Quote:
Originally Posted by julezw
Thanks for the reply... the dealer said the same thing regarding bad fuel, told me to use same fuel all the time of a high quality. They recommended BP Ultimate which is what i use?
Is the oil separator only prone to issues in very cold weather? I can't remember the last day i would describe as being very cold down here....i also read that all 4.4i need oil separator replacements is this true or just for the states?
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BP is not a recommended fuel for BMW. Only use Top Tier Fuels.
Top Tier Gasoline
the pre 10/03 production 4.4 require separator replacement at around 70-100k, its a rubber diagphram, and will fail eventually. also check the 2 crankcase hoses on top of the intake manifold for mushyness.