Oil advice and recommendations

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shiston
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Fri Jul 07, 2006 12:29 am

Cheers, will do :D
Mops
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Mon Jul 10, 2006 10:16 pm

Hello Oilman !
What about engine oil for here, in New Zealand ?
temps in Auckland vary from abour 5 deg C in winter to over 30 deg C in summer.
My car has 128k miles on the clock, m20b25, standalone ECU, mostly short trips, which means alot of cold strarts with ocasional blast through some open road....

What grade would be most siutable for all year round driving here ?
cheers.
1985/E30/325i coupe/5 speed/125k miles/shortshift/megasquirt II ECU controlling fuel and spark with custom ignitor and ICV mods/LC-1 wbo2/collecting parts for FI
oilman
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Mon Jul 10, 2006 10:45 pm

10w-40 10w-50 ideal, best to go fully synthetic if you can.

What brands do you have available to you out there?

CHeers

Guy.
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Mops
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Mon Jul 10, 2006 11:02 pm

oilman wrote:10w-40 10w-50 ideal, best to go fully synthetic if you can.

What brands do you have available to you out there?

CHeers

Guy.
Thanks for input.
common ones are:
Well... we have mobil one full synth 15w50
castron formulaR full synth 10w60
pennzoil full synth 15w50

elf I seen only semi synth
other cheap brands, like BP, valvoline, only semi synth...

we can get stuff like redline/motul/amsoil but it is more expensive than shelf stuff, and i'm not sure whenther extra $$$ is worth it.

Can you commen on group III, IV and V synthtic ? aparently group III is not really synthetic, but just cracked hydrocarbons ? (pennzoil and castrol) and mobil 1 is group IV, and ester oils are like group V and they are used in aircraft engines... I work for an airline, so I can get some aircraft engine oil, but i'm not sure how siutable that would be in m20 bmw....
1985/E30/325i coupe/5 speed/125k miles/shortshift/megasquirt II ECU controlling fuel and spark with custom ignitor and ICV mods/LC-1 wbo2/collecting parts for FI
oilman
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Tue Jul 11, 2006 8:38 am

I wouldnt bother with any group III oils, stick to either group IV or V.

The Mobil, Castrol and Asmoil are group IV, the Motul and Redline are group V.

The ester based group V's are very good indeed, hense why they are used in aviation for there shear stability.

Cheers

Guy.
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shiston
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Wed Jul 12, 2006 11:58 pm

Are all the Motul sythetic group V eg. 8100 or is it just the 300V range?
oilman
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Thu Jul 13, 2006 3:20 pm

The 300v range is group V, the 8100 is group IV except the 8100 0w-40 which is group V.

Cheers

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JCB
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Fri Jul 14, 2006 12:25 am

simon - i use silkolene pro r 15-50 in my track car (325i - 200bhp). track use only. (see www.greenbmw.co.uk) . i am trying to economise a bit as i am burning / loosing a bit of oil. is there anything else i can use that is a bit cheaper ?? what about valvoline racing 15-50 ?? will i get as good a protection. its half the price. also will going to a 15w-60 help - my logic is that it is thicker so will not escape from weaping seals etc.

thanks, jonathan
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Fri Jul 14, 2006 10:35 am

Well you know the best thing is to have the leaks sorted... you could use the valvoline, ther ewill be no problems but it is by no means in the same league as the Silkolene.

Dont both going to a SAE60, its just too thick, an oil thats too thick can do just as much harm as an opil thats too thin.

Cheers

Guy.
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Sharknose3
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Sat Jul 15, 2006 9:51 am

'Morning !

I have 2 Tourings, a 320 & a 318i and neither have LSDs.

What grade oil would be recommended for the Diffs?

The 320 has 150k miles and the 318i has 88kmiles in case that is relevant.

Also, what oil volumes do the diffs take ?

Thanks,

Sharknose
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Sat Jul 15, 2006 1:47 pm

Sharknose,

We wou,d suggest a GL5 SAE90 diff oil.

Have a look at the Silkolene BOA90 and the Motul 90pa, most decent diff oils are also suitable for LSD's as well.

Cheers

Guy.
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Sharknose3
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Tue Jul 18, 2006 12:02 am

Thanks a lot Guy
kirils
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Wed Jul 19, 2006 3:14 pm

i have a early 320i 1983 year of production it has 173 000km the climate where i live is 35 in sumer and -15 winter. i put areca 5w-40 synthetic? what are you opinions?
oilman
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Wed Jul 19, 2006 3:18 pm

Well I have never heard of the make, but 5w-40 synthetic in those conditions is fine.

Cheers

Guy.
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Andy335Touring
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Sun Aug 13, 2006 12:41 am

Hi, slightly O/T but what sort of oil temp' range should the oil be at in the sump of a fully warmed up engine ?

Where am i likley to see the highest oil temps on the motor way or town driving ?

I'm using your Silkolene Pro S 5w-40 in an engine that doesn't have an oil cooler at the moment so i'm kind of wieghing up whether i need to get an oil cooler or not.
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Mon Aug 14, 2006 9:32 am

The Pro S 5w-40 will run around all day at 120-130degc without dropping out of grade. Sump temp wise anywhere between 70degc and 100degc is the norm.

Cheers

Guy.
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Andy335Touring
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Mon Aug 14, 2006 7:52 pm

Thanks Guy 8)
The Pro S 5w-40 will run around all day at 120-130degc without dropping out of grade
Where in the engine is this temp' for ?
oilman
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Tue Aug 15, 2006 9:46 am

Sump temp.

Cheers

Guy.
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Andy335Touring
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Tue Aug 15, 2006 5:11 pm

:thumb:
kirils
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Thu Aug 24, 2006 2:00 pm

well i can't find most of the oild you mention here, but i was thinking about castroll gtx magnatec 10-40, semisynt, what do you think about it?
maxfield
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Thu Aug 24, 2006 2:04 pm

What would be the best oil used for a high performance E30 M3 engine?
Oil will be changed every 3k or so.
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oilman
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Thu Aug 24, 2006 2:13 pm

kirils wrote:well i can't find most of the oild you mention here, but i was thinking about castroll gtx magnatec 10-40, semisynt, what do you think about it?
Its ok, over priced for what it is IMO.

Cheers

Guy.
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oilman
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Thu Aug 24, 2006 2:14 pm

maxfield wrote:What would be the best oil used for a high performance E30 M3 engine?
Oil will be changed every 3k or so.
Depends on use, if driven hard the Silkolene Pro S 10w-50 works very well in them.

Cheers

Guy.
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paddyvw
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Thu Aug 24, 2006 6:48 pm

hi oil man i have a 89 m3 running motul 15w 50 at the mo it is only week end use and not racing it- just a blast now and then. i have noticed that it is burniong it off. i have ordered motul 10 40 is this a better oil for my use? would it stop some of the burning? the engine has never been abused from what i can gather( car is totally clean no dodgy parts on it) but it has got one schrink cam a 280 one i think as the last owner put it in and that what he recons it is? also what gear box oil and diff oil as going changing them all?
maxfield
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Thu Aug 24, 2006 6:50 pm

If it's burning oil maybe piston rings or vlve stem seals is this on start up. So the car has one 284 cam. Cheap skate should have done them both. slightly off topic tho
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paddyvw
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Thu Aug 24, 2006 7:54 pm

was trying to figure out why he only did one. i have heard of it once or twice and the reason was for top end power and for being manageable in traffic down low. needd new topic for that one any way back to the oil.
oilman
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Fri Aug 25, 2006 11:06 am

paddyvw wrote:hi oil man i have a 89 m3 running motul 15w 50 at the mo it is only week end use and not racing it- just a blast now and then. i have noticed that it is burniong it off. i have ordered motul 10 40 is this a better oil for my use? would it stop some of the burning? the engine has never been abused from what i can gather( car is totally clean no dodgy parts on it) but it has got one schrink cam a 280 one i think as the last owner put it in and that what he recons it is? also what gear box oil and diff oil as going changing them all?
Interesting one, no reason why an oil of that viscosity should burn off, a 10w-40 will dissapear quicker as it is thinner accross the temp range.

How much over what mileage is it using?

Cheers

Guy.
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paddyvw
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Sat Aug 26, 2006 12:10 am

the car is only a good weather toy and cant really judge. since i bought the car and done over 2k it has burnt round 1 litre in all?
oilman
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Sat Aug 26, 2006 9:02 pm

To be honest that is no major worry IMO.

All engines vary on how much they use, BMW consider anything upto 1ltr per 1000 miles acceptable.

Cheers

Guy.
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paddyvw
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Sun Aug 27, 2006 12:02 am

thanx i will keep an exact amount on how much it takes. and see what happens. ps what gear box and diff oil would you recommend?
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ballin
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Wed Aug 30, 2006 9:54 pm

What oil would you recommend for a 3.0 e36 M3?

Always taken your advice in the Ford RS scene so will follow it again with this!
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Wed Aug 30, 2006 10:32 pm

5w-40 full synthetic, BMW approved is best.

Tops would be the Silkolene Pro S 5w-40, followed by the Fuchs Titan Supersyn SL 5w-40.

Cheers

Guy.
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kirils
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Sat Oct 07, 2006 3:50 pm

you opinion about FUCH TITAN 10W40 semi synth. on a 180,000km 320i l-jetronic?
oilman
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Mon Oct 09, 2006 12:06 pm

Nothing wrong with that.

Fuchs is good stuff.

Cheers

Guy.
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MadE30mike
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Wed Oct 18, 2006 3:05 pm

Iv recently changed oil and coolant in my 325i sport, Im now looking to change gearbox and LSD oil.

What do you recomend and where can i get this?
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