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Project and Technical Write ups for BMW and Porsche.

E46 M3 with CSL Airbox and Flapper Run by AEM Infinity and Motec DHB

By Andrew Lang | Jan 27, 2015

We had a customer come to us with the idea of adding a CSL airbox to his car and having a functional OEM flapper box. This flap opens up during the middle of the RPM range on the european CSL to increase air flow only when needed. This reduces some intake noise at low rpm…

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2014 25 Hours of Thunderhill Recap

By Andrew Lang | Dec 31, 2014

Competing in the 25 Hours of Thunderhill race has been our major goal for all of 2014. We knew going in that we were going to be up against teams that were faster, more heavily funded, and had larger crews than we did. Midway through the year we decided we wanted to compete in ES rather…

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E46 Race Car Aerodynamics Setup Now Available

By Andrew Lang | Oct 28, 2014

We’ve developed a complete aerodynamics package for the E46 which is finally perfected and available for sale. Our package can be tailored to include all of or just individual parts of the following complete carbon fiber parts: One Piece Flat Underbody and Diffuser Splitter Rear Wing Contact Us for Pricing, all parts are custom made…

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Lang Racing Development Is Now an AEM Infinity Certified Tuner and Distributor

By Andrew Lang | Jun 3, 2014

We’re proud to announce our certification in tuning the AEM Infinity ECU particularly on the BMW S54 engine. When we first found this standalone solution for our race car and got it up and going we knew it would be a very powerful ECU for all kinds of race cars running not only this BMW…

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S14 Electric Water Pump Plumbing Kit Now Available

By Andrew Lang | May 14, 2014

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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S54 Rod Bearing and Bolt Replacement with ARP Fasteners

By Andrew Lang | Apr 11, 2014

While our S54 rod bearing widening solution is a great way to save engines that have already spun a bearing, we believe the S54 engine will run a long time on stock bearings if the proper maintenance is performed. Oil changes at low intervals along with replacing rod bearings pre-preemptively will lead to a long…

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E60 M5 and E90 E92 M3 Throttle Actuator Failure

By Andrew Lang | Feb 5, 2014

Recently we had a customer with an E60 M5 come to us with codes thrown for the electronic throttle on his car. Symptoms were the common car would start up from cold but once warm and shut off the car would not pass its own pre-start throttle check and go into limp mode. Rather than…

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E90 Electric Water Pump/Thermostat September Promo 900$

By Andrew Lang | Sep 14, 2013

In an effort to make sure our mechanics hands never stop bleeding we’ve decided to make the rest of September “E90 Water Pump/Thermostat Replacement Month”. We’re going to eat most of the cost on the water pump and do what is usually a 1200 dollar job for 900$. This includes parts, labor, and a 12…

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Addressing the S54 Rod Bearing Problem Lang Racing Development Crankshaft Modification Kit

By Andrew Lang | Sep 14, 2013

This article is a follow up on our previous article that went into detail explaining the possible causes of and solutions to the S54 rod bearing failure problem. If you read that article you’ll remember that we suggested a proper solution to the S54 rod bearing problem would be to modify the engine design entirely.…

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