MMX Performance BAFFLED OIL SUMP I BMW N55 F2x I F3x I M135i I M235i I 335i I 435i
SKU: 91831138903

MMX Performance BAFFLED OIL SUMP I BMW N55 F2x I F3x I M135i I M235i I 335i I 435i

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Description

MMX Performance BAFFLED OIL SUMP I BMW N55 F2x I F3x I M135i I M235i I 335i I 435iIts well documented that the N55 engine found in the M135i I M235i I 335i I 435i is prone to oil starvation issues when pushed hard on the road and even more so when used on track. If you're ever planning to use your car on track, or even particularly hard road driving, this really is an essential upgrade. Total engine failure is a very real possibility if not. Ask us how we know.! The problem is especially pronounced under hard braking, when the oil

 

It’s well documented that the N55 engine found in the M135i I M235i I 335i I 435i is prone to oil starvation issues when pushed hard on the road and even more so when used on track.

If you're ever planning to use your car on track, or even particularly hard road driving, this really is an essential upgrade. Total engine failure is a very real possibility if not. Ask us how we know....!

The problem is especially pronounced under hard braking, when the oil pools at the front of the oil pan under the lateral g-force, allowing the pick-up to run dry. Even a fraction of a second of no oil feed can be enough to do lasting damage to your engine, any longer and it's almost certain to lead to engine failure. And that's where this Baffled Sump comes in.

The MMX Performance Baffled Sump has been extensively engineered from the ground-up to provide effective oil control, reducing surge and maintaining a more constant oil pressure; it's the ultimate bolt-in solution available to protect your engine's longevity.

Featuring a total of 7 sophisticated one-way oil control flaps and specific baffling, the T-6061 anodised MMX sump baffle has been tested over thousands of miles of track and road use where the data we collected has proven its effectiveness, plus highlighted that it's baffles correct the worst surge problems under hard braking.


Unlike other solutions available that require a plate to be welded in, the MMX solution is simply bolted into place making the addition of the baffle considerably easier and more accessible to install.

Fitment really is an absolutely essential insurance policy for any hard-driven N55 F-series car. 

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SKU: 91831138903

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Amazon Customer
Chelsea, US
★★★★★ 5
Great study book
Format: Paperback
Questions are very similar to my current program questions and have great rationales.
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Reviewed in the United States on November 18, 2025
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PTM
Natrona Heights, US
★★★★★ 3
Some errors
Format: Paperback
Not too good as I think. Some error between hard copy and online q&a bank. Very careful if you want to study with this
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Reviewed in the United States on August 21, 2025
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Casey Griffiths
Belleville, US
★★★★★ 1
Poor quality, the book is already falling apart.
Format: Paperback
This is a review on quality of the book NOT the content. I just got the book today and the binding on the cover came off immediately. It’s very poorly made!!!
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Reviewed in the United States on May 31, 2026
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2020Shoper
Natrona Heights, US
★★★★★ 1
Description is misleading
Format: Paperback
The description states that the book includes the access code. That is not true, the access code has been used and publisher is not honoring coffee
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Reviewed in the United States on April 24, 2026
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Tab.mariie
Birmingham, US
★★★★★ 5
Book as advertised
Format: Paperback
Book as advertised
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Reviewed in the United States on March 7, 2026

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