Walton Motorsport BMW N54 RHD Single-Turbo Manifold
Overview
Walton Motorsport BMW N54 RHD Single-Turbo Manifold is designed specifically around right-hand-drive N54 engine-bay and steering packaging. It replaces the factory twin-turbo arrangement with a single Garrett V-Band turbo system.
Key Features
- RHD-specific N54 manifold packaging.
- Designed for Garrett GTX35 / G-Series V-Band turbochargers up to approximately G35-1050 size.
- 50 mm external-wastegate port designed around the Turbosmart ProGate50.
- 304-grade stainless-steel construction.
- Port-matched runner construction with both-side TIG welding through the cylinder-head flange.
- Walton proprietary cast merge collector engineered for stable wastegate priority.
- Designed for use with OEM BMW head studs and gaskets.
- Manufactured in the United Kingdom.
- Walton Motorsport lifetime manifold warranty, subject to current manufacturer terms.
Supporting Conversion Components
Walton currently offers supporting ProGate50, 3.5-inch downpipe, screamer / wastegate dump pipe and V-Band exhaust hardware. Turbocharger and turbo-connection components are selected separately.
Vehicle Fitment
- BMW E82/E88 N54 — right-hand drive
- BMW E90/E91/E92/E93 N54 — right-hand drive
- BMW E89 Z4 N54 — right-hand drive
Walton also lists additional RHD N54 chassis including E60/E61, E71 and F01. Those applications are not automatically added to BBT vehicle routes where an exact current finder path is unavailable; contact BBT for fitment review.
Available Options
Turbo Inlet Flange
- Garrett V-Band (GTX35/G-Series)
Wastegate Port
- 50mm Port Size (Flange Fitted)
Lead Time
Built to order. Walton currently advises a typical manifold build time of approximately 2–4 weeks. Production timing is indicative and can change with supplier workload.
Installation & Calibration
Converting an N54 from factory twins to a single turbo is a substantial mechanical installation involving turbocharger, exhaust, wastegate, oil / coolant and engine-management systems. Professional installation and tuning are strongly recommended.
Supplier
Walton Motorsport
BBT Support
Built by Boost & Tune can assist with application confirmation, fabrication, installation and dyno calibration.