Increase of +120 Horsepower, and +87 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Designed for High RPM and Racing, Direct Replacement for M156 and standard M159 Valve Buckets
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For vehicles that already have stage 1 supercharger, and want to upgrade to stage 2. Requires High-Flow Exhaust System.
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+186 HP & + 117 TQ on Stock Vehicle Application, Makes 637 Horsepower (WHP), and 560 Torque (ft-lb)!
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For vehicles that already have stage 1 or 2 supercharger, and want to upgrade to stage 3. 3.0L Twin Screw Compressor Upgrade
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+221 HP & + 219 TQ, For Vehicles with High-Flow Exhausts. Makes 672 Horsepower (WHP), and 662 Torque (ft-lb)!
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Replacement Belt for Stage 3, M156 Supercharger System, ABC Suspension Equipped Vehicles
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+289 HP & + 187 TQ, For Vehicles With High-Flow Exhaust, Colder Spark Plugs, ROW Airbox Set, and Secondary Air Injection Delete. Makes 740+ Horsepower (WHP), and 630 Torque (ft-lb)!
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Makes 30+ WHP gains using the ProFlex Commander and E85! For Stock Injectors.
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Start Making More Power & Running Cooler With E85, True plug and play flex-fuel no tuning required
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Does not include valve cover gaskets, or spark plug hole seals.
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Brand:
ES#:
4768254
Mfg#:
225416843
In Stock at Vendor
$621.99
This product was last offered at the strikethrough price on 05-07-2026
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
