Quote:
Originally Posted by Nice540bro
Not yet, it has 105,000 miles and no problems yet (knock on wood) but a buddy of man had a 540i that went all the way up to 220,000 miles on original guides and told me his secret was 10w-50 in the summer time.
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Do yourself a favor and get the timing guides done on the X5. You will want to preserve your 4.6is engine. Its time