89mustang Posted June 17, 2009 Report Share Posted June 17, 2009 Can anyone tell me the difference between std BMW bottom arms and the M tech arms ( not the ones fitted to M series cars)? The M arms are marked with a cast logo and a blue label on them. Had an E46 in fitted with one of each and it showed only minute differences on the readings, but would like to know if different materials are used to justify the large price difference. Quote Link to comment Share on other sites More sharing options...
Mark H. Posted June 17, 2009 Report Share Posted June 17, 2009 Different bushes? Quote Link to comment Share on other sites More sharing options...
Tony Posted June 17, 2009 Report Share Posted June 17, 2009 I would say not... Although there's probably a marked difference in the dynamic compliance and durability. Quote Link to comment Share on other sites More sharing options...
89mustang Posted June 17, 2009 Author Report Share Posted June 17, 2009 Struggling to find definitive answer but they cost more than twice as much as a std arm. Quote Link to comment Share on other sites More sharing options...
Anees Posted June 17, 2009 Report Share Posted June 17, 2009 My car has M-Tech suspension and the price difference for the arms is very large between the two. Are they lighter weight or something? Quote Link to comment Share on other sites More sharing options...
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