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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Dinan's ECU upgrades are offered in numerous configurations depending on your specific needs
*** Vehicles with November 2019+ software may require DME unlock done on the bench to enable OBD flashing
available separately (Amazon $20)
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DINAN FREE FLOW AXLE-BACK EXHAUST - BMW 2007-2013 BMW 335I/335IS/335XI Dinan's ECU upgrades are offeredDinan's free flow Axle Back exhaust for the 335i Coupe and Convertible improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration. 100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come. The
