This 335 customer came to us wanting the max power out of his 4 door saloon. We installed the following : Active Autowerke (AA) N54 Processor AA Front Mount Intercooler AA Blowoff Valve AA full exhaust AR Design Downpipes (prototypes) Stock Intercooler removed: Active Autowerke Intercooler: AA Intercooler installed: Comparison of stock vs. AA: With the additional of - Read More -