318is exhaust bore

Moderator: martauto

User avatar
smunro90
E30 Zone Newbie
E30 Zone Newbie
Posts: 72
Joined: Fri Mar 30, 2012 11:00 pm
Location: Bracknell, Berkshire

Post Wed Aug 15, 2012 5:47 pm

Hi does anyone know what size the 318is exhaust bore is as standard? I'm going to make an exhaust but need to know bore size to order some bits thanks[/list]
Top
Barx325i
Engaged to the E30 Zone
Engaged to the E30 Zone
Posts: 6493
Joined: Wed Jul 26, 2006 11:00 pm

Post Wed Aug 15, 2012 5:59 pm

the standard i.d of the tailpipe is 56.5
Top
User avatar
smunro90
E30 Zone Newbie
E30 Zone Newbie
Posts: 72
Joined: Fri Mar 30, 2012 11:00 pm
Location: Bracknell, Berkshire

Post Wed Aug 15, 2012 6:03 pm

sorry what is I.d? And that's 56.5mm?
Top
User avatar
smunro90
E30 Zone Newbie
E30 Zone Newbie
Posts: 72
Joined: Fri Mar 30, 2012 11:00 pm
Location: Bracknell, Berkshire

Post Wed Aug 15, 2012 6:05 pm

I got it internal diameter :)
Top
User avatar
smunro90
E30 Zone Newbie
E30 Zone Newbie
Posts: 72
Joined: Fri Mar 30, 2012 11:00 pm
Location: Bracknell, Berkshire

Post Wed Aug 15, 2012 6:06 pm

So looking at 2.25 "bore" then .. Thanks mate
Top
appletree
E30 Zone Addict
E30 Zone Addict
Posts: 3482
Joined: Fri Jan 20, 2006 11:00 pm
Location: Retford

Post Sat Sep 29, 2012 6:37 am

I made mine out of 2.5" stainless dairy tube and it works well
Image

You should never underestimate the predictability of stupidity

M42 Supercharged 285bhp + M3 6speed box
Top
rix313
E30 Zone Team Member
E30 Zone Team Member
Posts: 4967
Joined: Fri Oct 31, 2008 11:00 pm
Location: Silverstone

Post Wed Oct 03, 2012 9:29 pm

My custom exhaust is 2.5 :thumb:
Top

Return to “M40 / M42 Engines”