How have you modified your underbody panels for 1M Replica Bumper

Mar 21, 2017
178
Maryland
#1
I got a 1M replica bumper and I'm having a hard time trying to figure out what I need in terms of the belly trim to make everything fit nice and OEM-ish. Currently I have the OEM 135i underbody panels installed but I'm sure there is something I can either get or a way to modify what I have to make it fit better. Just looking for anything others have done. Pics for reference.

IMG_4685.JPG IMG_4683.JPG IMG_4688.JPG IMG_4684.JPG
 

Bnks334

Corporal
Dec 1, 2016
214
New York
#2
I got a 1M replica bumper and I'm having a hard time trying to figure out what I need in terms of the belly trim to make everything fit nice and OEM-ish. Currently I have the OEM 135i underbody panels installed but I'm sure there is something I can either get or a way to modify what I have to make it fit better. Just looking for anything others have done. Pics for reference.

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Get a 1M replica bumper splitter and those holes will be filled with brake ducts ;)
 
Mar 21, 2017
178
Maryland
#3
Get a 1M replica bumper splitter and those holes will be filled with brake ducts ;)
I would love to but... notice those bits of my vinyl wrap that are curbed at the edges? That's because the transition from my driveway to the street is too steep! I literally have to exit or enter my driveway at a 60*+ angle to not rub. I have plans to have my whole driveway redone to be wider and to decrease the grade and transition, but that's not happening anytime in the near future unfortunetly.
 

doublespaces

Administrator
Oct 18, 2016
6,847
AZ
#4
Did you get the fender liners? On the e9x upgrading to msport required
Bellypan
Fender liners
Brake ducts
Oil cooler duct
Fog lights
miscellaneous items

There is probably not a mesh you can use if the 1m fenders are wider since the bumper is slightly different in shape. I'm unfamiliar with the differences however.
 
Mar 21, 2017
178
Maryland
#5
I ended up making my own parts out of aluminum. Still test fitting/cutting them to fit better but so far I am quite happy with the results.
 
Oct 28, 2017
830
Monroe CT
#8
I ended up making my own parts out of aluminum. Still test fitting/cutting them to fit better but so far I am quite happy with the results.
Did you start msport or regular cause like double said you should try to see if msport fits it better or m3 underbody
 
Dec 28, 2016
47
Tally, FL
#9
I didn't need any changes, the undertray tucks up into my 1M rep bumper fine.
OE 1M ducts perfectly fit the openings as well- makes for a better, much more aggressive look I think.
 

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