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					Originally Posted by yjm3
					
				 (dinan is to bmw what ruf is to porsche). | 
	
 
Not really... traditional ruf cars have their own VIN number... dinan is like an expensive tuner whose products can sometime be warranted by a BMW dealer. 
back on subject... my good friend has a E46 M# cab... Its faster than my S, but there is no way it can keep up when the roads get twisty. Both car are great... each have their pluses... The M does have more practicality.