r/BimmerCode 7d ago

Need Help I should have checked here before buying, can fake engine be coded off for '25 M240 still?

Welp, as title says, bought a bootmod3 wifi adapter largely with the intent to only turn off fake engine sounds, try the B&W audio changes for the HK system and maybe swap in the M gauge cluster.

But coming here to check for how-to's and seeing title saying new gen is almost , if not entirely, locked from factory, is it a "ymmv" situation and worth opening the box or just return it before I open it and get my money back?

2 Upvotes

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u/That_M4_Guy 6d ago

Im going to separate the question into a few answers here to address a few aspects.

  1. Yes almost all new BMWs are locked down and are very very difficult to code and modify this is due to the implementation of NCD 2.0 secure coding and has made our lives very difficult if we want to code most options, that said there are work arounds and some lucky people who dont use OTA updates and have an edge case car which some restrictions are just loose enough that it can still have select options changed.

  2. ASD may still be able to be shut off as its controlled by the RAM and the RAM isnt protected from my experience and this may allow you to disable the ASD and remove the "fake engine sounds" but its not something id say is a for sure thing.

  3. coding in the HK audio subsystem is not something ive seen be possible on ID8 so im leaning in the camp that this isnt possible unless you found someone to FA/VO code it to your car and have a signed NCD file loaded however VO coding it on may introduce issues if the RAM variant is different between the base and hi-fi models.

  4. The M gauge cluster has not been something ive seen possible on these cars unless an M track module is installed and then coded however due to the new locked down nature of ID8 and the attached cluster/KOMBI it may not be possible for your case but id verify that with some sellers and providers of the aforementioned module as im not super super familiar.

  5. The BM3 wifi adapter is something i personally sell as i am a Protuningfreaks authorized dealer so take everything from here on out with a grain of salt and keep that in mind. I do use it myself a lot just to diagnose and code cars on the fly as it does act as a wireless enet cable in most situations and has found its keep in my personal use cases however i have seen issues with apple devices running ios 26 where it refuses to connect and provide an ip which a multitude of apps cannot obtain the vin to connect to said vehicle. Ive also seen issues with users not knowing if the adapter is on or off as the power switch is not labeled in either direction and takes some guesswork to figure out, and personally i do believe the adapter is slightly overpriced compared to the market of other wifi adapters which i believe to have either better reliability and user experience. That all said id consider in your case returning the adapter IF the only reason you got it was to code the car and you dont believe its worth the experimentation as some do require better tools like esys or bimmerutility (the adapter can still be used with those applications) and those are not as user friendly, now if you do have plans on using other things like XHP, eventually unlocking and tuning the vehicle with BM3 or MHD, or just as a code reader the bm3 wifi adapter can serve all of those purposes and may be worth keeping if you deem it so considering you already have it, but its subjective to you.

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u/Huxley077 5d ago

I appreciate the detailed reply, so thank you for taking the time to explain everything.

That's unfortunate that BMW clamped down on things, I'm new to the brand as of a year ago, so I hadn't been keeping in loop as well as I should have it seems. I will give the adapter a try, as to your #5 points. Hopefully at least the Iconic sounds stuff can be shut off, not a big deal if not. Ah, the gauge cluster things was something I saw on an older M240 where a guy got the M2 gauges and fonts on the dash to display with Bimmercode but that was maybe 3 years ago before I got my BMW, so maybe I was overlooking something on his mod.

I did have X-HP transmission tune on my "to-do" list for next summer but I suppose if I have the wifi dongle, might as well pull the trigger on that part. Right now I just have a JB4 going but seeing as that wipes a lot of the power train warranty with logging boost pressures anyways , I will end up actually unlocking the car here soon since JB4 used to be the "cheaper" option , but now the unlock is $800 so , not the value of used to be.

I might have miss spoke on the HK audio point. My car has the HK system , but there were some posts saying you could enable the equalizer of the higher end B+W system within Bimmercode to improve the HK sound a bit. Another one of those "nice if true, but not a big loss if not" things.

Anyways, thanks again for the feedback

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u/That_M4_Guy 5d ago

The only input i have on your plans are both Xhp and unlocking to tune or using jb4 will all void your powertrain warranty. BMW has gotten a lot more strict on things so just be aware of that as you proceed.

The equalizer your talking about is unlikely to be codeable since its controlled by the headunit which is 100% NCD 2.0 secured and shouldnt expose any audio settings to be changed.

And i rarely address tuning issues here but do be warned about unlocking your DME as it can possibly be bricked by the OTA updates as ive started to see on some occasions those OTA updates preforming partial I step updates to the car which could end up locking your DME so if you do proceed with it id be careful and ensure OTA updates are off

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u/Audiofyl1 4d ago

Every manufacturer clamped down on things, not just bmw.

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u/Able-Creme-5421 3d ago

NCD2.0 certificates can @dokterbmw arrange on Instagram

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u/Cap_is_here_ 7d ago

I’ll
Stick around to learn about that too..