You're running taller but narrower tires. I wonder how that look (on stock style 87 I assumed)
It should be fine. The odometer will be a little off.
I would look into a set of 18" (not sure if fit) or 19" wheels which will be better for off-road purpose.

BTW, nice stable.

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00 E39 DINAN S1 //M5 (82k miles)
06 E53 DINAN 4.8iS, born 2/18/2006 (126k miles) http://www.xoutpost.com/bmw-sav-foru...s-my-dslr.html
90 Straman Z32 TwinTurbo Convertible, (1 of 44 ever made) 5 speed, 444rwhp/451rwtq
01 360 Novitec Spider F1 (26k miles)