Thread: DIY electric water pump VIDEO for N-series (N51/N52.N54/N55) engines...
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      08-19-2016, 02:13 PM   #42
JohnnyG_TO
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Drives: 135i - 2011
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Don't use oil...it will degrade rubber. Likely not enough to cause a failure but why risk it? If you don't have some silicone-based lube, just use soap (baby shampoo works great).
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