ARM B58 Charge Pipe - 240i 340i 440i 540i 640i 740i Billet aluminum paddle shifters if an issue is found

if an issue is found we can speak with BMW about a replacement

as well as spirited driving on the street

lower pressure drop across the system

It is not certified for use on public roads and may not comply with local regulations

just use 3m double sided tape and apply them to the back of the seat

ARM B58 Charge Pipe - 240i 340i 440i 540i 640i 740i Billet aluminum paddle shifters if an issue is foundHIGHLIGHTS Increased 3" Diameter Tri Port NPT CNC Machined Fittings Mandrel Bent T6061 Aluminum PROFILE The ARM B58 Charge Pipe is a bulletproof charge pipe replacement for the plastic OEM B58 charge pipe. The ARM B58 Charge Pipe increases the diameter over the OEM charge pipe, resulting in increased airflow from the turbo to the engine, and improved throttle response. Upgrading the charge pipe on your B58 is one of the basic steps in ensuring your