The Garrett POWERMAX™ Silver Intercooler Upgrade Kit is built for BMW M3 and M4 owners who demand more from their factory charge air cooler without sacrificing a clean, OEM-style installation. Engineered with advanced CFD analysis and bar-and-plate core technology, this direct fit performance intercooler is the choice for enthusiasts pushing their F80/F82/F83 platform harder while keeping intake temperatures under control. It’s the ideal upgrade for drivers who want measurable power gains backed by real dyno data, not just marketing claims.
Specifications
- Design: Air-to-water
- Construction: Bar-and-plate core
- End Tanks: Cast aluminum
- Coolant Flow: Dual pass
- Core Size Increase: 47% larger than stock
- Intake Temperature Reduction: Average of 10°F
- HP Capacity: Supports up to 980 HP
- Measured Gains: +12.4 horsepower and +4.9 lb-ft torque
- Dimensions: 7.2″ x 9.8″ x 3.6″ (183mm x 249mm x 92mm)
- Installation Time: 1.5 hours
- Garrett P/N: 888883-6001
Performance & Application
This POWERMAX™ intercooler is designed specifically for the 2015+ BMW M3 and M4 platform running the 3.0L twin-turbo engine. The larger core and CFD-optimized end tanks are built to lower intake manifold temperatures and raise the heat saturation point, allowing the engine to sustain higher power output for longer without heat soak robbing performance. Back to back dyno testing confirmed real horsepower and torque gains, making this a proven upgrade rather than a theoretical one. It’s best suited for owners looking to unlock additional performance from their turbocharged BMW while retaining a factory-style fitment.
Compatibility & Fitment
- 2015+ BMW M3 (F80)
- 2015+ BMW M4 (F82/F83)
- 3.0L twin-turbo engine
Frequently Asked Questions
- How much horsepower can this intercooler support?
- The Garrett POWERMAX™ intercooler for the BMW M3/M4 supports up to 980 HP.
- How much larger is this core compared to stock?
- The core is 47% larger than the stock intercooler core.
- What kind of performance gains can I expect?
- Back to back dyno pulls measured an average increase of 12.4 horsepower and 4.9 lb-ft of torque.
- Is this a direct fit installation?
- Yes, it installs in the stock location and reuses the stock bolts, hoses, and clamps, with an installation time of 1.5 hours.
For BMW M3/M4 owners serious about controlling heat and maximizing turbocharged performance, this Garrett POWERMAX™ intercooler delivers proven, dyno-verified gains in a factory-style bolt-in package.
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