Skip to product information
1 of 2

My Store

SPEEDTECH N54 GARRETT GTW3684R TOP MOUNT KIT

SPEEDTECH N54 GARRETT GTW3684R TOP MOUNT KIT

Regular price $3,949.99 USD
Regular price Sale price $3,949.99 USD
Sale Sold out

Garrett GTW3684R (GTW6262R Ball Bearing) Turbo Kit for BMW N54 – Complete Bottom-Mount Performance Solution

Take your BMW N54 to the next level with the Garrett GTW3684R (GTW6262R Ball Bearing) Turbo Kit – engineered for enthusiasts demanding fast spool, high horsepower potential, and OEM+ fitment. Designed as a complete bottom-mount solution, this kit is built for power, durability, and precision.


Included in the Kit:

  • Garrett GTW3684R (GTW6262R) Ball Bearing Turbocharger
    High-performance dual ball bearing design for fast spool, increased boost response, and superior reliability under load.

  • T4 Turbo Manifold
    Your choice of ceramic-coated or non-coated. Includes heavy-duty studs and nuts for secure mounting.

  • 2-Piece Stainless Steel Tubing
    Premium TIG-welded stainless construction for durability and optimal flow.
    (Custom fabricating? Email us to remove this from your order and receive a discount code.)

  • Stainless Steel Wastegate Pipe
    Configurable as Recirculating (quieter, emissions-friendly) or Open Dump (maximum sound and venting performance).

  • V-Band Clamps
    For leak-free, high-pressure turbo connections and easy serviceability.

  • Billet CNC Aluminum Oil & Coolant Plugs, O-Rings, and Fittings
    Precision-machined components ensure leak-free operation and a perfect fit.

  • Stainless Braided -4AN Oil Feed Line with AN Fittings
    Delivers consistent oil supply under extreme temperature and pressure.

  • Stainless Braided -10AN Oil Drain Line & Fittings
    Includes turbo drain and engine block adapter for clean and efficient return flow.

  • Stainless Braided -4AN Coolant Feed Line (To/From Turbo)
    High-quality lines and AN fittings for reliable thermal management.

  • Aluminum Charge Pipe
    Lightweight, durable pipe for improved throttle response and airflow.

  • Reinforced Silicone Couplers
    Designed to withstand high boost pressure without failure.

  • Coolant Expansion Tank Relocation Kit
    Essential for proper fitment and clearance of turbo system components.


💨 Wastegate Options (Select One):

Choose the wastegate that best fits your goals and sound preference:

  • Turbosmart Hypergate

  • Turbosmart Hypergate Sleeper Lite (Includes all springs; quiet, sleeper-style design)

  • TiAL MVR

  • PSR 45mm

  • Option to omit wastegate if you already have one


⏱️ Production Lead Time:

  • Estimated: 4 to 6 weeks from order date

  • Made-to-order to ensure quality control and system compatibility


📦 Shipping Information:

  • U.S. Domestic Orders (Non-Forwarding):
    Turbo will ship directly from Garrett and may arrive separately from the rest of the kit.

  • International or Freight Forwarding Orders:
    The complete kit will ship in a single consolidated box.

View full details