F Series MHD - Open Beta

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Jamesno1
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Re: F Series MHD - Open Beta

Post by Jamesno1 » Thu Apr 12, 2018 1:11 pm

Will this feel stronger than a tmc box?
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Wibbles
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Re: F Series MHD - Open Beta

Post by Wibbles » Thu Apr 12, 2018 3:46 pm

chall5 wrote:
Thu Apr 12, 2018 12:23 pm
Thanks for the info. Kinda strange the F series has been opened up via OBD but not the late E series
The reason is that the exploit for unlocking the DME in an F series is not the same for late N55 E series cars.
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Re: F Series MHD - Open Beta

Post by Wibbles » Thu Apr 12, 2018 3:50 pm

Jamesno1 wrote:
Thu Apr 12, 2018 1:11 pm
Will this feel stronger than a tmc box?
It will be better than any piggyback as it isn't trying to trick the DME into doing something it shouldn't.

Stronger is a subjective thing - you would need to dyno then drive each tune back to back to get meaningful results. I'd rather have a proper remap than a piggyback. you can stack the MHD and JB4 if you want to run a Meth map.
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Re: F Series MHD - Open Beta

Post by R88 » Fri Apr 13, 2018 5:07 am

Is MHD reversible? i.e. can it be detected?

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Re: F Series MHD - Open Beta

Post by Element » Sat Apr 14, 2018 12:38 pm

R88 wrote:
Fri Apr 13, 2018 5:07 am
Is MHD reversible? i.e. can it be detected?
Yes, it is reversible in the sense that you can flash back to stock...however that does not mean that tampering with the ECU map would be rendered invisible after reverting back. It's all about who is looking and how hard they want to look. Anyone who says their tune (or rather the process that they use to tune) is "untraceable" is lying to you.
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Re: F Series MHD - Open Beta

Post by E8 Carl » Fri Apr 27, 2018 8:39 pm

I am going to install MHD on my car when the K+DCAN cable finally arrives. The advice is to have a battery charger connected when flashing. I have a ctek msx 5.0, would this be suitable? I will connect the charger the night before flashing to make sure the battery is fully topped up and leave it on while flashing.
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Re: F Series MHD - Open Beta

Post by Wibbles » Sun Apr 29, 2018 9:34 am

E8 Carl wrote:
Fri Apr 27, 2018 8:39 pm
I am going to install MHD on my car when the K+DCAN cable finally arrives. The advice is to have a battery charger connected when flashing. I have a ctek msx 5.0, would this be suitable? I will connect the charger the night before flashing to make sure the battery is fully topped up and leave it on while flashing.
TIA.
Yes, that will be fine.
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Re: F Series MHD - Open Beta

Post by E8 Carl » Sun Apr 29, 2018 9:40 am

Wibbles wrote:
Sun Apr 29, 2018 9:34 am
E8 Carl wrote:
Fri Apr 27, 2018 8:39 pm
I am going to install MHD on my car when the K+DCAN cable finally arrives. The advice is to have a battery charger connected when flashing. I have a ctek msx 5.0, would this be suitable? I will connect the charger the night before flashing to make sure the battery is fully topped up and leave it on while flashing.
TIA.
Yes, that will be fine.
Thank you.
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Re: F Series MHD - Open Beta

Post by mick.86uk » Tue May 01, 2018 10:38 am

Srjlewis17 wrote:Yeah but haven't looked through them yet. Monitored them live and all seems fine. Cold start removal is a god send
I’m looking at going down the MHD route, mainly for the cold start delete as my BCS powervalve rattles super loud during the cold start. I’d also go for the Stage 2 map once I’ve fitted a CSF intercooler.

What was the total cost for it all, is it iOS compatible or Android only?




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Re: F Series MHD - Open Beta

Post by Blind Pugh » Tue May 01, 2018 10:50 am

mick.86uk wrote:
Tue May 01, 2018 10:38 am
Srjlewis17 wrote:Yeah but haven't looked through them yet. Monitored them live and all seems fine. Cold start removal is a god send
I’m looking at going down the MHD route, mainly for the cold start delete as my BCS powervalve rattles super loud during the cold start. I’d also go for the Stage 2 map once I’ve fitted a CSF intercooler.

What was the total cost for it all, is it iOS compatible or Android only?
MHD is android app only IIRC just now.

Also, if going stg 2, do you have hi flo DP installed already ?
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Re: F Series MHD - Open Beta

Post by GeoffCollins » Tue May 01, 2018 10:55 am

Do you need the better intercooler to do the Stage 2+? I am thinking about MHD for the cold start removal too, will it be putting much more strain on the engine than the JB4 on Map5?

I have a high flow DP, intake and charge pipe, but stock intercooler, it runs well on the JB4
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Re: F Series MHD - Open Beta

Post by mick.86uk » Tue May 01, 2018 10:55 am

Blind Pugh wrote:
mick.86uk wrote:
Tue May 01, 2018 10:38 am
Srjlewis17 wrote:Yeah but haven't looked through them yet. Monitored them live and all seems fine. Cold start removal is a god send
I’m looking at going down the MHD route, mainly for the cold start delete as my BCS powervalve rattles super loud during the cold start. I’d also go for the Stage 2 map once I’ve fitted a CSF intercooler.

What was the total cost for it all, is it iOS compatible or Android only?
MHD is android app only IIRC just now.

Also, if going stg 2, do you have hi flo DP installed already ?
Suppose I could buy a Android tablet or wait for a iOS release.

I’ve got the BCS 200 Cell DP fitted so good to go once I’ve installed the FMIC.


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2014 F20 M135i - Manual - Glacier Silver - Pro Nav - HK Audio - Drexler LSD - BBS CH-Rs - JB4 MHD BEF - BCS Cat - BCS Powervalve - M4 LCAs - Bilstein B14s - aFe Drop In & Scoop
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Re: F Series MHD - Open Beta

Post by GeoffCollins » Tue May 01, 2018 10:56 am

Srjlewis17 wrote:
Tue Apr 10, 2018 2:39 pm
Been running this for a few weeks. Highly recommended

Stage 2+ is an absolute animal
Are you running an uprated FMIC?
M135i (2014 Manual) - Custom Stainless Exhaust, JB4, BMS Intake, M4 LCA, Eibach Pro's, Cades Bern Wheels, Reiger Diffuser, Maxton Splitter, Double Slat Grills, M4 Mirror Caps

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Re: F Series MHD - Open Beta

Post by Blind Pugh » Tue May 01, 2018 11:16 am

GeoffCollins wrote:
Tue May 01, 2018 10:56 am
Srjlewis17 wrote:
Tue Apr 10, 2018 2:39 pm
Been running this for a few weeks. Highly recommended

Stage 2+ is an absolute animal
Are you running an uprated FMIC?
Yup - I had one on my m135i [Wagner Comp evo 2] - only changed it once I ran my Jb4 at higher boost psi with octane booster ie map 5 and map 7. Heatsoak was very noticeable. From my experience of Jb4 m135i in UK climate OE FMIC is fine upto ~ 16psi.

It's worth noting that p/backs work differently to remaps as they fool DME into providing more boost. Whereas OBD remaps are more sophisticated, in that can get similar gains c/w lower boost levels. Heat management is a common issue though, hence higher flo DP will always be a given - to keep EGT's in check and reduce thermal stress on turbo - I'd be willing to bet FMIC upgrade is 'CYA' by tuners and slant to get us to spend more £££ on bolt-ons.....
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Re: F Series MHD - Open Beta

Post by GeoffCollins » Tue May 01, 2018 11:20 am

Blind Pugh wrote:
Tue May 01, 2018 11:16 am
GeoffCollins wrote:
Tue May 01, 2018 10:56 am
Srjlewis17 wrote:
Tue Apr 10, 2018 2:39 pm
Been running this for a few weeks. Highly recommended

Stage 2+ is an absolute animal
Are you running an uprated FMIC?
Yup - I had one on my m135i [Wagner Comp evo 2] - only changed it once I ran my Jb4 at higher boost psi with octane booster ie map 5 and map 7. Heatsoak was very noticeable. From my experience of Jb4 m135i in UK climate OE FMIC is fine upto ~ 16psi.

It's worth noting that p/backs work differently to remaps as they fool DME into providing more boost. Whereas OBD remaps are more sophisticated, in that can get similar gains c/w lower boost levels. Heat management is a common issue though, hence higher flo DP will always be a given - to keep EGT's in check and reduce thermal stress on turbo - I'd be willing to bet FMIC upgrade is 'CYA' by tuners and slant to get us to spend more £££ on bolt-ons.....
Looks like I might have to invest in a front mount :lol:

And what is the risk of it turning your car into a large brick, just don't want to get it wrong :lol:
M135i (2014 Manual) - Custom Stainless Exhaust, JB4, BMS Intake, M4 LCA, Eibach Pro's, Cades Bern Wheels, Reiger Diffuser, Maxton Splitter, Double Slat Grills, M4 Mirror Caps

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