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shadow 2 06-22-2013 03:27 PM

Valve Job Cost
 
02 325xi needs oil rings and valve seals. What would be a typical cost for the parts and labor?

lszlszx 06-22-2013 04:41 PM

It depends on where you take it, but you can expect $4-5000 for an engine rebuild.

shadow 2 06-22-2013 06:40 PM

Don't need an engine rebuild, just valve work.

wildirish317 06-22-2013 08:43 PM

Quote:

Originally Posted by shadow 2 (Post 15521061)
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.

e46alfonso 06-22-2013 09:04 PM

use a heavier oil or swap a b30

inlinesicks 06-22-2013 09:57 PM

You would be better off just buying a used engine.

shadow 2 06-23-2013 07:04 AM

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.

shadow 2 06-23-2013 07:09 AM

Quote:

Originally Posted by e46alfonso (Post 15521514)
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.

jfoj 06-23-2013 07:49 AM

2 Attachment(s)
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.

shadow 2 06-23-2013 08:57 AM

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.

jfoj 06-23-2013 09:00 AM

If you are using Mobil 1 oil, change to Castol and verify engine temp is correct.

jfoj 06-23-2013 09:03 AM

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.

shadow 2 06-23-2013 10:28 AM

No sludge, changed VCG last year. Burning oil, why unknown. Jfoj, appreciate your time and advice.


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