Why does my 2016 bmw 420i xdrive luxury have two coolant bottles one big one and one smaller one.

Asked by Mar 20, 2017 at 05:01 PM about the 2016 BMW 4 Series

Question type: Maintenance & Repair

2 Answers

74,525

Read your owners manual. My guess is that one is for the windshield washer.

Hi thank you for getting back to me I have done that and it only shows the one bottle the windscreen washer bottle is behind the front drivers wheel. The both bottles are filled with blue antifreeze so could the small bottle be a secondary heating maybee.

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