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Old 05-04-2022, 04:09 PM   #3
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Originally Posted by J!m View Post
That’s the worst blockage I’ve ever seen. But shows how important the correct coolant is in the E36. BMW issued a bulletin on it, due to “green goo” deposits forming.

Once you clear it, flush it well and use the BMW coolant. They have so many dissimilar metals in use it is really critical. I also suggest the Stewart water pump, especially if the one you put in is a plastic impeller.

Pretty sure the pump I put in is a Graf with a metal impeller, those have been fine in my experience. Stewart pump would be nice for the extra flow on the track though, but I’m a while away from tracking this car, there’s so much that needs fixing first. I will be flushing the system out with proper BMW blue coolant, as that’s what I run in all my BMW’s.
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