Bilstein B12 (Pro-Kit)-Suspension Kit (46-223609) 40310 The reservoir for the STILLEN

The reservoir for the STILLEN unit is larger which eliminates the chance of boil-over

All headers are a direct fit bolt on replacement when used with the correct matching mid-pipes which are available with high flow catalytic converters and in off road race versions

Allow to work for a few minutes

there is a possibility of clearance error

Bilstein B12 (Pro-Kit)-Suspension Kit (46-223609) 40310 The reservoir for the STILLENBilstein B12 (Pro Kit) suspension kits are a complete set of B8 Performance Plus dampers paired with Eibach (Pro Kit) springs that provide moderate lowering between 24 40mm (depending on application). These kits offer dampers and springs that are tuned for each specific application to provide the best fixed height lowering solution. Bilstein B12 (Pro Kit) suspension kits provide the perfect combination of suspension dynamics, quality and aesthetics.