034Motorsport Rear Subframe Mount Insert Kit - S4/S5 B8/B8.5 Model_Polo but the stock intercooler unit

but the stock intercooler unit poses as a weak link for your turbocharged Bimmer

not just inserts for use with the factory mounts

034Motorsport Motorsport Tracksport Engine/Transmission Mount Pair Billet Aluminium - Golf Mk5 2

Excellent corrosion resistance

034Motorsport Rear Subframe Mount Insert Kit - S4/S5 B8/B8.5 Model_Polo but the stock intercooler unit034Motorsport Rear Subframe Mount Insert Kit S4 S5 B8 B8. 5 The B8 B8. 5 Audi S4 RS4, S5 RS5, and Q5 SQ5 use rubber rear subframe mounts which deflect under load, causing the rear end to feel vague and loose, as well as leading to less than optimal suspension geometry and increased understeer. These precision machined billet aluminum inserts are designed to fill voids in the factory rear subframe mounts, and limit subframe movement without sacrificing