H&R 2019 BMW M850i xDrive Convertible G14 AWD Sport SpringEvery spring produced by H&R comes from the H&R ISO 9001 certified engineering and manufacturing facility in Germany. All H&R springs are produced from a special 54SiCr6 spring steel, which has strength rated at 290,000 psi resulting in unrivaled tensile strength and resiliency. H&R Sport Springs offer the handling characteristics and aggressive appearance that you've been looking for, without the harsh ride characteristics of less advanced spring

61 kg/mm 114 N/mmBlock Height: 4

optionally without catalyst converter / 200CPSI EU6 high quality racing metal catalytist converter / HJS 300CPSI ECE catalyst converter

(32) Supertech Valve Keepers

NOTE: Weld-in front application

This kit replaces the rubber bushings with motorsport-quality Aurora Spherical Bearings

FITS all Mk4 Golf/Jetta 12v VR6 - Automatic ONLY

Competition Intercooler Kit for BMW G30/31 528-540d G32 620-640d

For use on all 1

Motor Mount bolts and 1 Gallon of G13 coolant

soft to the touch but with good wear resistance and durability

causing alignment to vary under acceleration

Dynamic+ Lowering Springs were thoroughly evaluated on the street and track on 034Motorsport's B9 Audi A4 Development Vehicle