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5 Series DIY
Knowledge Is Power! ~ The place for do-it-yourself threads on a variety of topics. Start a thread describing a particular job (oil change, cooling system overhaul, brakes, shocks and springs, etc.) or search for one you need help with! |
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#1
07-19-2003, 02:43 PM
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Which brand/viscosity of oil for your 540i?
I live in Dallas and was thinking about how stinking hot it is here today.
 100+FNow that the summer heat is here I am wondering how well the 5w30 is protecting the V8 in the 540i. Is a higher viscosity needed in hot climates? I am thinking about a 10W40 weight changeover. What are your preferences on oil brand/viscosity?
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07 335i Coupe. 
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#2
07-25-2003, 10:16 AM
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5w30 Mobile 1 used all-year in CA. I think I'll switch to BMW OEM synthetic next.
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#3
08-08-2003, 03:11 PM
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Try Mobil1 0W-40, newest offering in US with ACEA A3/B3 and BMW LL 01 specs. BMW branded 5W-30 is also on a thicker side and should work nice.
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#4
05-01-2004, 12:54 PM
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Does anyone know where the specs are posted for the BMW oem synthetic oils? I would like to see for their 5w-30.
Thanks
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#5
05-11-2004, 02:24 PM
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I just switched to RedLine 5W/40 in Houston
Engine seems to be running smoother...faster maybe...just feels right.
Jim
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