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Description

MMX Billet Oil Catch Can Kit for F2x / F3x BMW M135i, M235i, 335i, 435i, and M2 (N55 Engine)

BMW N55 oil catch can kit from MMX Performance is a complete PCV oil separation system for F2x and F3x N55-powered BMW models M135i, M235i, 335i, 435i, and M2, designed to prevent oil vapor and moisture from recirculating through the intake system. On direct-injection engines like the N55, the PCV system routes blow-by gases and oil mist back into the intake manifold; without a catch can, this oil vapor coats the intercooler walls and intake valves in a layer of carbon-laden sludge that restricts airflow, reduces combustion efficiency, and is expensive to remove once established. The MMX oil catch can intercept that flow, trapping the oil mist in a high-gloss black anodized T-6061 billet aluminum housing before it can reach the intercooler and valves. The system mounts securely to the inner wing via a precision-machined billet bracket for a factory-style installation, with motorsport-spec PTFE-lined hoses, crimped race fittings, and a billet reproduction of the OEM cam cover connector for a direct, leak-free fit. An integrated dipstick allows quick oil level checking without removing the can. Developed, tested, and validated by MMX on road and track.

Features

Prevents oil vapor and moisture from recirculating through the PCV system to the intercooler and intake valves
Reduces carbon buildup on intake valves, the primary long-term risk on direct-injection N55 engines
High-gloss black anodized T-6061 billet aluminum catch can housing
Precision-machined billet mounting bracket for inner wing fitment
Motorsport-spec PTFE-lined hoses with crimped race fittings throughout
Billet aluminum reproduction of the OEM cam cover connector for direct fitment
Integrated dipstick for quick and easy oil level monitoring
All hardware included for a straightforward installation
Road and track tested by MMX

Applications

BMW 335i: F30, F31, F34 | 2012-2015
BMW 435i: F32, F33, F36 | 2013-2016
BMW M135i: F20, F21 | 2012-2016
BMW M2: F87 | 2016-2018
BMW M235i: F22, F23 | 2014-2016

Notes

Compatible with N55 engines only
Sold as a complete kit with all hardware included

Frequently Asked Questions

Why does the BMW N55 need an oil catch can? The N55 is a direct-injection engine, which means fuel is injected directly into the cylinders rather than through the intake ports. The PCV system still routes blow-by gases and oil mist back through the intake manifold, but because there is no fuel washing the intake valves clean on each intake stroke, oil and carbon deposits accumulate on the valve faces over time. A BMW N55 oil catch can intercepts this flow before it reaches the intake, preventing that buildup and preserving long-term engine efficiency.
What does the MMX BMW N55 oil catch can kit include? The MMX kit is a complete system billet aluminum catch can housing, precision-machined billet mounting bracket, motorsport-spec PTFE-lined hoses with crimped race fittings, a billet reproduction of the OEM cam cover connector, and all installation hardware. Everything required for a direct, leak-free installation is supplied in the kit.
How often does the BMW N55 oil catch can need emptying? The integrated dipstick allows you to check the oil level without removing the can. Emptying frequency depends on driving conditions track use and high-load driving produce more blow-by than typical road driving. Check the level at each oil change and drain when it reaches the maximum mark. Most road-driven N55 cars accumulate 50-100ml per service interval.
Is the BMW N55 oil catch can suitable for a tuned or modified engine? Yes. The MMX N55 oil catch can is equally effective on stock and tuned engines. Modified N55 engines running higher boost produce more blow-by and benefit even more from an oil catch can, as the increased crankcase pressure accelerates the rate of oil mist entering the PCV circuit.
How difficult is installation? Level-2 install difficulty. The kit mounts to the inner wing using the supplied billet bracket and connects to the PCV circuit using the supplied hoses and cam cover connector. All hardware is included and no cutting or permanent modifications are required.

About MMX Performance

MMX Performance is a UK-based specialist in performance parts for BMW and MINI vehicles, crafting high-quality upgrades that blend precision engineering, rigorous testing, and motorsport heritage. Driven by enthusiast culture, MMX designs its products in the UK and puts them through track validation to ensure durability, fitment accuracy, and on-road performance. Their catalog spans drivetrain components, spacers, hardware, and chassis enhancements, all tailored to elevate both the driving experience and visual appeal of BMW and MINI models.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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MMX Billet Oil Catch Can Kit for F2x / F3x BMW 1 Series, 2 Series, 3 Series, and 4 Series (with N55 engine) [MMR17-0501FK]

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MMX Billet Oil Catch Can Kit for F2x / F3x BMW M135i, M235i, 335i, 435i, and M2 (N55 Engine)

Features

Applications

Notes

Frequently Asked Questions

About MMX Performance

Reviews