It might get hot under the bonnet but I am not aware of any issues occurring because of that over the last 10 years the thousands of miles driven and the varied environments the M3Ws live in.
Last edited by britmog; 21/07/2102:30 PM.
Bruce 1964 4/4 Series V Comp (Megan) 1994 +8 (Maurice) 2013 M3W (Olga)