On the N62 they went with a heavy duty dual purpose fan. And on pre 04 models the pusher fan was mechanical.

Even with warmer temps in your area the installed fan should suffice and if the temp needle goes beyond mid point there might be something wrong with the cooling system.

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TQ2K


'04 N62 - Alpine White/Truffle
'03 S62 - Petrol Mica/Champagne
'97 S52/4/5 - Alpine White/Dove
'91 M42/4/5 - Brilliantrot/Tan