Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit turn14-product-not-found-review 134% more capacity and 55%

134% more capacity and 55% more frontal area

Drilling to the bumper is required to fit this product

The Positive Air Shut-Off butterfly valve design simplifies the number of parts and reduces the overall size as compared to competitive units and uses aluminum and stainless components plus weatherproof electrical connectors to prevent corrosion

Manufacturer Part # : 10228006

Manufacturer Part # : LM437GPK

Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit turn14-product-not-found-review 134% more capacity and 55%Manufacturer Part # : SPRK H1000D BM Product Description Short Supertech BMW S42 M42 M50 S50 M52 M54 Dual Valve Spring Kit