Quote:
Originally Posted by tomasp001
Sorry to revive this thread, I've got a question, I just bought my 2008 335i and just learned from this thread that there is 94 octane available here in Canada. Is it safe to put 94 oct on stock hpfp/lpfp? keep in mind I don't have any piggyback tuners right now that can log info. Thanks for your reply.
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Running higher octane is better/safer for your engine as opposed to running lower octane. Running higher octane helps reduce carbon build up.
I am currently running MHD 2+ tune, fill shell 91 or petro 94 religiously. Never had any issues; other than misfires from bad cyl # 3 coil pack.