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Old 02-12-2013, 01:35 AM
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Quote:
Originally Posted by Skyline View Post
AFAIK, virtually every car with an automatic transmission has a cooler built into the radiator. What's a little different on the X5 is the thermostat gadget located down in front of the A/C compressor. If your tranny is running too hot, perhaps the transmission thermostat is bad and not allowing the tranny fluid to flow into the radiator?

The 4.6is tranny fluid doesn't flow through the radiator, it has a separate tranny cooler. Click on the link, it's the big rectangular shaped block, part #11, called a heat exchanger.

RealOEM.com * BMW E53 X5 4.6is Oil-cooler pipe/heat exchanger
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