posted by kart driver

If the AK-motion unit resolves completely the OPF delete issue and there is zero headache with warranty while visiting BMW dealer as a result, then why bother yourself with this new thing?

Or is the AK-motion unit not eliminating the problem of OPF delete?

I recall a thread on hear that someone was complaining of having a problem with the AK unit.
But other than that the AK unit is complicated and time consuming to install, where this unit is easy fast and plug and play.

I have the AK unit sitting at home waiting for my mid pipe install, but if this works I'll get it Instead of the AK.

[kart driver]

Originally Posted by Talx

I recall a thread on hear that someone was complaining of having a problem with the AK unit.
But other than that the AK unit is complicated and time consuming to install, where this unit is easy fast and plug and play.

I have the AK unit sitting at home waiting for my mid pipe install, but if this works I'll get it Instead of the AK.

Which midpipe are you planning to install?
And why do you need AK motion unit? Do they sell M2Cs in Israel with OPFs?

[BMW1973]

I spoke few days ago with Dominik Leib the CEO of LEIB Engineering.
He sounds like a solid person, so I ordered two units (for two cars) of the LEIB OPF DELETER for BMW M2 Competition.
This is the link:
https://www.leib-engineering.de/en/l...mpetition-f87n

I also ordered another interesting devise: LEIB CAN EXHAUST PRO valve flap control for BMW M2 Competition | F87N, it's main functions:
EXHAUST VALVE FLAP CONTROL
START STOP OFF
STAGING
DELETER | The error entry that occurs by changing the catalyst(s) will be disabled - no error entry, no check engine light (CEL)
And TEMPERATURE GAUGE that allows you to choose between:
• Engine oil temperature [1]
• Intake temperature [2]
• Transmission oil temperature [3]
• Cooling water temperature [4]
• Exhaust temperature [5]

I will post my impression after the installations of the OPF DELETER letting you guys know how it works and ease of installation..

[kart driver]

Originally Posted by guy1973

I spoke few days ago with Dominik Leib the CEO of LEIB Engineering.
He sounds like a solid person, so I ordered two units (for two cars) of the LEIB OPF DELETER for BMW M2 Competition.
This is the link:
https://www.leib-engineering.de/en/l...mpetition-f87n

I also ordered another interesting devise: LEIB CAN EXHAUST PRO valve flap control for BMW M2 Competition | F87N, it's main functions:
EXHAUST VALVE FLAP CONTROL
START STOP OFF
STAGING
DELETER | The error entry that occurs by changing the catalyst(s) will be disabled - no error entry, no check engine light (CEL)
And TEMPERATURE GAUGE that allows you to choose between:
• Engine oil temperature [1]
• Intake temperature [2]
• Transmission oil temperature [3]
• Cooling water temperature [4]
• Exhaust temperature [5]

I will post my impression after the installations of the OPF DELETER letting you guys know how it works and ease of installation..

But why would one buy two items from Leib Engineering for €300 + €500, when AK motion unit costs €409 (with OPF delete cable) and does the same job and on top of that you get a convenient screen which shows different parameters and makes the whole operations more convenient?



Leib Engineering:

https://www.leib-engineering.de/en/l...mpetition-f87n

https://www.leib-engineering.de/leib...tition-f87n-en


AK Motion:

https://burkhart-engineering.com/en/...l-competition/

https://burkhart-engineering.com/en/...ion-f8x-m3-m4/

[BMW1973]

You have a good point but:
I read on sum negative AK feedback regarding OPF cable connectivity issues through installation problems and not having the best customer support.
The main thing I am not willing to block my A/C vent.

[NISFAN]

Originally Posted by BMW1973

You have a good point but:
I read on sum negative AK feedback regarding OPF cable connectivity issues through installation problems and not having the best customer support.
The main thing I am not willing to block my A/C vent.

You only need the vent if you want to have the screen visible.
If all you want is the override features, just Velcro the screen under the passenger footwell panel. You don't have to touch the AKM for it to work.