I have had good results with them as far as service. Just sent the email, hopefully I can swap the set for new ones... I'm just tired of swapping them every six months. The car gets maybe 100 miles a month. Very low hours on them.
2009 135i - SG/Coral - 19" Alufelgen SF-71 - ST Coilovers - Cobb Stage 2+ - AR Downpipes - Berk Sport Exhaust - Active Autowerke Charge Pipe - AMS FMIC - AFE DCI - LUX V3 Angel Eyes - LCI Blacklines - Active Autowerke Strut Tower Brace - BMW Performance CF Spoiler - Kerscher Carbon Splitter - Scopian CF Diffuser - MusicarNW Level 2