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SPEEDTECH N54 NO TURBO OPEN DUMP WASTEGATE TOP MOUNT KIT

SPEEDTECH N54 NO TURBO OPEN DUMP WASTEGATE TOP MOUNT KIT

Regular price $2,400.00 USD
Regular price Sale price $2,400.00 USD
Sale Sold out

 2007-2010 135i/335i (RWD/MT)
 2007-2010 135i/335i (RWD/AT)
 2007-2010 335xi (AWD/MT)
 2007-2010 335xi (AWD/AT)
 2010-2013 335is (RWD/DCT)


 2.5" (Inside Diameter) silicone coupler
 3" (Inside Diameter) silicone coupler
 *My Intercooler uses the stock c-clip connection* Note: you'll receive a 2.5" silicone coupler and you will need to purchase our E-Chassis Billet Intercooler Adapter, sold separately

Build your perfect turbo setup with our premium Bottom Mount No Turbo Kit — designed for enthusiasts sourcing their own turbochargers.


What’s Included in the Kit:

  • T4 Turbo Manifold with Studs and Nuts
    Choose between Ceramic or Non-Ceramic coating options for enhanced durability and heat management.

  • 2-Piece Stainless Steel Tubing
    Pre-formed for optimal fitment and heat resistance.
    (If fabricating your own tubing, contact us for a discount code to remove this from your order.)

  • Stainless Steel Open Dump Wastegate Pipe
    Designed for maximum flow and aggressive sound.

  • V-Band Clamps
    High-quality clamps for easy installation and leak-proof seals.

  • Billet CNC Aluminum Oil & Coolant Plugs, Coolant Fittings, and O-Rings
    Precision-machined for durability and perfect sealing.

  • Stainless Braided Hoses with AN Fittings:

    • -4AN Oil Feed Hose

    • -10AN Oil Drain Hose

    • Turbo Drain Fitting (-10AN Stainless Steel)

    • Engine Block Fitting (-10AN Stainless Steel)

  • Aluminum Charge Pipe
    Lightweight and designed to handle high boost pressures.

  • Silicone Couplers
    Heat-resistant and flexible for smooth airflow connections.

  • Coolant Expansion Tank Relocation Kit
    Allows for optimal space management in your engine bay.

  • Wastegate Options (Optional):
    Choose to purchase the kit with or without a wastegate. Options include:

    • Turbosmart Hypergate

    • Turbosmart Hypergate Sleeper Lite (includes all wastegate springs)

    • TiAL MVR

    • PSR 45mm


Lead Time:

Typically ships within 3 to 4 weeks.


⚠️ Important Turbo Compatibility Notes:

BorgWarner SXE Turbos:

  • S3XX models have larger compressor housings, reducing hood clearance to approximately 3mm.

  • Motor mount isolator thickness, age, and variability may affect fitment, so installation can be tight.

  • Turbine housing must have a 3" V-band outlet (NOT standard Marmon flange).

  • The V-band mating face should align roughly with the rear surface of the T4 flange to avoid tubing misalignment or interference with the valve cover.

Garrett Turbos:

  • GTW and G-Series turbos have distinct oil feed and drain fittings; they are not interchangeable.

  • Kits for GTX Gen2 turbos are discontinued due to their unique oil drain requirements as of 2023.

General Turbo Fitment Requirements:

  • Turbine housing: T4 inlet and 3" V-band outlet

  • Compressor housing: 2" or 2.5" outlet

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