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General E46 Forum
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Old 06-22-2013, 03:27 PM   #1
shadow 2
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Valve Job Cost

02 325xi needs oil rings and valve seals. What would be a typical cost for the parts and labor?
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Old 06-22-2013, 04:41 PM   #2
lszlszx
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It depends on where you take it, but you can expect $4-5000 for an engine rebuild.
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Last edited by lszlszx; 06-22-2013 at 04:42 PM.
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Old 06-22-2013, 06:40 PM   #3
shadow 2
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Don't need an engine rebuild, just valve work.
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Old 06-22-2013, 08:43 PM   #4
wildirish317
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Quote:
Originally Posted by shadow 2 View Post
02 325xi needs oil rings
Oil rings being valve stem seals? If you're talking piston oil rings, you're beyond the head and into the block, and into an engine rebuild.
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Old 06-22-2013, 09:04 PM   #5
e46alfonso
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use a heavier oil or swap a b30
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Old 06-22-2013, 09:57 PM   #6
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You would be better off just buying a used engine.
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Old 06-23-2013, 07:04 AM   #7
shadow 2
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B30? This the 3 liter motor? What heavier oil meets BMW LL-01 standards? Mobile 1 0-40 is too thin and I see no other "heavier" oil listed.

Last edited by shadow 2; 06-23-2013 at 07:06 AM.
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Old 06-23-2013, 07:09 AM   #8
shadow 2
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Originally Posted by e46alfonso View Post
use a heavier oil or swap a b30
Thing is it runs fine with no noticeable lack of power. Guess I can keep putting oil in it every 800 miles but hate to do that since it will eventually screw up my cats.

Last edited by shadow 2; 06-23-2013 at 07:11 AM.
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Old 06-23-2013, 07:49 AM   #9
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So the real question is have you ever replaced your CCV and cleaned out your dipstick tube?

Crankcase vacuum is KEY to controlling oil consumption in these engines.

Before I would tear the engine apart, I would replace the CCV system, remove and clean out the dipstick tube and change the oil to Castrol 5W40 as shown in the picture.

Also what is the engine temperature operating point?

As for BMW LL-01 approval, I would not get to wrapped up on 100% only using oil that is LL-01 approved. This is really only an issue for warranty coverage and if you plan on running with the 15k mile oil change interval.

If you are currently using Mobil 1 0W40, just changing to the Castrol may significantly improve your situation.

Suggest you fully read the 3rd link below in my signature along with all the info on the CCV and mayo build up.

One other suggestion which will likely get a lot of other comments it to pour a can of SeaFoam in the crankcase 500 miles before you change your oil.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose fan switch O-ring - BMW #13621743299

Last edited by jfoj; 06-23-2013 at 07:54 AM.
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Old 06-23-2013, 08:57 AM   #10
shadow 2
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CCV changed for PM 16 months ago. Checked again this week including the dip stick, zero issues. Have used BMW 30 weight oil since I bought car 7 years ago.

Last edited by shadow 2; 06-23-2013 at 08:59 AM.
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Old 06-23-2013, 09:00 AM   #11
jfoj
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If you are using Mobil 1 oil, change to Castol and verify engine temp is correct.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose fan switch O-ring - BMW #13621743299
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Old 06-23-2013, 09:03 AM   #12
jfoj
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Also might want to pull the valve cover and see how much sludge may be built up in top of cylinder head. If there is a lot of sludge build up, then likely the cylinder head oil return holes may be restricted or clogged.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose fan switch O-ring - BMW #13621743299
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Old 06-23-2013, 10:28 AM   #13
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No sludge, changed VCG last year. Burning oil, why unknown. Jfoj, appreciate your time and advice.

Last edited by shadow 2; 06-23-2013 at 11:17 AM.
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