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The CTS Turbo Stage 2 is a pair of brand-new N54 turbochargers with larger billet compressor and high-flow turbine wheels, built for daily-driven power rather than a peak top-end number. CTS rates the setup at 550-600 hp with strong low-end torque and boost response, helped by flow-optimized exhaust housings that need less boost to hit those goals than a stock-frame turbo. It bolts onto E90/E91/E92/E93 335i, 335xi and 335is cars, but needs aftermarket 2-inch inlet piping and does not fit right-hand-drive vehicles. It suits N54 owners chasing a big, reliable step up without a core exchange; anyone wanting more top end should look at a hybrid option instead.
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Lowest price we've seen: $1,424.99 on Nov 13 at TopGearSolutions.com. Tracked across 1 store since Nov 13.
The CTS Turbo Stage 2 Turbo Upgrade is a standard-size turbocharger kit for the BMW N54 engine. It is built for daily-driven power and torque rather than a top-end peak number. The turbos are brand-new, complete units, so no core is required.
Larger compressor and turbine wheels are good for 550-600 hp with supporting mods, with good low-end torque and boost response. Flow-optimized exhaust housings and high-efficiency compressor wheels mean less boost is needed to reach those power goals than with a stock-frame turbo.
This is a bolt-on upgrade for the BMW 335i, 335xi and 335is with the N54 engine (E90/E91/E92/E93). It will not fit right-hand-drive vehicles. The turbo inlets are 2" and need aftermarket 2" inlet piping, which is not included. Tuning for Stage 2 turbos is required, and an aftermarket charge pipe with a blow-off valve is strongly recommended.