I noticed temps to be right around 200 on the gauge as mentioned by many, it would pretty much stay there no matter what when the engine warmed up.

However, I noticed that since I replaced the engine fan clutch, the temp would be more variable now. Cruising on the highway temps get down to 170 or so, up to a high of 200 depending on driving style.

Btw, would you happen to know if it is possible to get the oil temp display working on the 6cyl cars? I've been wanting to get an oil temp read out on the 3.0 and there has been some talk of it being theoretically possible, especially on the E39 forums, but I havent seen anyone actually do it yet.

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04 X5 3.0i auto
03 X5 4.6is