I'd definitely cut it with higher octane fuel. These upgrades and aftermarket modifications apply to 3-series BMWs made from 2005-2013. Seems like more is better when you're pushing the limits, but as with most things, it's probably diminishing returns once you're up above E50 on detonation resistance. Looking for cool upgrades for your BMW 3-series, E90 (sedan), E91 (wagon), and E92 (Coupe) Below you will find several upgrades and modifications that will make your BMW stand out: a 328i, 330d, 335i. I think some of the N54/N55 guys run lower ethanol mixtures like E30-E50.If you click any of the product links in my video description, I will earn a small commission at no extra cost to you. Lots of unique content being consistently uploaded, so be sure to subscribe! Please note: My channel contains affiliate links. We have developed this port injection to fit both the N54 & N55 motors that will provide you with the additional fueling needed in cars running 100% E-85, upgraded high performance turbos, or both! Why do I need port injections can I just upgrade my current injectors like I did in my old car?.140k miles :sweatsmile: 3 pulls: - 443whp/500wtq (air box lid removed) - 455whp/488wtq - 441whp/492wtq Tune: - Wedgeperformance Flexfuel MHD E50 Custom Tune Mods: - RB1s DIY turbos - RB Inlets - DPs - Fuel It Stg2. Hey Guys, Sharing some of my mods and feedback on my 09 135i N54 AT.Dyno test and technical info about the 335i/N54.

Bmw e92 m3 mods