The N55 in my 2014 BMW F30 335i M Sport has 128,000 miles on it, and like most BMWs of this age, the bottom of the engine was absolutely covered in oil. In this video, we’re tackling one of the biggest jobs on the car so far: replacing the oil pan gasket and rod bearings, along with everything else that makes sense to inspect or replace while the front subframe and oil pan are out of the way.

Replacing an oil pan gasket on an F30 335i isn’t exactly a quick job. The engine has to be supported from above with an engine support bar before the front subframe can be lowered and removed to gain access to the oil pan. Once we’re in there, though, there’s a TON of stuff that becomes accessible.

With the oil pan removed, I pull the oil pickup tube and oil pump, inspect the pickup screen, oil pump, oil pump drive chain and sprocket, and get the windage tray/oil deflector out of the way to access all six connecting rods. From there, we replace all six N55 rod bearings and rod bolts while inspecting the crankshaft journals and checking the condition of the original bearings.

Since the subframe is already out of the car, I’m also replacing both worn engine mounts with new Corteco mounts and installing a new oil level sensor before cleaning everything up, resealing the oil pan with a new gasket and hardware, reinstalling the subframe, and putting the car back together.

This is a complete step-by-step DIY guide, including all torque specs, procedures, inspections, and the little things you need to know if you’re planning to tackle an N55 oil pan gasket or rod bearing job yourself.

Huge thanks to FCP Euro for supporting this build and helping make this F30 335i series possible. All the parts for this repair came from ‪@fcpeuro‬  making it easy to address everything at once while the car is this far apart. If you need parts or specialty tools for your European car, they will be your one stop shop for everything you need.

If you have an F30 335i, F32 435i, F22 M235i or another BMW powered by the N55 and you’re dealing with a leaking oil pan gasket—or you’re considering replacing your rod bearings—this video should give you a good idea of exactly what you’re getting yourself into, and give you the guide you need to get this job done yourself.

PARTS USED:
Engine Oil and Filter Kit
https://www.fcpeuro.com/products/bmw-...
Oil Pan Gasket
https://www.fcpeuro.com/products/bmw-...
Oil Pan Bolt Set
https://www.fcpeuro.com/products/bmw-...
Engine Oil Pump
https://www.fcpeuro.com/products/bmw-...
Oil Pump Sprocket
https://www.fcpeuro.com/products/bmw-...
Oil Pump Sprocket Bolt
https://www.fcpeuro.com/products/bmw-...
Oil Pump Pickup Tube
https://www.fcpeuro.com/products/bmw-...
Oil Pump & Pickup Tube Hardware Set
https://www.fcpeuro.com/products/bmw-...
Oil Pickup Tube O Ring (If reusing pickup tube)
https://www.fcpeuro.com/products/bmw-...
Oil Level Sensor
https://www.fcpeuro.com/products/bmw-...
ACL Connecting Rod Bearings
https://www.fcpeuro.com/products/bmw-...
Connecting Rod Bolts (12)
https://www.fcpeuro.com/products/bmw-...
Engine Mount Kit
https://www.fcpeuro.com/products/bmw-...
Front Subframe Bolts (2)
https://www.fcpeuro.com/products/bmw-...
Front Subframe Bolts (2)
https://www.fcpeuro.com/products/bmw-...
Front Subframe Bolts (2)
https://www.fcpeuro.com/products/bmw-...
Steering Shaft Bolt
https://www.fcpeuro.com/products/bmw-...
Sway Bar Link Nut
https://www.fcpeuro.com/products/bmw-...

Specialty Tools Needed:
Oil Pump Sprocket Counter Hold
https://www.fcpeuro.com/products/bmw-...
Engine Lift Support Hook
https://www.fcpeuro.com/products/bmw-...
1/2" Torque Wrench
https://amzn.to/4hl4ajZ
3/8" Torque Wrench w/ Angle Torque
https://amzn.to/4hE0ybT
1/4" Torque Wrench
https://amzn.to/4rHr34P
Engine Support Bar
https://amzn.to/4z6K9Uh
Wobble E Torx Socket Set
https://amzn.to/4rEYTaw

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