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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Tue, Oct-02-2018, 08:56:24 PM   #11
M3AZ
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Default Re: Help with heater core delete

I'm going to stick with looping the hoses for now, mostly because I'm running out of time to get this thing back together, but thanks for the suggestions everyone.
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Old Fri, Oct-05-2018, 11:01:30 PM   #12
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Default Re: Help with heater core delete

Quote:
Originally Posted by bigjae1976 View Post
The point of this is to mostly save weight so why not save as much weight as you can?

I just use 2 freeze plugs and JB welded them in. Cost is less than $10.

Hereís the water pipe. I used a recip saw and cut off the end. Then used a step bit to drill out the end to fit a freeze plug. I put JB weld on the edges and banged it in with a hammer. Itís not coming out...hasnít come out after 5 track days and no leaks.



Then I JB welded the freeze plug into the back of the water pump.



Itís worked great and I think it helps to reduce coolant temps by minimizing fluid volume and removing a loop thatís next to the hot motor.

I have a modified water pipe if youíre interested. Can throw the correct size freeze plug in too.



Sent from my iPad using Tapatalk
Is the large diameter water pipe a return line or is it feeding water into the cylinders?
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Old Sat, Oct-06-2018, 07:23:31 PM   #13
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Default Re: Help with heater core delete

Return pipe


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Old Fri, Oct-19-2018, 05:52:46 AM   #14
M3AZ
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Default Re: Help with heater core delete

Heater core is out, and I just looped the hoses for now.

To follow up on removing the steering column, it just gripped the back of the bolt with vise grips and it came right off. It was barely torqued on.

4C33CDB0-E9FC-4E92-9C15-DBEAC9B65EB7.jpeg


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Discussing Help with heater core delete in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)