Bario TD03L4 Twin Turbo Replacement Set — N54 135i/335i/535i
by Bario
Key Features
- Complete matched pair of TD03L4 turbos — both units included for balanced twin-scroll performance.
- Direct OEM-spec fitment for N54B30 135i, 335i, 335xi, and 535i across E90/E91/E92/E93 chassis.
- Bolt-on installation using factory hardware — no custom fabrication or modifications required.
- Cross-referenced against 30+ BMW and Mitsubishi OEM part numbers for verified compatibility.
- Rated for 225kW N54B30 applications covering model years 2006 through 2010.
- 12-month manufacturer warranty covering defects — replacement unit provided on qualifying claims.
Product Details
- Brand
- Bario
- Part #
- 11 65 7 649 290
- Category
- Turbo Upgrade Kits
- ASIN
- B0DC6F4VPT
Check if it fits your BMW
Bario TD03L4 Twin Turbo Replacement Set — N54 135i/335i/535i — Overview
The N54's twin-turbo setup is one of the most performance-critical systems on the engine, and when boost drops or shaft play develops, replacing both units as a matched set is the right call. The Bario TD03L4 Twin Turbo Replacement Set includes both the bank-one and bank-two turbos built to OEM specifications, ensuring they spool and perform in proper tandem rather than leaving you chasing a boost imbalance from mismatched units sourced separately.
Fitment covers the full N54B30 225kW lineup: 135i and 135is (2006–2010), 335i and 335xi across the E90, E91, E92, and E93 chassis (2006–2010), and the 535i and 535xi from 2009 onward. The set is cross-referenced against over thirty BMW OEM part numbers — including 11657649290, 11657583864, and 11654564710 — as well as the corresponding Mitsubishi turbo codes in the 49131-07xxx series, so confirming compatibility with your specific build is straightforward.
Installation is designed as a direct bolt-on using your existing factory hardware, coolant lines, oil feed and return connections, and charge pipe fittings. No custom fabrication is required, which keeps the job accessible for a competent home mechanic or shop familiar with the N54 platform. Having both units from the same production run also removes the variable of pairing one worn turbo with a fresh replacement.
Bario backs this set with a 12-month warranty against manufacturing defects. For N54 owners looking to restore factory boost levels without paying OEM dealer prices, this matched replacement set delivers a practical, well-documented solution for one of the engine's most common failure points.
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