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Old 12-16-2012, 10:18 PM   #32
DeclanM3
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Join Date: Aug 2008
Location: Sydney
Posts: 3,359
My Ride: 332Ci
Quote:
Originally Posted by trive2 View Post
You're actually better off revving the crap out of it if it tries to overheat. Reason being that you're spinning the water pump and the clutch fan much faster.

When my 535i tried to overheat on the last BMW club run it was worst under load (up hills) at low revs. I just made sure to keep the revs sky high for the rest of the trip and it behaved itself.


And a clutch fan will mostly only affect your cooling at low speeds. If you were on the run I highly doubt it's the fan. The auxillary fan won't be the be-all-and-end-all of this either so I wouldn't look at that.



How long since you've done a full system overhaul? Possibly slightly busted water pump or malfunctioning thermostat?

I don't believe that a hot day and any sort of load should have any sort of effect on a car with a functioning coolants system. If any of those things affect the ability of the car to keep the temperature constant, it's because something isn't functioning.


You're not having much luck with this car are you.
I was going up a hill but had plenty of revs before this started to happen. I was driving with a GTR, 430, 360, GT3 RS, 996 Turbo etc.

I guess the waterpump could explain it if it decided to stop working momentarily.

What's the easiest way to check the waterpump?

Quote:
Originally Posted by rossim3 View Post
Time to sell up Dec and cut your loses.
Yeah, time to bin it and get a 116d.
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Last edited by DeclanM3; 12-16-2012 at 10:18 PM.
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