'11 335i sedan

Asked by Jan 28, 2017 at 01:40 PM about the 2011 BMW 3 Series 335i

Question type: Maintenance & Repair

Optimal running temp is 230-240. On faster driving
90-120mph, the temp runs to 250. Shouldn't the
water pump keep it at 240 ?

2 Answers

69,555

Original equipment thermostat temp is 206°F. Your BMW is running way too hot! You should have the cooling system flushed and flow tested either by your local BMW Dealer or a reputable shop that specializes in imports. DON'T let a gas station or chain type garage near it! They'll have no idea of what they're doing on this car!! BMW cooling systems are very fussy and they don't like being run hot at all! HTH. -Jim

1 of 1 people found this helpful.
1,525

I would recommend replacing your thermostat if it's running around 240 F. Jim got that spot on... do NOT let a chain "mechanic" work on that car either. That is one of the most dangerous things a BMW owner can do.

1 of 1 people found this helpful.

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