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      02-05-2013, 08:23 PM   #51
1speedbike
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Drives: 2022 X4 M40i, 2008 135i
Join Date: Jun 2008
Location: MKE

iTrader: (15)

April 2008 build, 66K miles and my water pump is fine. Tuned since about 20K miles. Progressively been adding mods over time, last one was meth since about 50-55K miles.

I've always heard to expect the water pump to fail by 100K miles, usually around 80K based on older generation models and friends who have had them. Knocking on wood for mine... though I got the warranty extended to 100K so I'm kinda hoping it just fails by then so I can just replace it already.
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2022 X4 M40i - 2008 135i - 2015 F700GS
On Order - 2024 i4 M50

Scruffy's gonna die the way he lived... Mmhm.


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