2006 E90 330xi Automatic transmission fluid/filter change?

Asked by Dec 04, 2012 at 11:39 AM about the 2006 BMW 3 Series 330xi Sedan AWD

Question type: Maintenance & Repair

Car: 2006 E90 330xi Automatic with 102k Miles w/ no issues in shifting of grears or performance of tranmission both in city and highway driving.

Dealership mechanic says: Don't change AT fluid/filter; it is rated as lifetime fluid unless their is a problem with tranmission/shifting

Outside reputed mechanic says: Change filter/fluid

Forums: Few people have had issues after the fluid/filter change.  

Has anyone owning e90 3 series particularly the 330i/xi models with N52 engine and GA6HP19Z automatic tranmission changed their automatic transmission fluid? What is their thoughts and experience?

Appreciate all of your feedback and answers.

3 Answers


While I don't own a E90, I have an E46, BMW does state that it is lifetime fluid. I think they just want to make more money on replacing a transmission in the near future. I tend to agree with others that it should be changed as the fluid tends to break down over the years. I'd personally change it with the correct fluid and filter and make sure you have the proper level and you shouldn't have any issues. If at all you will be prolonging the life of your transmission.


I would change it too. as to tranny fluid does break down after a while

1 of 1 people found this helpful.

ive been told that if the fluid was not changed continually that the fluid should not be changed and that the contamination removed from the change will cause failure do to clearances.. just what i have been told

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