SPEEDTECH N55 E-CHASSIS BORGWARNER S366 SX-E BOTTOM MOUNT KIT

Looking to make big power with your N55 E-Series BMW? The BorgWarner S366 SX-E Top Mount Kit is engineered for serious horsepower builds. Designed for maximum flow, durability, and efficiency, this kit is a perfect fit for those chasing 700+ whp with the proven reliability of a BorgWarner SX-E turbo.

⚠️ FITMENT NOTICE:

This kit is designed exclusively for N55 E-Chassis BMWs
(e.g., E82 135i, E90/E92 335i).
Not compatible with N54 or F-Chassis vehicles.

✅ KIT INCLUDES:

• BorgWarner S366 SX-E Turbocharger

• T4 Top-Mount Manifold with hardware
  (Choose Ceramic-Coated or Raw Steel)

• Stainless Steel Tubing

• Wastegate Pipe – Recirculating or Open Dump Option

• Right-Hand Engine Mount Bracket

• Coolant Block Manifold

• Silicone Coolant Hose

• Billet CNC Oil Fittings (Engine Side)

• Stainless Braided -4AN Oil Feed Line

• Billet CNC Coolant Fittings (Engine Side)

• Silicone Turbo Inlet

• Silicone Turbo Outlet

• High-Flow Air Filter

• Wastegate Options:

  • Turbosmart Hypergate

  • PSR 45mm

  • TiAL MVR

  • Option to purchase kit without wastegate

⏱ LEAD TIME:

Standard lead time for BorgWarner kits is approximately 4 weeks.