M3 and M4 Crank Hub Blog

Lang Racing now offers sale and installation of the recently released Maximum PSI Keyed Crank Hub Kit. This crank hub kit is specifically designed for BMW S55, N55, and N54 Engines. Maximum PSI states their “… keyed solution eliminates the friction washer design that BMW used to affix the crank hub, timing gear, and oil…

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The E46 M3 had a couple major issues, one of the lesser ones is the SMG gearbox. The hydraulic pump often fails resulting in a costly repair. If this happens to a car you own it often make sense to convert the car to a manual rather than fix the SMG unit. Manual E46 M3’s…

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We have finally released our plumbing kit based around the Stewart Electric Water Pump. Not shown in the photos below is the modification to the large aluminum water pipe to weld off the tube that previously went to the thermostat. We also weld on a small AN fitting on the steel water pipe that bolts…

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