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      10-09-2017, 08:41 AM   #16
JETmn
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Drives: 2011 335i xDrive Msport
Join Date: Apr 2013
Location: Orlando

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2011 335Xi  [0.00]
Quote:
Originally Posted by EB89 View Post
Anyone else have N55 coolant leak issues?

Ive had the coolant reservoir crank and that has been replaced, but now im seeing a weekly drain where i need to top it up at least one per week, sometimes more.

I cant see any visible leak or fluid on the ground. Im hammered the car to get it hot then stopped and looked for a good 10 mins from above.
Coolant reservoir, radiator (usually driver's side) and t-stat housing are the normal culprits.
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2011 335Xi 6AT - VRSF catless DP - VRSF 7" FMIC with turbo inlet pipe - VRSF chargepipe - Pure Stage 1 turbo - JB4 - E30 - xHP Stage 3 - Strongflex tension bushings - Whiteline RSFB - UUC rear swaybar
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