New Stuff
Compare the Porsche 992.1 GT3 and 718 GT4 RS with Valvetronic titanium exhausts, stock and final dyno results, sound impressions, and configuration differences.
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The F80 M3 Power-Per-Dollar Sweet Spot: 742 WHP on PURE 700 Turbos
Andrew’s 2018 F80 M3 reaches 742 WHP and 716 lb-ft with PURE 700 turbos, EU5 injectors, B58 coils, and an E48–E50 flex-fuel calibration.
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BMW F97 X3 M & F98 X4 M Exhaust Sound Comparison
Compare dAHLer, AWE SwitchPath, and Valvetronic exhaust sounds, configurations, and current pre-shipping prices for the BMW F97 X3 M and F98 X4 M.
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How This BMW G80 M3 Build Reached 1,218 Wheel Horsepower
See how this BMW G80 M3 build reached 1,218 wheel horsepower with a JDY single-turbo setup, upgraded fueling, cams, tuning, and testing at the drag strip.
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BMW G42 M240i 700+ HP Build: Parts, Process, and Dyno Results
See how a BMW G42 M240i B58 made 741 wheel horsepower with a PURE900 turbo, upgraded fueling, cooling, flex fuel, and a custom MOTIV tune on E74 fuel.
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The Complete First-Time BMW M Buyer’s Guide: What to Buy and Avoid in 2026
A complete, plain-English first BMW M buying guide with generation-specific 2026 prices, technical inspection risks, ownership budgets, seller questions, and model recommendations.
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FIXING the G90 M5's BIGGEST DESIGN FLAW: Kies Oil Cooler Skid Plate
Kies Engineering · G90 / G99 M5 Fixing the G90 M5's Biggest Design Flaw BMW built a 700-horsepower super sedan and then left the oil cooler hanging in the wind....
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