BMW had a lot of spare parts left over after the V12 (S70/2, 6.0L) LMR LeMans racer effort, they green lighted the X5 V12 LM project to set a 'ring track record.

It lapped the N'b'ring in 8min 5sec.

The engine came from this......

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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!