Is the BMW e39 M5 reliable?

BMW's take mileage very well and if properly looked after with regular oil changing (very important) will go on forever. In my opinion they are well designed and built to last. My 1997 E36 328 has...

No, the two have the same engine but the M6 weights about 500kg lighter. But that only matters in a straight line. In a corner, the M5 is simply too long to have a good turning feel.

its costs around £73,000 new but if you buy a used one it is about £25,000.

there is a carbon activated filter under the rear left tire (left hand steering). I read on internet there is another one outside, under the drivers seat

Remove fan clutch with fan impeller. Remove A/C compressor drive belt. Remove cap from tensioning roller. Relieve tension on drive belt. Remove drive belt. Reverse procedure for installation.