AIRTEC Modified Inlet Plenum 12.5mm Metal Push Fit Pipe Upgrade F13 M6 Progressive spring characteristics for daily

Progressive spring characteristics for daily drivability and weekend B-road fun

The OE valve integration keeps it civilised for daily use while unlocking the M5’s true character when opened up

335i xDrive sport suspension

Lightweight carbon fibre construction

Front Yellowstuff 4000 Series pad set - Part number DP42088R

AIRTEC Modified Inlet Plenum 12.5mm Metal Push Fit Pipe Upgrade F13 M6 Progressive spring characteristics for dailyAs now fitted to our very popular AIRTEC manifolds. The original brake servo pipe measures 12. 5mm but most upgrade inlet manifolds are fitted with a 12mm push fitting, this make the pipe too tight and nearly impossible to remove, the metal 12. 5mm push fitting upgrade fits perfectly and easy to install. Fits most upgraded Inlet manifolds, thread is 3 8 BSP