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N47 Engine Oil Question / Recommendation 5w30 or 0w30?

8.7K views 3 replies 3 participants last post by  sfebs  
#1 ·
Hi Guys

Trawling the web has thrown up some conflict in engine oil choice. Some threads are recommending Castro Edge 5w30, others (including the Castrol site) is recommending 0w30?

Would using 5w30 be detrimental to the engine? Or not really discernible?

Thanks

Steve

Car: '10 F10 520d & '13 F11 520d
 
#3 ·
Would using 5w30 be detrimental to the engine? Or not really discernible?
No real difference between them BMW only use the 0w as factory fill because its the grade that will work in all markets as 0w works in temps down to -40 but as 5w will work down to -20 its fine to use in the UK