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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E30 (1982 - 1993)

E30 (1982 - 1993)
God's Chariot. The E30 was produced primarily from 1982 through 1991. The cabriolet was the one exception which was produced through 1993.

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  #1  
Old 07-26-2013, 09:26 AM
laurelshelton laurelshelton is offline
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Location: Kihei, Maui
 
Join Date: Jan 2009
Posts: 55
Mein Auto: 1989 325I
Leak in rear muffler...

Aloha bimmer family... I was told I needed a new rear muffler. What I want to know is "can this be patched/welded, depending on where the leak is??? Laurel
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  #2  
Old 07-28-2013, 07:20 AM
BigBoy740il's Avatar
BigBoy740il BigBoy740il is offline
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Location: Arizona
 
Join Date: Jan 2012
Posts: 245
Mein Auto: 1989/1991 E30; 2000 E38
Re: Leak in rear muffler...

You could do it, but you must take a few things into consideration. First, is the internal baffles rattling? Damaged or misaligned baffles increase back pressure, causing a loss of HP and torque. Is the rot extensive? Mild steel mufflers rot from the inside out, so any fix would be temp at best. And finally, the cost... A replacement oem muffler cost around $200 and are easily installed with basic hand tools. Universal muffler can be installed for around $80. I would go the long term fix and pony up for a new muffler, but that's me. Fix it right the first time.
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Old 07-28-2013, 08:07 AM
dirtx dirtx is offline
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Location: Nevada
 
Join Date: Jun 2010
Posts: 46
Mein Auto: 1986 325E, BMW 1100RS
Quote:
Originally Posted by BigBoy740il View Post
You could do it, but you must take a few things into consideration. First, is the internal baffles rattling? Damaged or misaligned baffles increase back pressure, causing a loss of HP and torque. Is the rot extensive? Mild steel mufflers rot from the inside out, so any fix would be temp at best. And finally, the cost... A replacement oem muffler cost around $200 and are easily installed with basic hand tools. Universal muffler can be installed for around $80. I would go the long term fix and pony up for a new muffler, but that's me. Fix it right the first time.
yep i agree. I have a post for a IMCO mufller $109 shipped It gets here tomorow. after install i let you know how it goes.
All you need is some basic hand tools and a jack and blocks or stand to access the muffler and pipe.
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Old 07-29-2013, 04:14 PM
dirtx dirtx is offline
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Location: Nevada
 
Join Date: Jun 2010
Posts: 46
Mein Auto: 1986 325E, BMW 1100RS
installed no problem

Just finished the install of the imco muffler. It fit "ok" the section between the resinator and muffler hangs about 1" lower than the stock one. But overall the fit was ok. I also used new rubber hangers from Pelican parts. With this muffler you dont use the stock strap around the muffler. That save another $50, if it needs replacing also. for 1/3 the cost of a stock one i am very happy. only took about 1 hour. just a coulple of 13 mm wrenches and a new gasket.
Hope this helps you get it fixed.
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