For my 2006 X5 M54 with 6sp MT 143k miles.
I did a partial cooling overhaul back in 2015 with 116k miles
(DIY info in forum), basically most of cooling parts except the rad.

Car runs fine no rad leak, but I am

- When (yr/miles) did your rad leak?
- I am thinking about BMW genuine rad ($337) vs Nissens ($213).
What brand is everyone here using? Experience?

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1998 E39 528i 5sp MT
2006 E53 X5 3.0 6sp MT