Miller Performance is proud to offer one of the best options for tuning your M50, S50 or OBDI converted M52 and S52 turbo project! Unlike other tuning packages, this system is designed to give YOU- the customer or shop, the control you desire over our engine and its tune! The W.A.R. Chip allows you to have the final say in your tune and allows you to modify your tune as your car and power evolves!

Retaining the stock ECU offers many advantages! Some of these advantages include lower cost vs. many aftermarket ECUs, retention of the stock diagnostic system, good driveability and reliability plus reduced installation time.

Check out everything that comes in this awesome kit from Miller...

Many consider Miller Performance to have perfected 'mass air flow conversion' technology for OBD1 BMW's and we totally agree. Their experience with MAF construction, calibration and execution is now available for your turbocharged M5x /S5x engine! Plus, just like their other MAF sensors, this proprietary blow-thru MAF is assembled and calibrated in house to ensure perfect and consistent accuracy. All Miller MAF sensors are subject to strict quality control before the ever leave the facility for use by the customer. From years in the business, Miller has total control of its sensors, and can calibrate them for in this kit for any forced induction use. So supercharged or turbo... These  sensors are ready for the 650+ wheel HP range and can be calibrated to read higher if necessary on custom apps! This kit includes this special MAF, calibrated to be used in a ideal 3" charge tube. The supplied aluminum bung is machined to fit perfectly on a 3" aluminum tube for a quick and easy install along with your turbo kit or custom fabricated intercooler piping.
 

Miller Billet MAF Flange:

The supplied aluminum bung is machined to fit perfectly on a 3" aluminum tube for a quick and easy install, along with your turbo kit or custom fabricated intercooler piping. This allows a drop in blow though setup and a much lower change of your charge pipes blowing apart under boost! A great trick from experienced BMW boost junkies.

 

Also included with this tuning package are six genuine, reliable 60lbs Siemens Deka Injectors. They offer a multi-pintle design to provide an optimal spray pattern for improved performance and efficiency. They are a direct fit and require no modification of your existing fuel system. These flow matched injectors also offer excellent response characteristics to provide smooth and reliable performance and power. These support the highest HP levels a stock ECU is capable, so there the first and last injectors you will need.
 

This piece of equipment really makes Millers tuning package stand out! We can tell you that we were one of the first to adopt the WAR chip, and have found it to be the worlds best way to offer our customers tuning on the original factory OBD1 ECU. It's really the last "performance chip" You will buy! This 'chip' gives you the final say in your tune and allows you to run it exactly the way you want... The W.A.R. Chip comes with our windows editing software which allows you to take our base tune (or tunes) and modify them to suit you specific needs. The W.A.R. Chip also allows you to store 4 tunes on one chip, and switch between them quickly without the need for a laptop! This is great news for those who have multiple fuel types to choose from like E85 or race fuel. On the fly, you can switch between the four tunes for the ultimate flexibility from the driver seat- and you can switch between tunes for specific fuel types, meth modes, valet modes or whatever you can come up with! The choice is finally yours!

The WAR Chip will allow your tune to evolve right along with your hardware, so weather you engine is capable of 300HP or 600HP - we've got you covered.

 

Miller Performance and VAC always supplies you with a proper base tune for your application so you can start up and tune right away. Our base tunes have all been developed on Millers Mustang Chassis dyno with industry leading development equipment. With the tune provided for your noted application you will experience safe and reliable drivability. The base tune is safe for 5 - 20 PSI right out of the box! Our base tunes have hundreds of hours behind them and when you first fire up your newly boosted car, you will see our efforts speaks for itself. With stock-like drivability and start ups, sticking with the stock OBD1 ECU has never been a better choice!

 

After you get set up and verify everything is working correctly, the WAR chip can help you massage your base tune to specifically suit your car and makes this process leaps and bounds better than the competition... Because the flexibility provided, the popularity of the WAR chip, and the internet- you can update tunes at any time and share them with different enthusiasts. Uou don't have to wait for a new tune to show up in the mail! With the included base mapes, you can be out fine tuned and enjoying your car in as little as one session! Tough to beat! 

This package includes everything you need to get your Turbocharged OBD1 BMW tuned properly. We have installed and tuned solutions from nearly every name in the business and we can tell you that the Miller product is the best choice.