The N54 is reliable, just stay on top of maintenance and pro-actively replace all the plastic parts known to fail in the engine with aluminum aftermarket parts.

Oct 26, 2023 · Turbo wastegate rattle is common on original turbos. Not so common on replacement turbos. The rattle itself is harmless for years. Eventually the wastegate just won't close properly …

I have had an awesome experience with reliability and the N54. It differs though. I had to replace injectors and charge pipe, but nothing more. There are also problems with the fuel pump, water …

Oct 19, 2023 · First, you don't know if the engine is currently burning oil because you change it so much sooner and how much consumption are we talking about anyways? Second, I would expect some oil …

Mar 24, 2016 · Now that's it's been around for 10 years, how does the reliability and maintenance of the N54 engine stack up as you get past 100k miles? My mom's 535i hasn't had any issues, but she …

Jun 27, 2022 · The n54 engine itself is really solid, however a lot of parts that are connected to it will go out on you and will have to be upgraded. I bought mine at 85k miles and have had a HPFP and …

Dec 30, 2022 · Skip the N54 for a daily. N55 is a good choice but also i'd keep a keen eye on maintenance records when buying and be meticulous with ongoing maintenance. Power requirement …

Aug 5, 2021 · So I’m a high school student who’s going to uni soon at the end of this year. I currently drive a 2008 bmw 116i, and I’m thinking about upgrading to a sport sedan. I’ve limited my choice to …

Oct 26, 2023 · Engine good. Everything around the engine bad. Old leaks (valve cover, pan, oil filter housing) Coolant leaks (water pump) injectors, turbo Westgate rattle, electrical gremlins, vanos …

May 28, 2020 · E90 - tips for removing engine (N54) on xDrive model? I’m replacing the engine of my E90 335i xDrive in the next few days, I’m wondering how much different it will be than alll the RWD …