M18 still around?

Brule

Sergeant
Feb 20, 2017
371
440
0
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335i 2007 6spd manual
I understand Martmil has a different way of thinking and its ok make things more efficient.
I will make 3 and 3.5 inch dump pipes from now on.
 
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martymil

Major General
Sep 6, 2017
3,331
1,907
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Down Under
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S65 1m
Nothing wrong with free hp if you have the room for it.

3 inch will be big enough for most on stock motors and bigger is not needed but I have my doubts on RHD even that will fit.

I'm willing to help if someone wants to do one in Sydney but I wont be racing out to get it, spent way to much money on this platform.
 
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RuskiRacer

Captain
Jul 17, 2019
1,209
757
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2009 e93 335i
20210905_095819.jpg
 
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Subwoofer

Sergeant
Jan 9, 2020
267
48
0
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335i
I released it to the new buyer.

3 and 3.5 inch downpipes are all thats needed the different from 3-4inch was minimal at the track. Just a bit more duty cycle to get to the same boost pressure. So not really worth the effort making a 4 inch dump unless you cracked 1000hp and are going for 8 second 1/4.
Does a 3” fit fine then ? Just slowly building single turbo stuff
 

Brule

Sergeant
Feb 20, 2017
371
440
0
Ride
335i 2007 6spd manual
You will have to buy it and find out.
I have emailed m18 twice with no response so Ill just keep making custom manifolds.
 

rev210

Corporal
Feb 24, 2019
235
138
50
Ride
335i - 08 Coupe .
Does a 3” fit fine then ? Just slowly building single turbo stuff
According to M18. They respond on the insta quicker perhaps? They answered that question in one the posts also. I am getting info together myself. I am also considering a G35-1050 possibly. For the EFR Internal wastegate you definately want to upgrade to a turbosmart gen V twin port internal wastegate and a 4 port MAC for good boost control on our cars.
 

Subwoofer

Sergeant
Jan 9, 2020
267
48
0
Ride
335i
I released it to the new buyer.

3 and 3.5 inch downpipes are all thats needed the different from 3-4inch was minimal at the track. Just a bit more duty cycle to get to the same boost pressure. So not really worth the effort making a 4 inch dump unless you cracked 1000hp and are going for 8 second 1/4.
According to M18. They respond on the insta quicker perhaps? They answered that question in one the posts also. I am getting info together myself. I am also considering a G35-1050 possibly. For the EFR Internal wastegate you definately want to upgrade to a turbosmart gen V twin port internal wastegate and a 4 port MAC for good boost control on our cars.
Yeah they told me on Instagram they could fit a 3” in there which to be honest is fine for pump fuel and meth
 

RuskiRacer

Captain
Jul 17, 2019
1,209
757
0
Ride
2009 e93 335i
According to M18. They respond on the insta quicker perhaps? They answered that question in one the posts also. I am getting info together myself. I am also considering a G35-1050 possibly. For the EFR Internal wastegate you definately want to upgrade to a turbosmart gen V twin port internal wastegate and a 4 port MAC for good boost control on our cars.
I agree I had a 3 port with jb4 was overboosting all the time switched to a 4 port and took a spring out was a charm.