[NimbusGarage]

Hi peoples, I somehow lost the firewall grommet while I was installing the JB4 in my 340i, I’m gonna be switching to BM3 hoping for smoother power delivery but after I pull the JB4 I don’t want to have that firewall hole open.

Does anyone know the part number for that grommet?

I’ll upload the horrendous smell from to my catless downpipe to the person that can get me the part number

[B58 parts]

https://f30.bimmerpost.com/forums/sh....php?t=1308096

[j1980mac]

Good luck installing it. Quite the small space.

[Fuel-It!]

If you're not concerned flashing you can load the free JB4 back end flash map via the BM3 or MHD platforms, makes a big difference in performance and smoothness. And you get a lot more features that way like the easy wireless logging to your phone, in dash boost gauge, flapper control, on the fly map changes, etc.

[NimbusGarage]

Originally Posted by YuminNuman

https://f30.bimmerpost.com/forums/sh....php?t=1308096

thanks!

[NimbusGarage]

Originally Posted by Fuel-It!

If you're not concerned flashing you can load the free JB4 back end flash map via the BM3 or MHD platforms, makes a big difference in performance and smoothness. And you get a lot more features that way like the easy wireless logging to your phone, in dash boost gauge, flapper control, on the fly map changes, etc.

Nahh, I’m just gonna stick with the BM3 OTS maps, keep it simple for myself