I bet they're not looking hard enough, not reading the owner's manual, or didn't bother to call their dealership. Due to this insanity that everything has to be done through the tablet/touch screen, they've moved the start/stop disable function to the touch screen. I test drove a 2026 Subaru Crosstrek that had the start/stop function in the infotainment system.

 

Ughhh. Wrote up a reply and apparently it didn't post. Dinan at the time was the only tuning company that could flash the DME that is in my car. BMW instituted a DME lockdown that eventually some tuners were finally able to jail break. MHD was the big thing at the time. Initially, they figured out a jail break procedure but it required you to send the DME to them to do a bench flash. Eventually, they were able to get it done in their tuner. BMW has since made it even harder to jail break the DME in the newer cars. As far as I know, no one has been able to get around the new lockdown. Hence the piggy back tuning modules now being the method to "tune" the engine. Even Dinan has had to use the piggy back module method.

With the BMW bikes, many use a handheld programmer. One of the big players in this space has been a bit controversial. There has been reports that using their tune will disable all DTC trouble code reporting. There is a tuner system from Woolich Racing that allows you pretty much full access to the DME to modify as you wish. But don't care to fumble around in the DME where I could possibly royally screw something up.

My desire to mod any of my vehicles now has waned. I guess it's old age. I now prefer to just buy the level of performance I want stock and leave it alone.

 

Auh ok… my advise stop reading what you find on the internet maybe look into paying for and attending an actual school that teaches EFI/ECU performance calibrating and be part of the trained individuals that know and understand how to use ECU full access programs that give global access that you can change any thing in the ECU and leave no foot print returning it back to your baseline backup program to reinstall.

The safe guards you mention regarding some aspect incorporated in some ECU and insultingly call some that are True ECU calibrator's as Jail breakers because they know how to make any changes in a ECU sorta discredit some of us that properly use their educated not self taught expertise properly.

I would never calibrate a street use vehicle that
would knowingly damage any ECU controlled system or part or increase the exhaust emissions greater then the factory set standards for they year engine and model of vehicle. Clearing counters does not violate any operational system and frankly they don’t in detail show what was changed .



The true test of a truly trained and experienced level of a ECU calibrator both motorcycle and basically any engine is the ability to scratch build a complete ECU operating system from ground zero. Ask your next ECU so called expert if they can do that? Chance are the book of excuses gets pulled out of thier pocket why they don’t or can’t do that. Lol

 

Don't see the need to stop reading the various threads about tunes on the Internet. I'm far from being anything of consequence with tuning. But can usually tell when someone doesn't know what they're talking about. There is a whole thread in the S1000RR forum where someone documented their experience with using a Woolich tuner to make adjustments with his bike. Said he used what he knows from doing ECM mods with his various Corvettes. He provided the settings he made for all of us to mirror.

As I said, I have no desire to get into tuning ECMs on my own nor do I really see myself making tune adjustments on my current vehicles besides the 135i which has already been done. If I were in my 20's, sure I'd probably look into getting some training. Right now, nope.

 

Fair enough at least you are honest …it’s real very time consuming doing it the correct way so not for the faint hearted or committed.

 

There was a user on here who had a 2025 that lacked the button to disable it, even though the manual indicated there was one. He posted pictures of his dash and the options and it was not there. I can't remember which trim it was and I can't find the posts. Lobstah and Calisto both posted in that thread regarding that issue and I believe the consensus was that it was not present in that one trim. There are a number of other vehicles that also lack it, mostly hybrids which are a different breed of cat entirely though.

 

I only know about what I've been reading over the CX-5. There were two different engine codes (8th digit of the VIN). If the VIN showed an L code, then that means the engine does not have auto stop/start and no cylinder deactivation. If the VIN showed an M code, then the engine has auto stop/start and cylinder deactivation. For 2025, if you got the base or select trim, those cars came with the L engine. All other trim levels got the M engine. The turbo engines do not have auto start/stop or cylinder deactivation. I purposely bought my 2025 in the select trim because I did not want auto stop/start or cylinder deactivation.

Things got complicated for the 2024 model year where there was a window in time with production that the higher trim levels didn't get auto stop/start and cylinder deactivation. It was due to supply chain issues for the parts.

 

When in question contact the auto dealer parts department or service department with your questions and give them your complete VIN .

Sometimes unless you use a auto manufacturers website and then it may not be completely accurate because some don’t let you just enter a complete VIN it is better not to totally rely on website information about the features on your specific vehicle.
Most websites rarely ask for the production date which is very important information to confirm your exact vehicle .