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      04-12-2024, 09:59 PM   #11
knightarmor
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Drives: 2017 M3
Join Date: Jan 2015
Location: Washington

iTrader: (2)

I guesstimate it takes about 10-14 hours from start to finish for someone who hasn't done it before. I think it took us about 6 hours but the car sat for two weeks or so while I figured things out and waited for parts to arrive.
The only part you will need to replace is a plastic pipe that sits above the filter housing assembly. You have to remove this to get the housing out and I couldn't find just the o-ring for it. I bought the whole assembly with o-ring at ECS also.
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