Xona XRC5357S turbocharger for BMW B48 / B46
XONA ROTOR · BALL-BEARING TURBO

Xona XRC5357S — B48

$2,473.20

The Xona XRC5357S is a ball-bearing turbocharger built around the XR57S UHF (Ultra High Flow) splitter-blade turbine wheel — a design Xona rates at 62 lb/min with a published range of 300–620HP. Compressor inducer: 53mm / exducer: 73mm. The XR57S UHF aero reduces rotating inertia by more than 30% versus conventional wheels, delivering spool response that larger-frame turbos at this flow level cannot match. Configured here for the BMW B48 as a single-turbo installation.

Turbine housing — including Material, Flange, and A/R — is selected using the guided cascade above. Compressor cover (X2C or X3C) and SwainTech coating are also selected above. Every explanation block updates as you make each selection so you can see what your configuration means before you add to cart.

SwainTech White Lightning thermal barrier coating is available on the turbine housing (hot side), compressor housing (cold side), or both — add it via the Coating option. Ordered the BYO Core option? We will contact you after purchase with instructions for sending in your housing. Approximately three-week build turnaround from receipt of your core.

Material

Ships from Boca Raton, FL.

WHY WE SHIP XONA ROTOR
We carry Xona Rotor for builds where the power target has outgrown what OEM or direct-replacement turbos can support. Their specs are published in engineering terms — inducer diameter, rated lb/min airflow, turbine outlet size, housing A/R — and the model names encode those specs directly, so there is no guessing what you are ordering. These are not bolt-on upgrades: all BMW applications require custom intake manifold and downpipe adaptation, and housing configuration is chosen per build. We specify that configuration when you contact us.