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034Motorsport Catch Can Kit - Audi B9/B9.5 S4/S5/RS4/RS5 EA839

SKU: 034-101-1016

Select Fitment: B9/B9.5 S4/S5
Sale price$729.00

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Product Information

Upgrade your failure-prone PCV breather hose with the high-performance, 034Motorsport Catch Can Kit, engineered for enhanced durability to capture crankcase oil deposits before entering your intake tract.

The PCV, or Positive Crankcase Ventilation system, on the EA839 is located on bank 2 of the engine (The right side of the engine). It is designed to ventilate the engine's positive crankcase pressure through a breather hose into the intake tract or charge air system. The 034Motorsport Catch Can was engineered to improve upon the factory PCV system, implementing a baffled Billet Aluminum Catch Can to trap crankcase oil deposits before entering your intake tract. The Catch Can Kit utilizes a re-engineered breather hose that plays an integral role in this ventilation system.

How Does the PCV System Operate? The Positive Crankcase Ventilation System, or PCV for short, works to remove excess pressure from the crankcase system and relies on vacuum from the engine’s intake system to operate properly. This system operates with two components, an Air Oil Separator and a Breather Hose.

In the EA839, crankcase pressure is generated by the engine rotating assembly moving under normal operation, and can contain oil in the form of liquid & vapor, water vapor from condensation, and blow-by gases. The Air Oil Separator acts as a collection chamber for this crankcase pressure and oil, separating some, but not all of the oil and water vapor, allowing the oil to drain back into the engine oil pan. The crankcase pressure not caught in this chamber is evacuated through the breather hose to be ingested by the engine.

At idle or cruising while not in boost, the engine’s charge air system operates under vacuum, drawing air in continuously. During this state, the breather hose utilizes this vacuum to release crankcase pressure into the charge air system through the connection just after the throttle body.

However, when the vehicle is under boost (during acceleration), this connection becomes pressurized, meaning it can no longer provide a vacuum source for crankcase ventilation. When this happens, a check valve in the breather hose closes off this connection, preventing boost pressure from entering the crankcase. At this point, the breather hose is able to draw vacuum from the turbo inlet connection, as this creates vacuum through a siphoning effect as the turbocharger draws air in through the intake.

Whether you are sitting at a stoplight or romping on a backroad, a properly operating PCV system is crucial for maintaining the engine’s performance and preventing harmful pressure buildup.

Features:

  • Direct Replacement of the Failure Prone OE PCV Hose
  • Ensures High Flow Crankcase Ventilation to Prevent Crankcase Pressurization
  • Unlike Other Kits, Our Solution is the Only One on the Market That Can Hold The Pressures and Flow Enough to Ensure Proper PCV and Turbocharger System Performance
  • Supports Boost Pressures to 40+ PSI
  • Compatible with OEM and Upgraded Turbocharger Inlets
  • Eliminates Potential Boost Leak at OE Plastic Check Valve Housing
  • CNC-Machined, Billet Aluminum Check Valve Body (Black Anodized), with a Heat and Chemical Resistant, Durable Rubber Diaphragm
  • Large Diameter, 4-Ply, Reinforced, Silicone Hoses
    • OE hose diameter: ~16mm
    • 034 hose diameter: 22.5mm
  • Prevents Crankcase Oil Deposits in Intake Manifold and on Intake Valves
  • Reduces Carbon Buildup
  • Integrated Dipstick for Easy Level Checks
  • Retains Factory Engine Cover
  • Service-Free Use with Included Catch Can Oil Drain!
  • Simple Bolt-In Installation

What's Included:

  • 034Motorsport Valve Cover Breather Fittings (Black Anodized)
  • 034Motorsport Catch Can Assembly (Black Anodized)
  • 2x) 034Motorsport Breather Check Valves
  • 1x) 034Motorsport Reinforced Silicone Hose
  • Catch Can Oil Drain Kit
  • No-Drill Mounting Bracket
  • Installation Hardware

Part Number Interface:

  • 06M 129 041 (3.0T)
  • 06M 129 041 F (2.9T)

NOTE: Product images shown may not be an exact representation of the actual product.

Model   + Drivetrain  
B9 RS4 2.9T V6
B9 RS5 2.9T V6
B9 S4 3.0T V6
B9 S5 3.0T V6

Return and Exchange Policy

The Return & Exchange Policy below outlines our current terms. While we try to adhere strictly to the guidelines detailed below, there are always exceptions to the rules, please speak to a BMP Tuning Customer Support Representative for clarification on anything you might have questions about - contact us.


Order Cancellations

Order Cancellation Hours of Operation

  • All order cancellations are processed during regular business hours only. Any order cancellation requests made outside of normal business hours will be processed during the next business day.

Order Cancellation Fees

  • Any cancelled orders including orders that have not shipped will be subject to a 5% cancellation fee to offset order processing fees that are not refunded to BMP Tuning by financial institutions and fee is waived completely if store credit is requested.
  • Cancellation fee applies to any order regardless of stock status, please contact BMP Tuning if there are any questions regarding stock status before placing an order.
  • If an order has already been processed or shipped and BMP Tuning is unable to cancel the order, the customer will be responsible for returning the item to us once received. Once the return is received it will be processed like any other return and be subject to the "Return and Exchange Policy" listed below.  
  • Certain products sold cannot be cancelled after the order has been placed due to agreements with the manufacturer, or in the case of made to order/custom items. This may be noted in the product description, but feel free to contact us to make sure before ordering.
  • Any order placed via Katapult are non-refundable; refunds, if required, will be issued via store credit only.

Return & Exchange Policy

Domestic Orders

  • BMP Tuning will accept returns for unused products within 1 year/365 Days from the date of purchase.
  • Returned products must be new, unused, and must be in the original packaging, including labeling, manuals, hardware, etc.  Special order items are non-refundable.
  • Returns will NOT be processed for any received products without the proper RMA Form completed and included with the return, customer will also be responsible for return shipping to their original shipping address.
  • Returns beyond 60 days of original purchase once processed can only be refunded as BMP Tuning store credit.
  • In the case of an exchange, BMP Tuning will waive normal restocking fees and only collect for original shipping of the returned product unless otherwise stated by a BMP Tuning Customer Service Representative when requesting your RMA number.
  • Once store credit has been issued for a return, it is final and cannot be reversed or exchanged for a refund to your original payment method at a later time. Please ensure you are comfortable with receiving store credit before completing your return.
  • Contact us within 7 days of delivery if an item has arrived damaged or incorrectly so that we can rectify the situation with the responsible party. Any notifications past 7 days from delivery could cause issues with replacement and BMP Tuning is not liable for any mis-shipments or damaged items if notified past the 7th day.
  • Once delivered to shipping address provided, packages are customer’s responsibility—consider requesting a signature upon delivery or insuring your order with Route.

International Orders

  • New, unopened products can be returned within 60 days of purchase.
  • Opened/used products and Scratch & Dent parts cannot be returned.
  • Contact us within 7 days if your item is damaged upon receipt.
  • Once delivered, packages are customer’s responsibility—signature confirmation is available upon request.
  • Any international orders that are refused at the time of delivery will be subject to carrier abandonment of the package, at which time the ordered products would be discarded by the carrier. The customer will not be refunded for the value of the order and the discarded products are no longer retrievable.

Return Fees & Shipping:

  • Customer is responsible for a 20% restocking fee, original shipping, and return shipping. 
  • In instances where the customer received FREE shipping, the shipping amount that BMP Tuning paid on behalf of the customer will be deducted from the total refund.
  • BMP Tuning's restocking fee is waived in the instance customer requests store credit as long as the item is being returned to BMP Tuning and not the manufacture directly.
  • Any orders that are returned to BMP Tuning as refused by receiver or non-deliverable will be subject to a return handling fee and will be processed as a return in compliance with our "Return and Exchange Policy", including a 20% restocking fee.
  • Any returns that are denied for any reason will be sent back to the customer at the customers expense. Any denied return left with BMP Tuning longer than 30 days is considered forfeited by the customer and will be disposed of by BMP Tuning at BMP Tuning's discretion.
  • Any order placed via Katapult are non-refundable; refunds, if required, will be issued via store credit only.

Route Shipping Protection - Refunds & Cancellations

  • Route shipping protection is an insurance purchased for your shipment. Because of this, any protection on items that have already been shipped cannot be refunded.
  • If your order is cancelled PRIOR to the items shipping, then the Route purchase can be refunded with the cancelled item(s). Once the order has shipped, we cannot refund the Route shipping protection.

Tariffs & Duties – No Refund Upon Return

  • BMP Tuning is not responsible for any tariffs, duties, or import fees charged by customs authorities or shipping carriers.
  • If you return an item, any tariff or duty you paid at delivery will not be refunded by BMP Tuning, as those are non-refundable government charges.
  • Refunds for returned items will be limited to the cost of the product (minus applicable fees), not including any tariffs or duties originally paid.
Additional Notes
  • Please ensure you understand your country’s import fee obligations prior to ordering.
  • If you have questions about potential tariffs, duties, or returns, contact us before placing your order—we’re happy to assist.
  • All existing policy conditions (restocking fees, RMA requirement, return shipping responsibilities) still apply as stated in the original policy.


Product Return Exemptions

Tuning Software And Cables

BMP Tuning will NOT accept returns for any tuning software or tuning cables. This includes, but is not limited to:

  • ECU Tunes
  • TCU Tunes
  • Tuning Cables such as IE POWERlink V4 Flash Cable, APR Ultralink, Unitronic UniCONNECT+ Cable, 034Motorsport Dynamic+ Tuning Cable
  • Plug and Play Tuners such as Burger Motorsports JB4, COBB AccessPort
  • OBDEleven Pro

Scratch & Dent, Open Box, and Clearance Items

There are absolutely no returns on any product sold as "Scratch & Dent", "Open Box", or "Clearance." 


Pricing Or Photo Errors

  • While we always try to provide the most accurate product and pricing information, we are humans and can make mistakes. If we listed an incorrect price or information for any product on our site, BMP Tuning reserves the right to refuse or cancel any orders placed. PRICING AND AVAILABILITY ARE SUBJECT TO CHANGE WITHOUT NOTICE.
  • We try to ensure that all products are represented properly in description and photo. However, due to photos provided from manufacturers, sometimes a photo might be outdated or a generic photo for the part may be used for the item. If you have any questions about any product, please contact us before placing your order.

 


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