When I bought my used X from Sanford Acura in Florida a few yrs ago, it had the intermittent fan issue, told them the fan replacement job was a huge job that costs almost $1000 at a BMW dealer (knew it was FSR), they came down $1800 on asking price. It was the FSR, cash in pocket.

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'03 X5 4.4 Sport, last of the M62s (8-03 build date)
I believe in deadication to craftmanship in a world of mediocrity!