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<blockquote data-quote="aoch88" data-source="post: 749092" data-attributes="member: 8491">This question has been asked many times before. If you do a &quot;search&quot;, you may get some old threads with useful information. I used to own N53 530i UK specs and it isn&#039;t as bad as portrayed. It&#039;s not recommended in Malaysia because the engine needs Euro4 fuel due to the high pressure piezo direct injection. Back then, all our fuel are Euro2M but today, all our RON97 are Euro4. Please don&#039;t get confused between RON levels and refinery standards (Euro2M, Euro4, etc). Hence, it should be fine if you run on Euro4 according to BMW specification. Having said that, I changed all my 6 injectors &amp; high pressure fuel pump when I got my car. I was using my N53 with RON95 Euro2M fuel for 5 years and there weren&#039;t any damage except ignition coil (common thing to fail in BMW&#039;s). Everyone&#039;s experience can be different but for my N53, I didn&#039;t have much issues except all the initial problems as it&#039;s an AP recond car.</blockquote>

[QUOTE="aoch88, post: 749092, member: 8491"] This question has been asked many times before. If you do a "search", you may get some old threads with useful information. I used to own N53 530i UK specs and it isn't as bad as portrayed. It's not recommended in Malaysia because the engine needs Euro4 fuel due to the high pressure piezo direct injection. Back then, all our fuel are Euro2M but today, all our RON97 are Euro4. Please don't get confused between RON levels and refinery standards (Euro2M, Euro4, etc). Hence, it should be fine if you run on Euro4 according to BMW specification. Having said that, I changed all my 6 injectors & high pressure fuel pump when I got my car. I was using my N53 with RON95 Euro2M fuel for 5 years and there weren't any damage except ignition coil (common thing to fail in BMW's). Everyone's experience can be different but for my N53, I didn't have much issues except all the initial problems as it's an AP recond car. [/QUOTE]

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