Oil for BMW 318i ?

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Car: 1991 BMW 318i with M42B18 Location: Richmond, B.C. Canada Max. temp over past year: 28 degree C Min. temp over past year: -12 degree C Usage: Lots of short trip to school, 80%city/20%Highway I have been using Castrol GTX 10w-40 all year around for the car. Mainly because it was available at costco in 12L cases. What brand and weight would you guys recommend for my condition ?
 
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Hi, I would stick with what you have been using - it is a good product BMW suggests using that oil viscosity from -20C to 20C Should you want to use a synthetic oil a 5w-40 would do the trick very well indeed I have a MY98 Z3 2.8 and I use Delvac 1 5w-40 Regards
 
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quote:
Originally posted by BarF1: I couldn't find 5w-40 anywhere available.
Some Walmarts have a gallon of Rotella 5W40 for around $12.
 
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My 1992 BMW (Canada model) owners manual recommends 15W-40 for -20C to +30C, 10W-40 for -30C to +15C. These are dino oil specs. I am currently running 10W-40 Syntec. If you want to stay inexpensive, maybe a 15W-40 like Chevron Delo, which has worked well for me in the past. Four cylinder BMW engines have a reputation for high oil consumption. How often do you add oil?
 

BarF1

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My engine burns no oil at all. I never had to add any oil to it. What model is your '92 ?
 
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I think a 5W-40 synthetic oil would be the way to go in your climate. If you can't find a 5W-40 motor oil than a good alternative in my opinion would be to use Castrol Syntec 5W-50. If you are determined to use conventional oil than I would suggest using an API CI-4/SL 15W-40 conventional oil. The advantage of using an API CI-4/SL "diesel" oil as compared to a conventional passenger car motor oil are that there are more antiwear additives and also these oils have very high detergency and should keep your engine cleaner than a typical conventional oil. [ March 23, 2004, 09:07 AM: Message edited by: Sin City ]
 
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I would recommend either the Syntec 5-50 or M-1 15-50 which my buddy just put in his `88 325e this past weekend and he's very pleased with how smooth the engine runs and picks-up especially on the highway.
 
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