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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Coolant change

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      05-09-2011, 09:54 AM   #1
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Coolant change

How often do I need to do this? I'm at 37,000 miles and the free maintenance will be expired in 1 week.
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      05-09-2011, 10:24 AM   #2
Tom K.
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As BMW considers coolant to be "Lifetime" (100,000 miles or so), they will not change it under the covered maintenance.

I plan on having mine changed after 6 years as the old interval was 4 years but IIRC, BMW claims to be using better coolant. But if the thermostat fails (as was common on E46 models), then the coolant will have to be changed again - so I may wait.

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