If I were to do this on the B58, would I connect to the EWG actuator plug? Going big single and I'm still not understanding how the reflex+ would open and close the external wastegate lol
@CD919 Performance If using reflex+, and AUX1 wired straight to MAC valve and other wire to switched 12v. Do you still need to swap PIN 7 to PIN 25? Thank-You Sir!
Planning to go Single Turbo next summer. Just doing as much research as I can. Just to confirm as long as you do the repin for the ECU and have a mac solenoid to the stock solenoid plug, you would not need to have a boost controller and be able to control boost with just MHD/custom tune?
MHD allows 4 map slots, so you could have 4 different boost target maps that you can change on the fly. These maps can target whatever boost you want. Throw all EBC/MBC in the trash.
N54 Goat
Thank you so much
If I were to do this on the B58, would I connect to the EWG actuator plug? Going big single and I'm still not understanding how the reflex+ would open and close the external wastegate lol
Do you need to return it if it'd already tuned for single Turbo to do this?
Is this still the best way for boost control or is motiv?
Thank you for this video. Where can I find the directions for this? I checked the MHD site but didn't see any there.
Nevermind. Found it on a forum just to find out the warning is on the app.. LOL 😅
How would I do it if I already have a 3 port Mac solonoid and a boost controller?
Would i still be able to use if I have jb4 installed too ?? Was planning on doing a MHD bef w/ jb4 .
No required to do this if you use Jb4
Where are the vacuum lines on the Mac solenoid connecting to?
Either the turbo compressor housing or you can tap the intake manifold
@@geo335st thanks bro I got my vacuum source by putting a t fitting from the line that goes to manifold to bov
@@nicholaspoyle8411 yup that works!
What if you’re using ReFlex+? What wiring needs to be done?
If using reflex+ to control boost, then this does not need to be done.
So if you have the plug and play one you don’t need to repin right?
You have to re pin no matter what.
What if you are currently using motiv reflex+ for boost control would there be any gain switching too mhd for boost control (single turbo)
Both work the same.
@CD919 Performance If using reflex+, and AUX1 wired straight to MAC valve and other wire to switched 12v.
Do you still need to swap PIN 7 to PIN 25?
Thank-You Sir!
@@cd919performance3 I have the same question james is asking?
@@JamesDean-rx6wyever figure this out
What does that do when you pull the pin out of the dme
I need custom turning even if i have mhd
So now tuner can control boost like on twins?
Yes if you don't have an electronic or manual boost controller or a JB4
Planning to go Single Turbo next summer. Just doing as much research as I can.
Just to confirm as long as you do the repin for the ECU and have a mac solenoid to the stock solenoid plug, you would not need to have a boost controller and be able to control boost with just MHD/custom tune?
Good question, look forward to seeing what conclusions are drawn. Also trying to avoid having to use Jb4 and back end MHD flash tune.
Correct
You will not need an additional boost controller. The factory ECU controls boost.
Is converting to single bank fueling necessary to run MHD boost control ?
No you do not.
What’s your email? My tuner told me you could not. Now I’m genuinely confused 🙃
How is the boost read/monitored in MHD?
Same as it is on twins.
@@cd919performance3 Ok cool. Appreciate it
So are you able to adjust the mhd boost level or is it one setting
one setting, to adjust u need gfb or any other controller
Depends on your tune and target load. If you want to increase on the fly then you would need a gfb or mbc
Incorrect, you control precise boost and WGDC percent direct from DME to MAC, you don't use a boost controller@@Bmw_doc_pl
MHD allows 4 map slots, so you could have 4 different boost target maps that you can change on the fly. These maps can target whatever boost you want. Throw all EBC/MBC in the trash.
Can we use it with JB4 ?
You don't need this if you have JB4 since it controls your boost with the MAC solenoid when you update to the single turbo firmware
does the 4 port mac work the same
Yes
what's better this or gfb?
This
I think if you want to increase or decrease your boost on the fly then a combo of both would be best
I went on limp mode
How much is your tune for single turbo n54 and do you tune with jb4
His prices are very reasonable but I don't know if he tunes with JB4. But all in all he is a reputable tuner among the N54 community.
@@geo335st yeah I know that but I'm using doc vu and he likes the jb4 so that's what I'm sticking with
@@pvtpelnar11 yeah doc vu is good too. You can't go wrong with either one. But I do know some tuners don't tune with JB4
@@geo335st yeah you're right about that wedge performance. Wouldn't touch mine
@@pvtpelnar11 yeah wedge created MHD so yeah no JB4 lol
You the one tuning my car pops hehe @2mm_4L