SPEEDTECH N54 BORGWARNER S252 SX-E TOP MOUNT KIT

BorgWarner S252 SX-E N54 Top Mount Turbo Kit

Designed for serious street or track use, the BorgWarner S252 SX-E Top Mount Kit delivers exceptional performance, fast spool characteristics, and the reliability you'd expect from a premium single turbo setup. Whether you're chasing responsive power or building a robust platform for higher horsepower, this kit provides a complete, bolt-on solution for your N54-powered BMW.

✅ What’s Included:

• BorgWarner S252 SX-E Turbocharger
  T4 bolt pattern / T3 port sizes (can be ported to T4 per BorgWarner spec)

• T4 Turbo Manifold
  Choose between Ceramic Coated or Non-Ceramic options
  Includes studs and nuts

• 2-Piece Stainless Steel Tubing
  Precision-bent for durability and fitment
  (If fabricating your own tubing, contact us for a discount code to remove this item)

• Stainless Steel Wastegate Pipe
  Choose between Recirculated or Open Dump styles

• High-Temp V-Band Clamps
  For secure, leak-free connections

• Billet CNC Aluminum Oil & Coolant Plugs
  Includes high-temp O-rings

• Stainless Braided -4AN Oil Feed Line
  Includes premium AN fittings

• Stainless Braided -10AN Oil Drain Line
  With stainless turbo and engine-side fittings

• Aluminum Charge Pipe
  Lightweight and durable

• Silicone Couplers
  Heat and pressure resistant

• Coolant Expansion Tank Relocation Kit
  Allows for proper turbo clearance and OEM-style fitment

• Wastegate Options:

  • Turbosmart Hypergate 45mm

  • TiAL MVR 44mm

  • PSR 45mm

  • Or select “no wastegate” if supplying your own

🔧 Fitment Notes:

• Turbine housing uses T4 bolt pattern with T3 ports. May be ported to a true T4 per BorgWarner recommendations.

• U.S. orders shipping to a residential or business address (non-forwarding) will receive the turbo separately from the rest of the kit.

• All components ship together for international orders or U.S. customers using forwarding services.

• If using our down payment option, your entire kit (including turbo) will ship together in one box.

⏱ Estimated Lead Time:

4 to 6 weeks from order date. All kits are made to order.

🔩 Build with Confidence:

This top-mount turbo system is a proven performer for anyone looking to upgrade their N54 with a high-quality, race-tested setup. From custom tuning to hardware support, we’ve got your back.

Need help selecting the right wastegate or tuning partner? Reach out—we're happy to assist.