First MHD+ feature, ethanol content reading over CANBUS for F-series S55/N55/N13

MHD Tuning · 01-26-2021, 11:25 AM

Today we are proud to announce the public release of our first MHD+ feature, ethanol content reading over CANBUS for F-series S55/N55/N13.

CANBUS sensor integration allows a truly flexible way for users to add a multitude of sensor inputs and outputs to the DME, as you are no longer limited by the number of "available physical pins." For the initial release, we have provided deep integration for two popular devices: the Motiv Motorsport Re|Flex, and the Zeitronix ECA-2 CAN.

Hooking up the Zeitronix ECA-2 CAN and flashing with our flash option preset for it will allow you to view and log Ethanol % and Fuel temperature (as pictured).
Hooking up the Motiv Re|Flex and flashing with our flash option preset for it will allow you to view and log Ethanol %, Port Injection DC, Port Injector errors, as well as the Re|Flex's auxiliary input and output data.

We have also added in depth safeties and failsafes surrounding this integration. For example, if there is an issue with a CAN sensor signal (timeout, etc), ethanol water contamination, Re|Flex PI injector issue, etc, the car will throw a check engine light and enter a low power limp mode for safety. The "Read Codes" screen in MHD will show these new custom diagnostic codes such as MHD001, MHD002 etc along with the description (as pictured). These error codes function exactly like OEM: they are properly debounced, maintain a "shadow code" copy when appropriate, and can be configured individually if they should / shouldn't cause a low power limp mode! We want to ensure 100% safety is maintained with all new features.

As you may have guessed, this all ties in directly with one of our next upcoming features, FlexFuel! Stay tuned!

Eric SS · 01-26-2021, 11:55 AM

That's pretty awesome. My SS Sedan is flex tuned and it makes it so nice to be able to just throw whatever in if I need to.

The water contamination feature is a great failsafe. I had some water contamination once and it pegged my E sensor at 100% which is obviously the opposite of what you want to happen when you have bad gas and your sensor is telling the computer to add even more timing because it reads 100% ethanol. This happened to a lot of us in Phoenix a few months ago and a few of the imports blew up because of the bad E batch. A fail safe would have probably saved them.

fiveohwblow · 01-26-2021, 12:01 PM

Quote:

Originally Posted by Eric SS

That's pretty awesome. My SS Sedan is flex tuned and it makes it so nice to be able to just throw whatever in if I need to.

The water contamination feature is a great failsafe. I had some water contamination once and it pegged my E sensor at 100% which is obviously the opposite of what you want to happen when you have bad gas and your sensor is telling the computer to add even more timing because it reads 100% ethanol. This happened to a lot of us in Phoenix a few months ago and a few of the imports blew up because of the bad E batch. A fail safe would have probably saved them.

Funny enough it was the station on the west side correct? Or so I have heard the rumors... been running it as has my buddy with 1000 rwhp termi with zero issues. Termi has standalone and e monitor, never got any of this bad batch. Was it literally one day?

Well done MHD, the race between you and PTF seems to have been won.....

Eric SS · 01-26-2021, 12:06 PM

Quote:

Originally Posted by fiveohwblow

Funny enough it was the station on the west side correct? Or so I have heard the rumors... been running it as has my buddy with 1000 rwhp termi with zero issues. Termi has standalone and e monitor, never got any of this bad batch. Was it literally one day?

Well done MHD, the race between you and PTF seems to have been won.....

It was at every E85 station in the valley as far as I know but for me it was the station on Scottsdale and Val Vista. It didn't affect the E54 stations. I filled up and the car ran a little rough and the E was reading 100%. The next day I posted in the AZ Ethanol group on FB and everyone else was having problems as well. Those with flex fuel made it out OK. Those without flex fuel tuning had issues. Some wouldn't even idle away from the gas stations. Hopefully it was just a one off issue!

MHD Tuning · 01-27-2021, 07:05 AM

More features will be released very soon. Good times ahead for all S55 guys

OneAngryBunny · 05-01-2021, 08:11 AM

Any update on those new features, how it’s coming, or release date?

Got this MHD CAN flex fuel analyzer kit I’d really like to put to food use 😁

01-26-2021, 11:25 AM	#1
MHD Tuning Banned 1978 Rep 345 Posts Drives: M3F80#M5F90#340iF31#SupraA90 Join Date: Feb 2015 Location: Germany iTrader: (0)	First MHD+ feature, ethanol content reading over CANBUS for F-series S55/N55/N13 Today we are proud to announce the public release of our first MHD+ feature, ethanol content reading over CANBUS for F-series S55/N55/N13. CANBUS sensor integration allows a truly flexible way for users to add a multitude of sensor inputs and outputs to the DME, as you are no longer limited by the number of "available physical pins." For the initial release, we have provided deep integration for two popular devices: the Motiv Motorsport Re\|Flex, and the Zeitronix ECA-2 CAN. Hooking up the Zeitronix ECA-2 CAN and flashing with our flash option preset for it will allow you to view and log Ethanol % and Fuel temperature (as pictured). Hooking up the Motiv Re\|Flex and flashing with our flash option preset for it will allow you to view and log Ethanol %, Port Injection DC, Port Injector errors, as well as the Re\|Flex's auxiliary input and output data. We have also added in depth safeties and failsafes surrounding this integration. For example, if there is an issue with a CAN sensor signal (timeout, etc), ethanol water contamination, Re\|Flex PI injector issue, etc, the car will throw a check engine light and enter a low power limp mode for safety. The "Read Codes" screen in MHD will show these new custom diagnostic codes such as MHD001, MHD002 etc along with the description (as pictured). These error codes function exactly like OEM: they are properly debounced, maintain a "shadow code" copy when appropriate, and can be configured individually if they should / shouldn't cause a low power limp mode! We want to ensure 100% safety is maintained with all new features. As you may have guessed, this all ties in directly with one of our next upcoming features, FlexFuel! Stay tuned! Attached Images
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01-26-2021, 11:55 AM	#2
Eric SS Lieutenant 195 Rep 467 Posts Drives: 2016 Chevy SS Sedan Join Date: Mar 2011 Location: Phoenix iTrader: (0)	That's pretty awesome. My SS Sedan is flex tuned and it makes it so nice to be able to just throw whatever in if I need to. The water contamination feature is a great failsafe. I had some water contamination once and it pegged my E sensor at 100% which is obviously the opposite of what you want to happen when you have bad gas and your sensor is telling the computer to add even more timing because it reads 100% ethanol. This happened to a lot of us in Phoenix a few months ago and a few of the imports blew up because of the bad E batch. A fail safe would have probably saved them. __________________ 2011 335is Black/Oyster. 1 of 46 without moonroof (total of all years): JB4 E50 tune, gone 2013 335i M Sport JB4: Estoril Blue gone 2018 M4 ZCP: current 2023 X3M Comp: current
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01-27-2021, 07:05 AM	#5
MHD Tuning Banned 1978 Rep 345 Posts Drives: M3F80#M5F90#340iF31#SupraA90 Join Date: Feb 2015 Location: Germany iTrader: (0)	More features will be released very soon. Good times ahead for all S55 guys
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05-01-2021, 08:11 AM	#6
OneAngryBunny New Member 0 Rep 6 Posts Drives: BMW f83, E60 535xi Join Date: Mar 2021 Location: Lancaster, PA iTrader: (0)	Any update on those new features, how it’s coming, or release date? Got this MHD CAN flex fuel analyzer kit I’d really like to put to food use 😁
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