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Old 06-20-2011, 09:05 PM
h0mersimps0n h0mersimps0n is offline
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Join Date: Aug 2006
Posts: 131
Mein Auto: mazdaspeed3
I remember reading a few years ago about how BMW stretches engine oil life... Don't remember how substantiated these claims were but it seemed reasonable to treat such amazing engines a little extra tlc with some fresh oil every 5-7.5k

I used to change my 2003 330i zhp oil when the maintenance odometer hit 7500 (from 15k start). I'd use oem oil and oem filter. No problems and no word from dealer at any time from 26k-100k did anyone question me about changing the oil myself.

Unless you forget to put the plug in or filter screwed up I would think it's not a bad thing when using oem oil/filter.

My 2c
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