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      06-06-2011, 12:47 PM   #18
Chriztofor
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Drives: '06 325i Auto
Join Date: Feb 2010
Location: Chicago Burbs

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Take a look at Castrol 5w-40 it states on the label that it is designed for bmws. It also meets all certifications for Castrol 0W-30. If you go by certification you would think that Castrol 5w-40 is the same as Castro's 0w-30. However, Castrol's website shows that their 5w-40 is NOT for bmws that require LL01 ( see link, page 2) [http://www.castrol.com/liveassets/bp...syntec_usa.pdf This LL01 cert must mean something. Why risk using royal purple or amsoil or any other oil without that LL-01 certification? Castorl 0W-30 and Mobil 1 0-40 have that certification. The complete list can be found on BMW's website http://www.bmwusa.com/Standard/Conte...ngineOils.aspx
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If no codes are being thrown use Chevron Techron fuel injector cleaner (concentrate). It solves rpm fluctuating upon cold start-up. Also, for most BMW problems start off by scanning your car with the Peake Research Tool. It contains the actual BMW codes. If you want to register a newly installed battery for free (just buy a $10 cable) and google/download BMWLogger

Last edited by Chriztofor; 06-07-2011 at 01:20 PM.
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