MMR BMW N55 Sump Baffle for M135i, M235i, 335i, 435i
Stop oil starvation on your BMW N55. The MMR BMW N55 Sump Baffle is the essential oil control upgrade for fast road and track day cars, proven to reduce oil surge under hard braking, hard cornering and rapid direction changes. If you drive an F-Series BMW M135i, M235i, 335i or 435i and push the N55 engine, this bolt-in sump baffle delivers the protection and consistency your engine needs.
Engineered from the ground up, the T-6061 anodised aluminium MMR sump baffle features 7 one-way oil control flaps and specific internal baffling to keep oil around the pickup, helping to maintain more constant oil pressure during aggressive driving. No welding required, no hassle fitting. This is a data-proven, track-tested, road-ready solution that protects engine longevity and reliability on the N55 platform.
Why choose the MMR N55 Sump Baffle
- Reduces oil starvation and oil surge on the BMW N55 under hard braking and cornering
- 7 one-way oil control flaps for superior wet-sump oil control
- T-6061 anodised aluminium construction for strength and durability
- Bolt-in installation, no welding required
- Proven on track and road over thousands of miles
- Helps maintain consistent oil pressure and protects engine longevity
- Perfect for track days, spirited driving and fast road use
SEO-friendly fitment keywords
BMW N55 sump baffle, BMW N55 oil baffle, BMW N55 oil starvation fix, BMW N55 oil surge fix, MMR sump baffle N55, BMW M135i sump baffle, BMW M235i sump baffle, BMW 335i sump baffle, BMW 435i sump baffle, F20 F21 F22 F23 F30 F31 F32 F33 F34 F36 N55 oil control, BMW track day oil control, BMW wet sump baffle plate.
Compatibility - BMW F-Series with N55 engine
- BMW F20 F21 N55 M135i
- BMW F20 F21 N55 M135i LCI
- BMW F22 F23 N55 M235i
- BMW F30 F31 F34 N55 335i
- BMW F32 F33 F36 N55 435i
Fits all F-Series 1, 2, 3 and 4 Series with the N55 engine.
Real-world results
We have used and installed this MMR BMW N55 sump baffle on customer cars and our own development vehicles with excellent results. Customers consistently report greater confidence on track and improved consistency during heavy braking zones and long, high-g corners.
Installation
Bolt-in fitment. For installation you will require the Genuine BMW N55 F20 F22 F30 F32 Sump Baffle Installation Kit. If you would like professional fitting, we can help.
Nforcd offers fitting at our workshop in Warwickshire. Request a fitting quote by emailing Sales@nforcd.com.
Part number
MMR20-0501
In summary
If you track or drive your BMW N55 hard, the MMR sump baffle is a must-have reliability upgrade. It is a simple, bolt-in, high quality solution that helps prevent oil starvation, protects your engine and keeps your N55 performing consistently on the road and on track.