Quote:
Originally Posted by Greenarcher707
A little off topic but does the 135i engine run hot normally? Under normal driving my temp would go from mininum to about half way but never goes beyond. Is that about the way it usually is? Sorry, my first forced induction vehicle.
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My pump just failed around 58,000 miles. I have a 2011 E88 N55. I replaced the thermostat and pump myself for around $400. Couple more replacement steps on convertible due to extra bracing under the car, but not bad. It's also a good opportunity to replace the diverter valve and vacuum line to the wastegate since you have more clearance and visibility.
For those who want to check coolant temps without buying anything. Google search BMW hidden menu(Think there's a thread on E90 post. I used this menu in the past for my E92 and assume it would work on our E8x cars. I'll test later, but here's a video for coolant.