Quote:
Originally Posted by 2mbb
Thanks for your reply. I have an E46 325i where the coolant tank failed. I drove it a similar distance to a mechanic. That engine is still running so I still have some hope for this E53. I will do a compression test as you suggest.
Would a head gasket leak or other loss of compression be detected by OBDII? So far I don’t have a check engine light.
Thanks.
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The accessory belt shredded once about 4 miles from my house. I don't remember exactly why but I had to get home (mostly uphill too) and couldn't wait for a tow. I assumed the head gasket would be toast and basically just accepted my '06 X5 had a good run, but her time was up. Got a new belt, added coolant, and changed the oil. No issues since (20,000+ miles ago).