A-Premium B03 Complete Turbocharger Kit — X5/X6 3.0L (2011-2014)
by A-Premium
Key Features
- Direct OE-replacement B03 turbo assembly for N55-powered xDrive35i models
- Alloy construction engineered to factory specifications for reliable boost restoration
- Gaskets included — no separate hardware sourcing required for installation
- Fits 2011–2014 BMW X5/X6 xDrive35i AWD with 8-speed automatic transmission only
- Cross-references 7+ OE part numbers including 11652470367 and 11657636423
- Backed by a one-year unlimited-mileage guarantee from A-Premium
Product Details
- Brand
- A-Premium
- Part #
- APTBC166
- Category
- Turbo Upgrade Kits
- ASIN
- B0CXXCHGK6
Check if it fits your BMW
A-Premium B03 Complete Turbocharger Kit — X5/X6 3.0L (2011-2014) — Overview
When your X5 or X6 starts losing boost, hesitating under load, or throwing turbo-related fault codes, the culprit is often a worn-out B03 turbocharger — and a dealer replacement will cost you. A-Premium's complete B03 turbocharger assembly is engineered as a direct OE-replacement for the N55 inline-six found in the 2011–2014 BMW X5 xDrive35i and X6 xDrive35i, restoring the crisp throttle response and sustained boost pressure these trucks were built to deliver.
Constructed from alloy and built to mirror factory specifications, this turbo assembly drops in without modification or custom fabrication. Fitment is precise — it's designed exclusively for AWD models equipped with the 8-speed automatic transmission, so double-check your build before ordering. The kit cross-references over seven OE part numbers, including 11652470367, 11657583904, and 11657636423, giving you confidence that compatibility has been thoroughly vetted against BMW's own specifications.
Installation is made more straightforward by the included gaskets, eliminating the need for a separate hardware run before you get started. Whether you're a DIY enthusiast tackling this in your own garage or a shop looking for a reliable core to turn around a customer vehicle quickly, everything critical ships in the box.
A-Premium stands behind this turbocharger with a one-year unlimited-mileage guarantee — meaningful coverage on a high-stress, high-value component. For X5 and X6 owners who want factory-level performance restored without the dealership price tag, this kit is a focused, no-nonsense solution.
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