WMI Update B58

kriszty · 05-08-2021, 03:23 AM

How reliable is the WMI setup for the BMW B58 , planning for running a 50/50 mix, together with a Torqbyte controller.. goal is to run regular 98 gas instead of the expensive 100+ gas.

but i also read some horror stories about some engines destroyed cause sometimes the WMI not reaching cylinder 1/6 .

My dealer said running WMI with a CM7 nozzle on a charge pipe is reliable enough today !!

Glemm1970 · 05-08-2021, 07:13 PM

Quote:

Originally Posted by kriszty

How reliable is the WMI setup for the BMW B58 , planning for running a 50/50 mix, together with a Torqbyte controller.. goal is to run regular 98 gas instead of the expensive 100+ gas.

but i also read some horror stories about some engines destroyed cause sometimes the WMI not reaching cylinder 1/6 .

My dealer said running WMI with a CM7 nozzle on a charge pipe is reliable enough today !!

Pure800 Dorch 1 + WMI 80/20(CM7/2) + 98Ron = 23/24psi limit. 50/50 No!
Pure800 Dorch 2 + WMI 100% (CM7/CM10) + E40= 27/28psi Ok!

G.Newt · 05-08-2021, 09:17 PM

CPI does not distribute evenly to all cylinders. I think it works best as an IAT crutch, unless you do PI. That would be a reliable setup.

Uni-Rapide · 05-09-2021, 05:09 AM

I don't have experience with WMI but from what I've read I agree with G.Newt and use charge pipe injection only for cooling. Use port injection if you want to use it for fuel.

bigdnno98 · 05-09-2021, 11:21 AM

Quote:

Originally Posted by G.Newt

CPI does not distribute evenly to all cylinders. I think it works best as an IAT crutch, unless you do PI. That would be a reliable setup.

The problem with meth PI, is that the injectors are very small and clog easily, and when/if a PI meth nozzle clogs, that cylinder is toast. My personal preference is ethanol PI, as the injectors are larger and much less prone to clogging.

05-08-2021, 03:23 AM	#1
kriszty Lieutenant 329 Rep 532 Posts Drives: B58 M240ix pureturbo800 dorch1 Join Date: May 2007 Location: Holland iTrader: (0)	WMI Update B58 How reliable is the WMI setup for the BMW B58 , planning for running a 50/50 mix, together with a Torqbyte controller.. goal is to run regular 98 gas instead of the expensive 100+ gas. but i also read some horror stories about some engines destroyed cause sometimes the WMI not reaching cylinder 1/6 . My dealer said running WMI with a CM7 nozzle on a charge pipe is reliable enough today !! __________________ Bmw M240i Xdrive , Dorch Stage 1 , pure turbo 800 , Midpipe , Remus exhaust. Bootmod3 , 100+ E5
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05-08-2021, 09:17 PM	#3
G.Newt Major 806 Rep 1,452 Posts Drives: CT4-V Blackwing 6MT Join Date: Feb 2017 Location: CO -> TX iTrader: (0)	CPI does not distribute evenly to all cylinders. I think it works best as an IAT crutch, unless you do PI. That would be a reliable setup. __________________ 2022 CT4-V Blackwing 6-speed SOLD: 2016 340i xDrive 6-speed DAW v2.5 turbo E40 \| Dorch S2 \| VRSF DP \| MST intake \| AWE catback \| 335is clutch \| CSF heat exchanger \| RK Autowerks intake manifold \| Orange M Perf Brake Kit \| KW Street Comfort coilovers \| GTS taillights V2
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05-09-2021, 05:09 AM	#4
Uni-Rapide Private First Class 71 Rep 122 Posts Drives: 2019 F30 340i Join Date: Jul 2017 Location: Netherlands iTrader: (0)	I don't have experience with WMI but from what I've read I agree with G.Newt and use charge pipe injection only for cooling. Use port injection if you want to use it for fuel. __________________ Mods: 19" HRE FF15, M Performance diffuser, Bilstein B16 Damptronic, VRSF catted downpipe, Remus catback, Dorch St1, Pure 800, OS Giken LSD, Ross Racing PCV+OCC V1
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