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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 05-05-2010, 09:11 PM   #41
nydog
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I was using Castrol 0w30 prior to the flush. I have heard from many on different forums that its a great oil. I still burned oil with it. I honestly think that these 0w weight oils are just too light for my car. When the 3000 miles are up on this dino oil, I going to Redline 10w40. I have also read many great reviews on Redline oils plus its a heavier oil. True it is more expensive than off the shelf oils, but I'm spending the money anyway with the additional quarts I add between changes. The way I look at it, the M3 requires 10w60 oil. I know the 330 motor is different from the e46 M, but the way I drive and the mods I have installed a heavier may be just what she needs.

I'll post the progress of the dino and when I switch to Redline.
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Old 05-06-2010, 01:34 AM   #42
Chrisbmwcy
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Quote:
Originally Posted by rovert View Post
So this is how Castrol EDGE oil survived in my car...

122,456 miles - December 8 - ATF crankcase flush then Oil Change with 7L Castrol EDGE 10w-30

897 miles later @
123,353 miles - January 4 - Top Up 1L of Castrol 10w30

1,103 miles later @
124,456 miles - February 1 - Top Up 1L of Castrol 10w40

1,018 miles later @
125,474 miles - March 1 - Top Up 1L of Castrol 10w40

721 miles later @
126,195 miles - March 19 - Top Up 1L of Castrol 10w40

955 miles later @
127,150 miles - April 29 - Amber Oil Light (1L low)

127,178 miles - April 30 - Oil Change 7L German Castrol Syntec 0w30

When I did the oil change there was hardly any shavings stuck to the magnetic drain plug. It was virtually clean. So now I'll see what happens! Hopefully this helped. If not...my car is just meant to be a tribrid burning oil, fuel, and rubber!!
Excellent Work Rovert.

I am looking forward to your results, and I hope that there will be the expected change
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Old 05-12-2010, 04:44 PM   #43
Custom3
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any updates?
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Old 05-16-2010, 09:58 AM   #44
s0ber
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Did you drive the car "aggressively" during the castrol run? You didn't mention it.
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Old 05-16-2010, 04:35 PM   #45
rovert
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Oh I always drive her aggressively. Engine gets redlined a couple times every trip. Of course only after the engine has warmed up.
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Old 11-18-2010, 06:05 PM   #46
nydog
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I'm curious for an update from those that were/are having the oil consumption problem. I'm still using probably a quart every 1k miles.

My plan was to buy an e46 M in the next 6 months, but this has really has me questioning buying another Bimmer. The 330 is my second BMW, I had an 93 325is which also used oil. With the sub-frame problem, the oil usage and the vanos problems e46 Ms are experiencing I may spend my money elsewhere.
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Old 11-18-2010, 06:08 PM   #47
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I will be updating soon as I am still consuming oil! I have everything in my records in the car.
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Old 11-19-2010, 05:48 PM   #48
Michel
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im also burning oil... but I do have a clogged plunger (exhaust side) in my vanos. Could that cause oil to be burned since timing is being retarded??
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Old 11-21-2010, 04:12 AM   #49
Chrisbmwcy
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Guys I am doing my ccv cvv with all the 3 hoses this Thursday. Hope it fixes it.
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Old 11-23-2010, 01:25 PM   #50
xavi330i
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Check your CCV intake plenum runner ports (where the CCV gets it's vacuum pressure from). If you have oil in those ports, then your CCV is bad and you are consuming/burning oil.
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Old 11-23-2010, 01:29 PM   #51
rovert
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I'm not too familiar with that area of the engine. Is there a quick check to diagnose the CVV? Or is it something that you might as well replace if it's taken apart for diagnosis already?
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Old 11-23-2010, 03:15 PM   #52
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I'm not too familiar with that area of the engine. Is there a quick check to diagnose the CVV? Or is it something that you might as well replace if it's taken apart for diagnosis already?
The CCV vacuum rail is right under the small engine cover over your intake manifold. It looks like a fuel rail made of plastic with six ports going into each intake runner. No oil should be coming out of these ports.
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Old 11-23-2010, 03:47 PM   #53
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So with a bad CVV that rail will be oily on the outside which means a leak from the vacuum?
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Old 11-25-2010, 01:11 PM   #54
Chrisbmwcy
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So with a bad CVV that rail will be oily on the outside which means a leak from the vacuum?
Not necessarily.

I have done my ccv today. My mechanic told me that one of the pipes was blocked and the cvv was overfooded and pushing oil in the intake.

I also changed the thermostat for premaintenance reasons and all the cvv hoses.

I really hope that this fixes it.

The next 500 miles will show...

And by the way it cost me 400 euros all inclusive (inc the thermostat)
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Old 12-01-2010, 01:54 PM   #55
Bake
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Subscribed. I am having abnormal oil consumption as well, about 1 quart per 750 miles. I was told it might be the rear main seal, but I don't know what to think anymore. I just know this can't be normal. I had a 325ci before and it burned virtually no oil in the 8 years I had it.
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Old 12-01-2010, 11:18 PM   #56
rovert
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Quote:
Originally Posted by rovert View Post
So this is how Castrol EDGE oil survived in my car...

122,456 miles - December 8 - ATF crankcase flush then Oil Change with 7L Castrol EDGE 10w-30

897 miles later @
123,353 miles - January 4 - Top Up 1L of Castrol 10w30

1,103 miles later @
124,456 miles - February 1 - Top Up 1L of Castrol 10w40

1,018 miles later @
125,474 miles - March 1 - Top Up 1L of Castrol 10w40

721 miles later @
126,195 miles - March 19 - Top Up 1L of Castrol 10w40

955 miles later @
127,150 miles - April 29 - Amber Oil Light (1L low)

127,178 miles - April 30 - Oil Change 7L German Castrol Syntec 0w30

1,803 miles later @
128,981 miles - June 29 - Top Up 1L of Castrol 0w30

1,237 miles later @
130,218 miles - July 23 - Top Up 1L of Castrol 0w30

1,040 miles later @
131,258 miles - August 20 - Top Up 1L of Castrol 0w30

629 miles later @
131,887 miles - September 1 - Top Up 1L of Castrol 0w30

866 miles later @
132,753 miles - September 25 - Top Up 1L of Castrol 0w30

1,132 miles later @
133,885 miles - October 21 - Top Up 1L of Castrol 0w30

1,290 miles later @
135,175 miles - December 1 - Top Up 1L of Castrol 0w30

It looks like the ATF Flush and Mineral Oil Change Interval did not solve my problem. Next is time to check the CCV......that looks fun.
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Last edited by rovert; 01-07-2011 at 06:18 PM.
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Old 12-04-2010, 12:22 AM   #57
jclip
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Definately change out the CCV and the 4 hoses that attach to it. My 330 was consuming over a quart per 1K miles and I was extremely concerned that I had a scorn cylinder. After doing some research on this site, I thought that replacing the CCV was worth a shot. After removing the CCV and the 4 hoses, I noticed that the return tub that goes from the bottom of the CCV to the dipstick tube was clogged shut with sludge. When this happens, the CCV dumps oil into the intake manifold where it is burned off. My car now consumes NO oil, and runs better than ever.

I will say that this job is definately worth doing yourself. My local dealer wanted to charge $1000! I must admitt that replacing this part is a total PIA, but very doable. Also, many writeups will tell you that the intake manifold must be removed, this is not the case. I would however expect to spend 3 hours or so if this is your first time doing one of these. Also, this is a good time to solvent clean the carbon from you Idle Control Valve, and replace the gasket on your throttlebody, and possibly repair the DISA valve that commonly fails on this car. Good luck, feel free to pm if you have any questions regarding the CCV replacement.
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Old 01-07-2011, 04:55 PM   #58
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Great info, any DIY for the CCV fix??
and any DIY for the DISA Valve?

I go through a liter every 1500 kilometers or so.
My mechanic has always told me that the harder you drive them, the more they burn and that it's normal.
I would still like to look into the CCV & DISA issues though
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Old 01-11-2011, 02:02 PM   #59
dsblk93gt
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I think this is my problem too, is it much $$ for the parts? I replaced the vc gasket a few months ago as that was leaking as well. The engine looks great, spotless. But the oil cap is nasty.
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