Can someone confirm the o.d for the m20 325 exhaust and the e34 m30 downpipe need to get sleeves to marry the two .
tia
m30 m20
Moderator: martauto
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leeparkes
- Married to the E30 Zone
- Posts: 9538
- Joined: Thu Jan 03, 2008 11:00 pm
- Location: Black country
M30 OD = 50mm
M20 OD =46mm
M20 exhaust/downpipe will slide into the M30 downpipes nice and snug
M20 OD =46mm
M20 exhaust/downpipe will slide into the M30 downpipes nice and snug
Cypriotgeeza wrote:I done both my mates in my old 318is
felt so proud,even tried it with a E30 325i and got put in my place..
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shedrool83
- Old Skooler
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- Joined: Thu May 10, 2007 11:00 pm
- Location: Dundee Scotland
leeparkes wrote:M30 OD = 50mm
M20 OD =46mm
M20 exhaust/downpipe will slide into the M30 downpipes nice and snug
Thats the way i have them atm and its blowing so thought i'd try reducing sleeve to get a better seal.
thanks btw
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leeparkes
- Married to the E30 Zone
- Posts: 9538
- Joined: Thu Jan 03, 2008 11:00 pm
- Location: Black country
I know what you mean, one of my M30 pipes was oval 
Weld them together
Weld them together
Cypriotgeeza wrote:I done both my mates in my old 318is
felt so proud,even tried it with a E30 325i and got put in my place..