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Old 01-04-2013, 09:25 AM
TeaRex714's Avatar
TeaRex714 TeaRex714 is offline
Officially Welcomed to the 'Fest
Location: Houston, Texas
Join Date: Oct 2006
Posts: 419
Mein Auto: 2008 E90 M3
O2 Sensor thoughts?

Anyone with high-mileage experience on BMWs have any thoughts on change interval for O2 sensors? I'm at about 167K miles now and still on the original sensors. No error codes but, on my E39 before this car, my first warning was when the cats were exhausted (and that car had four cats. I could never pass inspection after that but, compared to the $4000+ to replace them, I could pay a lot of tickets for no inspection sticker...)

I see that our cars have four total (before and after the cat on each side) and they're in the neighborhood of $150 each.

2008 M3 Sedan Alpine White / Fox Red
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