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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-29-2009, 11:38:22 AM   #31
tony(topaz,SMG)
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You can bend the metal prongs towards the plastic cap to make the cap seal tighter.
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Old Thu, Jan-29-2009, 04:00:26 PM   #32
ThatOneGuy
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Quote:
Originally Posted by Detroit_M3 View Post
The seal itself should not go bad... year/miles?
Don't post if you don't know.


Kilo, do a quick search. There was a TSB on the M oil caps. Not all go bad, but some do. If you have the "M" logo, you have the old style cap. However, it's unlikely that you blew all 5.8 quarts out the top. If your oil level is really that low, I suspect something else is loose, drain plugs, oil pan, valve cover, etc. If it were my car, I'd call the dealer have them flat-bed tow the car back so they can look at it.
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Old Thu, Jan-29-2009, 05:04:05 PM   #33
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When I git mine I found the cap leaked in much the same way as you're saying. Rather then buy a new one I simply bent the tabs in a little and fixed the problem.
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Old Thu, Jan-29-2009, 05:09:10 PM   #34
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Originally Posted by ThatOneGuy View Post
Don't post if you don't know.


Kilo, do a quick search. There was a TSB on the M oil caps. Not all go bad, but some do. If you have the "M" logo, you have the old style cap. However, it's unlikely that you blew all 5.8 quarts out the top. If your oil level is really that low, I suspect something else is loose, drain plugs, oil pan, valve cover, etc. If it were my car, I'd call the dealer have them flat-bed tow the car back so they can look at it.
Sounds about right to me- there is no way all that oil got out solely because of the cap. Kilo, IIRC, didn't you go to the dealer to determine a weird noise you had under load at around 2krpm? Did they figure it out- is this why they changed belts?

What dealership did you go to? Even if they had construction, this dust is unacceptable inside the engine bay...

and keep us posted.
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Old Thu, Jan-29-2009, 06:53:56 PM   #35
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Sounds about right to me- there is no way all that oil got out solely because of the cap. Kilo, IIRC, didn't you go to the dealer to determine a weird noise you had under load at around 2krpm? Did they figure it out- is this why they changed belts?

What dealership did you go to? Even if they had construction, this dust is unacceptable inside the engine bay...

and keep us posted.
Well it was definitely the oil cap, a bit over a liter and a half leaked out.

The cats went bad and that was the noise. They replaced that and there was also an oil leak from the crank case seal. The fixed the seal and replaced the belts which were cracked. They also changed the oil pan and my thermostat.
There was a SIB for the diff fluid and they changed that as well.
BTW I went to south motors.
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Discussing Very Urgent Please Help 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)