The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind.
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Brand:
ES#:
5425426
Mfg#:
050595LA03
Ships on Aug 14, 2026
ON SALE!
SAVE 30%
$499.99
This product was last offered at the strikethrough price on 05-02-2026
For Vehicles With Motiv ReFlex Unit Currently Installed
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Vehicles With Motiv ReFlex Unit Currently Installed Only
Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 10.5lbs!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi
Capable of 900+ WHP with supporting modifications - Includes refundable $1500 core charge.
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Increase your maximum boost range up to 43psi
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! Adapter harness required for installation, this is not a direct replacement sensor
Whether you're chasing lap times or peak dyno numbers, this upgrade provides the fuel system stability required for your S55 engine.
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Features a number of upgrades over the stock turbo design for maximum performance!
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Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
