Done that one myself also and it took about 20 minutes.

I have done this before in my '00 e46 323i and in my Landrover Freelander V6 so i had some practice.

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'01 E53 4.4i exe sport >155K-miles [daily driver]
'00 E46 323i sport >90K-miles [sold]
'01 LR freelander 2.5 V6 >90K-miles [sold]