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      12-13-2019, 10:12 AM   #158
clee1982
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Drives: 2019 BMW 540i xDrive
Join Date: Nov 2018
Location: NYC

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Quote:
Originally Posted by magbarn View Post
Quote:
Originally Posted by CoolWave911 View Post
I got the car towed back to them using BMW roadside assistance (included with the car). I refuse to drive it when I discovered the reservoir was dry.

They had no choice but to do a full system check and agreed to the warranty claim and replace the expansion tank as per the report that was given to me afterwards.
Sad to see BMW still can't make a reliable expansion tank since my E46 days!

A buddy's B58 equipped 340i has some purple looking coolant in his secondary inter cooler coolant expansion tank. Dealer says it's normal. Mine is fine. Anyone else notice a weird color in their secondary cooking circuits?
Both my primary and secondary are green
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