SLN BMW B58 OPF Sports Cat Downpipe M340i M440i 540i 640i 840i Z4M40i Nitron On this most applications the

On this most applications the standard geometry is obtainable if required

no plastic parts

causes the tyre to scrub in a straight line due to the incurred slip angle

*Cars with the newest BMW software require a DME bench unlock in order to unlock OBD flashing regardless of production date

Our engineers develop for each vehicle a specific damper setup and spring rate to increase the driving pleasure with optimal balance of sportiness and practicality

SLN BMW B58 OPF Sports Cat Downpipe M340i M440i 540i 640i 840i Z4M40i Nitron On this most applications theSLN BMW B58 OPF Sports Cat Downpipe M340i M440i 540i 640i 840i Z4M40i DESCRIPTION SLN Motorsport BMW M340i 440i 540i 640i 740i and 840i 4. 5 stainless steel sports cat downpipe for B58 OPF engines only Features Full Stainless Steel 304, Stainless Steel flex joint with an inner Stainless liner inside for durability, longevity, What you'll notice is a much deeper exhaust note, better spool response. This downpipe will fit the following models with OPF