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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 Thu, Jan-22-2009, 07:45:02 PM   #11
QIK1320
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So I took the cover off her and started it up. Didin't disconnect the hose, but put my hand on the pump and sure enough I felt it turn on so I'm just going to chage the valve for now, reset the light and see what happens
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Old Thu, Jan-22-2009, 09:47:23 PM   #12
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^ don't forget the gasket as the leak will throw a ses light.
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Old Fri, Jan-23-2009, 12:45:24 PM   #13
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will do...Thanks!
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Old Mon, Feb-09-2009, 04:39:49 PM   #14
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Any resolution to this? I have a P0411 code after the dealer replaced one of my header/cats. The code wasn't there before they did the work so I'm thinking they might have re-used the gasket on the valve or something. I checked the hose for cracks and did not see one. I tried seeing if the pump would work but I think the car was too warm (it won't turn on if the coolant is too warm right?)...

Thanks
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Old Mon, Feb-09-2009, 05:05:06 PM   #15
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I just did this job. Very easy to do. Fwiw, I didn't replace the gasket. I had bought a new one, but my old one was on there pretty good, so I said screw it and left it. No leaks large enough to toss another code. Also, I'd suggest getting that hose. Mine snapped very easily. I actually think it was cracked prior to removing it and that may have been what was causing the light. Anyway, yea, easy job. I'd buy parts 3, 4, 5 and 6.
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Old Mon, Feb-09-2009, 05:15:22 PM   #16
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I haven't done my car yet, going to wait until April or so when I pull it out
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Old Mon, Feb-09-2009, 07:05:11 PM   #17
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Quote:
Originally Posted by lax01 View Post
Any resolution to this? I have a P0411 code after the dealer replaced one of my header/cats. The code wasn't there before they did the work so I'm thinking they might have re-used the gasket on the valve or something. I checked the hose for cracks and did not see one. I tried seeing if the pump would work but I think the car was too warm (it won't turn on if the coolant is too warm right?)...

Thanks
Correct, it needs to be on a cold start where the car needs the secondary pump to "inject" air into the exhaust system to help the cats break down emissions.

I'd let the car sit overnight outside and try the method of disconnecting the hose to the valve and start the car. Feel if the air is being pumped through the hose. If there's airflow then most likely the valve attached to the head has too much carbon buildup and will need to be replaced.
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Old Mon, Feb-09-2009, 07:06:12 PM   #18
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Thanks...I'll report back if and when I fix my problem...

I just passed emissions so I don't think I'm really going to care about this...we'll see
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Old Mon, Feb-09-2009, 07:06:46 PM   #19
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Also, I'd suggest getting that hose. Mine snapped very easily. I actually think it was cracked prior to removing it and that may have been what was causing the light.
Over time that plastic becomes hard and brittle, like most old divorced wives, and will break easily.
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Old Tue, Feb-10-2009, 12:28:31 AM   #20
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Thanks...I'll report back if and when I fix my problem...

I just passed emissions so I don't think I'm really going to care about this...we'll see
Out of curiosity, I wanted to check to make sure my air pump was actually plugged in since the dealership just had the car for a cat replacement. Sure enough, the pump wasn't plugged in...this should be my problem
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Discussing secondary air pump replacement 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)