The BMW recommended wheel for winter tyres on the 4.8is is the style 99 .
8x18 ET 40
You can use most or all E53 ,18 inch wheels although some say yes and some say no . One member had the front wheel spokes scuffing the calipers after fitting new pads .
The others available are 8.5x18 , ET48 .
RealOEM.com * BMW E53 X5 4.8is BMW light alloy wheel, spider spoke 99
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