Another DEAD BMW N55? Complete Engine Teardown. Neglect OR Bad Design?

Check out our website at or email us at importapartsales@ for parts and part inquiries. I’ve been tearing down engines on camera for 2 and a half years! Search my channel to see what I’ve torn down. Here’s a few recents: Mini Cooper/PSA N14 Ford 1.0 Ecoboost 3cyl Infiniti/Nissan VR30DDTT Dodge Ram 8.0 V10 Its been over 2 years since I’ve torn down an N55 on this channel! The N55 comes in a LOT of BMW cars and SUV’s including the 135i, 235i, 335i, 435i, 535i, X5, X6. Its a single turbo all aluminum inline 6 making 300hp, about the same as its predecessor. Personally, I am not a fan of these engines. I find they are extremely picky with maintenance and oil pressure but the biggest detraction to these engines is the cost. They are over double the price of their predecessor, and are in MUCH shorter supply. They do offer s