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-   -   Whats your weight? (fossil oil) (http://www.318ti.org/forum/showthread.php?t=3493)

Sirius600 09-24-2004 10:38 AM

Whats your weight? (fossil oil)
 
Since I'm considering switching to synthetic oil, I think it's suiting to start a poll on oil weight. This is for regular oil users ONLY.

Please include your location and the average temperature where you drive.

J!m 09-24-2004 04:23 PM

I'm running Mobil-1 15-50 in my 3.2. I don't remember what I was running in my 1.9, but I think it was 15-40.

I'm in CT (usually) but the BMW is never driven in winter.

GDB 09-24-2004 07:36 PM

Mobil 10-40 in the M44

2ndBimmer 09-26-2004 10:55 AM

I use Castrol 20w50 in the summer (85), 10w40 in the winter (30).

CyPRus 10-02-2004 08:27 AM

Just been going according to the manuals that came with my '95. Recommends 15-40 for summer and probably switch to I think it's 5-30 for winter. Probably wrong so I'll be double checking. Supertech is unfortunately what is on the shelves in my area. Not a lot of 15-40 castrol in my area otherwise I'd be using it. Probably order some for my next oil change through napa or something.

slacker 10-19-2004 04:14 AM

Mobil 1
 
Mobil 1 15-50 in Calif. Switched when started tracking my 95 Sport.
Gary

maurolin 10-28-2004 09:54 PM

I only use Mobil 1 RED top I think it is 15w50. douring the summer the oil gets pretty hot and lacks of viscosity. heavier weight keeps the compression going.

AlaskaBlue 12-24-2004 06:05 PM

20W50 I live in Indiana right now it is 0 degrees, but usually during winter it is around freezing or a little above.

bmwracefan 12-24-2004 08:30 PM

20W-50.....for race only

S10mafia50 10-24-2005 03:20 AM

Actually, I run a mix of around 7.5w30 LOL.....dang pushrod gm's LMAO
Andrew

barische 10-24-2005 04:55 AM

10w30 for summer and 5w 30 for winter i use mobil 1 and im at new jersey. at winter we see temp below 30

angel318ti 02-24-2006 05:45 PM

castrol syntec 10W40 year round

Panzer_M 02-24-2006 05:52 PM

15w50 M1

although I just put in 20w50 ValvoSyn.

w3fl3x 03-16-2006 11:52 PM

I run 15w50 mobil 1 too.

Works great for me. It even reduced my vanos noise.

jmir14 03-17-2006 02:24 AM

10w30
 
I just put in 10w30 Mobil 1 full synthetic today about 3 hours ago.
I live up in MA it works well in the winter and summer.

Adog2107 05-12-2006 10:38 PM

All I use is 5w30 Mobil 1 Full Syn...stuff ROCKS

316i compact 06-20-2006 11:18 PM

Motul 8100 xcess 5W-40 whole year

momorugger 02-25-2007 07:55 PM

castrol 10W 40. I live in the rockies, and it often gets pretty cold in the winter at 7200 ft!

Panzer_M 02-25-2007 08:26 PM

also saw today. Mobil 1 Full Syn 10w40(Non E/p)

labelled as new on the bottle(which is it is..they have a older 10w40, but it's a blend and not a full syn)

Mallard 02-26-2007 01:09 AM

dunno what it is but i found this

http://64.233.183.104/search?q=cache...nk&cd=12&gl=dk

i use 10w-40 in a 1.6 :oops: M43

Triple_A 03-28-2007 02:44 AM

ELF full sythetic 5w30 is all i use.... engine runs smooth gas consumption is down, im happy.

Will'sBimmer 04-21-2007 02:52 AM

Temp. is usally 80-90 on a hot day. I run 10-30w

Mallard 04-21-2007 11:39 PM

im on 5w 50 now, and its much better......... i think :lol:

gldfshkpr 02-05-2008 12:19 AM

Mobil 1, 0w-40 synthetic. California, year round.

Mr. Crow 04-30-2009 08:42 AM

This is the perfect thread for my question.

I just bought my car a lil over a month ago. Im changing my oil tomorrow. I dont know what the guy was running in it.

I would prefer to use synthetic. Should I just put syn oil in my motor anyway? I got 139k on this b***H, and I dont want any leaks starting now.

I live in Southern Ca where the sun is shines bright and is warm as hell in the summer,(in which we are aproaching).

please, advise! :biggrin:

Texasbimmerfest 02-07-2010 09:46 PM

5W-30 TX

pdxmotorhead 02-07-2010 10:52 PM

FUnny I could not find any 15w40 or 20w50 synthetic last time so I tried the 5w30... Ouch.
Engine sounded like a box of rocks I found some 20w50 Royal and its happy and quiet!

Dave

Marv17 02-07-2010 11:08 PM

i keep hearing so many different oil weights. so i get confused which one is the better one. what do you guys recommend for the S52? i live in southern california so the weather is usually like 60-100 degrees.

i've been using the OEM weight which is 5-30? but then used 10-30 to see how it worked out. seemed to quiet it down a bit too.

pdxmotorhead 02-08-2010 01:54 AM

BMW put a nice little chart in the owners manual.

I follow it. :)

Its all about the year and the bearing clearances, depending on how the rod and main bearing clearances were set and the amount of oil pressure and I suppose the phase of the moon, the viscosity affect the actions of some of the internal parts like tensioners etc.

I was told once that the first number on oil is the equivalent viscosity at 0C and the second is at 100C.

So 10W40 is the same viscosity as 10 weight oil at 0 and the same viscosity as 40 weight at 100C so I was told... Guy was a Chevron engineer...

Dave

318tiFatherFigure 01-13-2019 10:36 AM

+1 on the previous post mentioning the chart.
I checked out the chart in the handbook for my '97 318ti M-Pack (Not M) with 242k Km.
It states 20w50 year round, which is about the cheapest there is. I use Castrol GTX and change it more often than the regular service interval. Temps here 10C to 40C over the year. I would not go to some of the thinnest available as the engine was never designed for it from new. 10w? Only if I was above the Artic Circle with a fresh engine.
Because of the situation with my engine I am using GTX Diesel at the moment to clean out the engine interior (more active detergent component). I anticipate changing the filter out before the oil as I expect it to become blocked - I have been caught with that before in similar circumstances.


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