S55 Stage 3 Cylinder Head - Blog Cover

S55 Stage 3 Cylinder Head

It’s pretty rare that we find an area on a BMW Motorsport engine that we can really improve on, so when we find something that can really benefit from modification we get pretty excited! Our Stage 3 S55 cylinder head is one of those areas. BMW does a great job on its naturally aspirated cylinder…

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M3 and M4 Crank Hub Blog

S55 – N55 – N54 Crank Hub Fix for the M3 and M4

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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E46 M3 SMG to Manual Conversion

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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S14 Electric Water Pump Plumbing Kit Now Available

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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