Turbo not holding consistent boost? This may be the cause.
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A critical upgrade for drivers running a TiAL Q or QR Blow-Off Valve, particularly on N54-equipped vehicles.
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If your original reservoir has succumbed to years of engine heat, this Rein Automotive OE-quality replacement is built to restore that factory-fresh response.
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Specifically engineered for 335i/is owners looking to break the 700whp barrier while retaining the factory-style low-mount twin configuration.
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Located on the front turbocharger assembly.
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Brand:
ES#:
4745255
Mfg#:
11658634236
Ships in 1 Business Day
$14.99
This product was last offered at the strikethrough price on 12-20-2025
The Game Changer Lite - designed from the ground up with all new parts - supports up to 650 HP at the wheels!
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Moving beyond simple hybrid upgrades, this complete ground-up turbo system replaces the restrictive factory units with high-performance Garrett-based technology.
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The Game Changer Lite - designed from the ground up with all new parts - supports up to 650 HP at the wheels!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Whether you're repairing an existing turbo or adding one, ECS Tuning has turbos, turbo kits, and all the turbocharger hardware and valving you need to turn forced induction into added power.
Lifetime Replacement
