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      01-14-2022, 08:13 PM   #1
Yam_440i
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MPPSK paired with MHD

Hi all
I recently purchased a 440i GC and about to fit a MPPSK system to it.

I was wondering can I just fit the exhaust and use mhd to flash the MPPSK stage 1 on it without BMW putting on MPPSK software on my car?

If I were to get the MPPSK + tune, and then I flashed MHD Stage 1, would that change the function/sound/burble settings of the exhaust given that I'm changing the tune?

Sorry if the questions are confusing, just trying to get my head around it
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      01-14-2022, 08:36 PM   #2
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MHD would override the MPPSK tune. If you just get the exhaust and use MDH it would be basically the same.
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      01-14-2022, 09:55 PM   #3
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Do you have warranty? If no warranty then just go stage 1 if you have the supporting mods.
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      01-15-2022, 04:00 AM   #4
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Quote:
Originally Posted by Yam_335i View Post
Hi all
I recently purchased a 440i GC and about to fit a MPPSK system to it.

I was wondering can I just fit the exhaust and use mhd to flash the MPPSK stage 1 on it without BMW putting on MPPSK software on my car?

If I were to get the MPPSK + tune, and then I flashed MHD Stage 1, would that change the function/sound/burble settings of the exhaust given that I'm changing the tune?

Sorry if the questions are confusing, just trying to get my head around it
Burble will sound different. MPPSK tune has a certain sound to it. You can adjust the burble to your liking through MHD, and any stage 1 will be faster than the MPPSK tune. BM3 has a MPPSK burble option that matches the sound exactly if that's what you want. I prefer my own settings though tbh
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      01-15-2022, 04:02 AM   #5
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Quote:
Originally Posted by Hxngs View Post
Do you have warranty? If no warranty then just go stage 1 if you have the supporting mods.
What are the stage 1 supporting mods, a car? 😂
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      01-15-2022, 08:57 AM   #6
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MPPSK Exhaust (Note: not sold separately from the dealers) + MHD MPPSK tune = MPPSK - vehicle warranty (if still existent).

Not sure why you would want to do that. Either go full/legal MPPSK from the dealer, or exhaust (Yes, the mppsk one is a great one) + Stage 1 or Stage 2 tune.
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      01-18-2022, 05:38 PM   #7
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Quote:
Originally Posted by Skyhigh View Post
MPPSK Exhaust (Note: not sold separately from the dealers) + MHD MPPSK tune = MPPSK - vehicle warranty (if still existent).

Not sure why you would want to do that. Either go full/legal MPPSK from the dealer, or exhaust (Yes, the mppsk one is a great one) + Stage 1 or Stage 2 tune.
Quick question if anyone has MHD, can you tell me if it has a similar setting to BootMod3 that retains the factory mppsk burbles?
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      01-19-2022, 01:13 AM   #8
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Quote:
Originally Posted by mgeller View Post
Quote:
Originally Posted by Hxngs View Post
Do you have warranty? If no warranty then just go stage 1 if you have the supporting mods.
What are the stage 1 supporting mods, a car? 😂
Yes. Ethanol 30% blend won't hurt
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      01-20-2022, 04:05 AM   #9
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Quote:
Originally Posted by BimmerBoy21 View Post
Quick question if anyone has MHD, can you tell me if it has a similar setting to BootMod3 that retains the factory mppsk burbles?
Someone correct me if I'm wrong, but from what I have seen, MHD does not have a MPPSK option for their burbles.
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      01-20-2022, 04:15 AM   #10
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You can flash Stage 0+ with MHD, which should be the MPPSK tune itself, incl burbles.

Or you can have another OTS stage and set the burbles manually to match MPPSK or your liking.
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      01-20-2022, 12:03 PM   #11
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I am also interested if its possible to install MHD on B58 and RETAIN ORIGINAL MPPSK burble settings. This is what my purchase decision hinges on. No, you CAN NOT configure MHD burbles to be the same as the MPPSK defined burbles.
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      01-20-2022, 12:39 PM   #12
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Quote:
Originally Posted by motoseb97 View Post
I am also interested if its possible to install MHD on B58 and RETAIN ORIGINAL MPPSK burble settings. This is what my purchase decision hinges on. No, you CAN NOT configure MHD burbles to be the same as the MPPSK defined burbles.
You would need to play with the MHD burble settings to set it the same as MPPSK.

Trial and error.

I personally have the MHD burble settings fully off but still get a nice bang on upshift in the high rpm.

All personal preference.
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      01-20-2022, 12:47 PM   #13
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Quote:
Originally Posted by M140_BCS View Post
You would need to play with the MHD burble settings to set it the same as MPPSK.

Trial and error.

I personally have the MHD burble settings fully off but still get a nice bang on upshift in the high rpm.

All personal preference.
Do you have the MPPSK on your 440i? If so, if you flash a MHD map with "burbles" unchecked, do you still have factory burbles? On N55, this is true. I am curious if it is also true on B58
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      01-20-2022, 04:49 PM   #14
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Can someone confirm, as I'm on the edge of buying MHD or bootmod, (I prefer MHD) and those points will be the deciding factor for me.
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      01-20-2022, 05:13 PM   #15
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I am interested too, but why don't you ask MHD directly?
Let us know what the answer is.
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      01-24-2022, 04:44 PM   #16
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on Bootmod3 you can choose to keep the oem burbles (MPSSK if you have that installed) or BM3's own default burble setup or a fully customized burble setup with any of the flashes.
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      01-27-2022, 07:47 PM   #17
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Quote:
Originally Posted by Skyhigh View Post
I am interested too, but why don't you ask MHD directly?
Let us know what the answer is.

Finally got to the bottom of it, messaged MHD:

simply deactivate the burble option and you have your MPPSK burble if your car is equipped with MPPSK from factory
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      01-29-2022, 11:15 AM   #18
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Correct, un-checking burbles in the MHD options will use stock burbles.

Anyway MPPSK burbles sound terrible, I replaced it with X3 M40i burbles and the difference is night and day.

Quote:
Originally Posted by Yam_335i View Post
Finally got to the bottom of it, messaged MHD:

simply deactivate the burble option and you have your MPPSK burble if your car is equipped with MPPSK from factory
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      01-29-2022, 02:48 PM   #19
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I must say, I am puzzled about how this works, technically….

MHD replaces the stock ECU software. How would it "overtake" specifically the "OEM burble settings" depending on whether there was basic or MPPSK map on the ECU!?
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      01-30-2022, 01:45 AM   #20
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I'll explain more...

MHD does not replace the OEM tune, the installed MHD software re-direct the DME to read from another section of the DME memory which has the OTS or custom tune.

MHD OTS tunes use a stock *40i tune and heavily modify it, so if you have MPPSK you will have stock *40i burbles.

Un-checking the burbles in the MHD options does not mean completely turning off burbles, it means using stock *40i burbles as it is (NOT MPPSK)

If you want MPPSK burbles you have to go custom tune and ask your tuner to copy the MPPSK burbles tables and paste it to the new custom tune.

Quote:
Originally Posted by Skyhigh View Post
I must say, I am puzzled about how this works, technically….

MHD replaces the stock ECU software. How would it "overtake" specifically the "OEM burble settings" depending on whether there was basic or MPPSK map on the ECU!?
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Last edited by IMS-340C; 01-30-2022 at 02:15 AM..
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      01-30-2022, 02:54 AM   #21
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Quote:
Originally Posted by IMS-340MP View Post

Un-checking the burbles in the MHD options does not mean completely turning off burbles, it means using stock *40i burbles as it is (NOT MPPSK)

If you want MPPSK burbles you have to go custom tune and ask your tuner to copy the MPPSK burbles tables and paste it to the new custom tune.
———>

Quote:
Originally Posted by Yam_335i View Post

Finally got to the bottom of it, messaged MHD:

simply deactivate the burble option and you have your MPPSK burble if your car is equipped with MPPSK from factory
Clear contradiction
Which one is it )
Clearly MHD's answer is more likely to be correct and I have seen that answer before.

(Hence my question how it works and how it distinguishes between what stock map (and burbles) were previously on the car.
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      01-30-2022, 03:05 AM   #22
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P.s. another related question I have seen being asked is what does one return to if you chose to return to stock and had MPPSK before MHD??

If not mistaken, MHD brings you back to whatever was there before, hence MPPSK?

Probably related to the definition of "OEM" for Burbles….
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