Turner Motosport A/N Catch Can System - E46 M3

Product Details

The Turner Motorsport A/N catch can kit is the ultimate in blowby protection. This kit features a Turner catch can, perfect length A/N lines, and billet PCV adapters for seamless installation. Not only will this system protect your S54 from blowby, but it also looks excellent in the engine bay of your E46 M3. Please select your model as the A/N lines are different depending on the year of your vehicle.

Modern day emissions regulations require the use of a closed crankcase ventilation (PCV) system to recirculate combustion blow-by gases from the crankcase back in to the intake to be burned.  Unfortunately, these blow by gases contain water vapor (which is a byproduct of combustion) and pick up oil mist from and the windage cloud and cam lubrication system as they travel through the crank case.  Due to less than 100% effective air/oil separation in the stock PCV system, some oil mist and water vapor gets carried back to the intake tract and over time cause oil deposits in the intake manifold, intake ports, and on the back of intake valves.  All will eventually lead to poor performance and reduced fuel economy, and the presence of this oil mist in the intake charge may even increase the risk of engine-damaging detonation. 

With forced induction, track use, and/or extended high RPM usage, these symptoms increase as the factory PCV system is overwhelmed, and a catch can becomes a must for your E46 M3. This kit is a direct fit making this an easy reversal if desired as well as maintaining a clean appearance by utilizing the open "smuggler's compartment" on the passenger side of the engine bay.

*Click here for installation instructions*

Kit Includes:

• A/N Lines
• Billet PCV System Adapters
• Turner catch can 
• Turner catch can drain system
• E46 M3 specific bracket

Key Features:

• PCV System adapters
  • Billet CNC 6061-T6 aluminum
  • 10AN with OEM metal securing clip for a clean, leak-free installation
• A/N Lines
  • Perfect length braided lines
  • 10AN black anodized swivel fittings preinstalled on each hose
  • Oil and fuel resistant to chemical degradation
• Highly Efficiency Oil Separator
  • Strategically positioned 4 chamber baffle system maximizes oil / air separation 
  • Engineered to create multiple changes in the direction of airflow within the separator to cause oil droplets to fall out of suspension before exiting the catch can
  • Closed / recirculated design reduces oil ingestion and promotes cleaner emissions and odor-less operation
  • 6061-T6 billet machined body, anodized black for lasting protection and appearance
• E46 M3 specific bracket
  • ​Designed to fit perfectly in your engine bay
• Integrated Dipstick
  • Knurled and black anodized oil dipstick makes inspecting oil volume of reservoir clean and simple
  • Sealed with a pre-installed viton O-Ring 
  • 6061-T6 billet machined body, anodized black for lasting protection and appearance
  • Optional use valved drain hole
• Serviceable
  • Includes 2.5mm allen key to remove baffle plates for cleaning
  • Includes catch can drain kit, allowing you to easily drain your catch can when necessary.

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.

Prop 65 Warning

Product Q&A

Lifetime Replacement