|335i n54 reliability||0.66||0.9||8087||42|
Putting aside the early issues the N54 and N55 are both relatively reliable engines. Some of the supporting hardware such as valve cover gaskets and water pumps are common issues on each, and will likely be for the distant future. After all, BMW isn’t targeting customers looking for the most reliable cars on the road.What are the best power mods for the BMW N54 135I 335i?
The best bolt-on power mods for the BMW N54 135i 335i and 535i include: 1 Tune 2 Dual Cone Intakes 3 Downpipes 4 FMIC 5 LPFP (for higher E85 mixes) 6 Inlets & OutletsHow rare is a BMW 335i?
The body got the new front end, door molding, rear defuser, black mirrors along with a tuned exhaust that sounds a whole lot better than any other BMW I have heard so far. They only made about 6000 total for the North American market only, so it is a reasonably rare car. 2011 335is DCT with 46k.How much power can the N54 handle?
We have seen N54's break 800+whp on the stock internals - good luck achieving that with a 2JZ. BMW rates the engine at 300hp and 300tq to the crankshaft directly out of the factory. It is widely known that BMW undershoots their power estimates, and this is especially true with the stock N54 putting down roughly 280hp and 290tq to the wheels!