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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 Wed, Jul-11-2018, 05:05:37 AM   #11
STAATS
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Default Re: Luqui Moly engine oil

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Originally Posted by mpwr92 View Post
How much are you actully using can not stress this point enough on rebuilt engines to run a running oil for a 1000km from build!
What running in oil would you recommend for this engine?

The only rule we ever used when rebuilding motorcycle engine based race-cars was using mineral oil not synthetic for the first oil fill and driving it hard. Then drop the mineral and go back to synthetic... done...

Running-in oils are normally just mineral oils with a Zinc additive pack but only come in a limited range of viscosities. I have not seen a 10W60 running in oil and don't know enough about using a varied viscosity to run-in.
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Old Wed, Jul-11-2018, 05:06:59 AM   #12
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Default Re: Luqui Moly engine oil

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Originally Posted by M3_Pilot View Post
Pretty sure that's just a coincidence.
Yer I tend to agree (and there isn't enough data points to say otherwise anyway) but it is an uncanny coincidence in such close succession haha
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Old Wed, Jul-11-2018, 07:04:42 AM   #13
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Default Re: Luqui Moly engine oil

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Originally Posted by Engrmikl View Post
It's a fresh build from an 85k engine. Fresh head, all new bearings but original crank, rods, pistons with new ring set. It was built for a race series that requires all stock engines.
that explains it. did you re-hone or was the hone still good on the cylinder walls when you installed the rings?

are you still on the break in period? if so then burning oil is to be expected until the new set of piston rings sets. proper break in is needed to do so and that's why you want to re-hone it if you cant see the cross hatching on the cylinder wall anymore.
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Old Wed, Jul-11-2018, 07:30:17 AM   #14
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Default Re: Luqui Moly engine oil

I bet your cyl walls are glazed over and your rings haven't broken in yet,if your engine wasn't rehoned. Do a compression test. Use a break in oil. Doesnt have to be 10 60. During break in you will not exceed 4k rpm anyway. I used 15 50 for mine.
Fwiw my engine used some oil a few thousand miles after the rebuild,then gradually progressed to not using any.
Ps. Its not ur oil
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Old Wed, Jul-11-2018, 12:21:58 PM   #15
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Default Re: Luqui Moly engine oil

Quote:
Originally Posted by STAATS View Post
....The only rule we ever used when rebuilding motorcycle engine based race-cars was using mineral oil not synthetic for the first oil fill and driving it hard. Then drop the mineral and go back to synthetic... done...

Running-in oils are normally just mineral oils with a Zinc additive pack but only come in a limited range of viscosities. I have not seen a 10W60 running in oil and don't know enough about using a varied viscosity to run-in.
STAATS I'd agree. I've heard numerous times a true synthetic essentially won't allow everything to run it or seat.

As you duly noted, I couldn't find a 10W-60 break-in oil, so I ran Lucas Oil 20W-50 Break-In oil (https://lucasoil.com/products/engine...e-break-in-oil) for the first 500+ miles, then switched over to the 10W-60 full synthetic I use. Runs like a top and doesn't burn a drop.

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Old Wed, Jul-11-2018, 12:27:33 PM   #16
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Default Re: Luqui Moly engine oil

Been running LM 10W-60 for a couple years now - never have to add a single drop between oil changes.
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Old Wed, Jul-11-2018, 01:03:01 PM   #17
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Default Re: Luqui Moly engine oil

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Originally Posted by mpwr92 View Post
How much are you actully using can not stress this point enough on rebuilt engines to run a running oil for a 1000km from build!
Engine builder gave me a 500 miles breakin and he did the first 200ish sorting out an intermittent issue. Oil changed at about 750 miles. Burns about a quart per 1200 miles
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Old Wed, Jul-11-2018, 01:05:45 PM   #18
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Default Re: Luqui Moly engine oil

Do you know what oil he used to run in ?
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Old Wed, Jul-11-2018, 01:19:43 PM   #19
Engrmikl
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Default Re: Luqui Moly engine oil

Quote:
Originally Posted by erickrayos View Post
that explains it. did you re-hone or was the hone still good on the cylinder walls when you installed the rings?

are you still on the break in period? if so then burning oil is to be expected until the new set of piston rings sets. proper break in is needed to do so and that's why you want to re-hone it if you cant see the cross hatching on the cylinder wall anymore.
The engine was built to be a dedicated track M3 car. Pretty sure they would of honed it. They are a pretty reputable BMW/Porsche race team.
As far as mileage on the breakin I did about 750 miles before changing the oil he put in after the build and have about 3000 miles since new. I understand the using of oil for the first few thousand but this is excessive. 1 quart for 1000ish
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Old Wed, Jul-11-2018, 01:21:31 PM   #20
Engrmikl
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Default Re: Luqui Moly engine oil

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Originally Posted by mpwr92 View Post
Do you know what oil he used to run in ?
No idea what he used. I would have to call and ask
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Discussing Luqui Moly engine oil 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)