MATCH UP X4BMW-CTR.3 Centre Speaker Upgrade - BMW F13 6-Series Convertible rear box speakers (This kit will work with

(This kit will work with 2002 - 2004 cars but will not retain the original parking sensors

The initial rate provides the proper preload necessary for proper suspension  function during all road conditions

AIRTEC have used their fully proven 60mm bar 'n' plate core with tapered end tanks

FIA 8856-2000 approved

This non-resonated exhaust makes the system louder as it excludes the centre silencer and therefore

MATCH UP X4BMW-CTR.3 Centre Speaker Upgrade - BMW F13 6-Series Convertible rear box speakers (This kit will work withMATCH UP X4BMW CTR. 3 Centre Speaker Upgrade BMW Premium cars deserve premium sound the basic speaker setup in BMW vehicles does not meet the expectations of ambitious music lovers in many cases. The 2 way center coaxial speaker system UP X4BMW CTR. 3 with car specific basket provides a significantly improved sound staging for both driver and co driver offering the same excellent tonal balance as the other MATCH UPGRADE speaker systems as well as a