For BMW N54 135i 335i T4 Divided Top Mount Turbo Manifold 44mm Wastegate 3mm
Upgrade your BMW N54 single-turbo build with this divided T4 top-mount exhaust manifold. Constructed from 304 stainless steel with 3mm thick runners, this manifold features a 44mm V-band external wastegate connection and reinforced welded construction.
Designed for custom single-turbo conversions, the top-mount layout accommodates a compatible T4 turbocharger in place of the factory twin-turbo arrangement.
Features & Specifications
* Engine application: BMW N54 3.0L inline-six
* Configuration: Top-mount single-turbo manifold
* Material: 304 stainless steel
* Turbo flange: Divided T4
* Wastegate connection: 44mm V-band external wastegate
* Runner wall thickness: 3mm
* Runner outside diameter: 42mm
* Flange thickness: 14mm
* Construction: TIG-welded tubular runners with reinforced stress areas
* Flanges: Precision laser-cut
* Finish: Brushed stainless steel
Vehicle Application
For the following vehicles equipped with the BMW N54 engine:
* BMW 135i — E82 / E88
* BMW 335i — E90 / E91 / E92 / E93
Fitment is engine and setup dependent. Verify your engine, chassis clearance, and turbocharger dimensions before ordering.
Package Includes
* 1 × BMW N54 divided T4 top-mount turbo manifold
* 1 × Divided T4 turbo flange gasket
* Mounting hardware shown in the photos
Installation Information
This manifold is intended for a custom single-turbo conversion. A compatible turbocharger, external wastegate, downpipe, charge piping, and other supporting components are required and are not included.
Confirm that your turbocharger and wastegate use compatible mounting flanges. Additional fabrication or adjustments may be necessary depending on the vehicle and turbo setup.
Professional installation is recommended.
