To find all your answers to our BMW mass air flow conversion look no further. This comprehensive list of common questions should help you further decide if a Miller Performance Mass Air Flow Conversion is right for you.
What are the gains I can expect from the MAF system
What are some good performance chips? How does a MAF compare?
Does the Miller MAF Conversion System work on my car?
Will the MAF work with future plans I have with my car?
Is the MAF hard to install?
What are some common problems?
Can I run bigger injectors?
Can I use a cam and/or and exhaust with the MAF?
What are the gains I can expect from the MAF System?
The MAF System replaces the stock AFM. We guarantee at the VERY LEAST the same gains as the leading performance chip. However, on top of that we also guarantee a better mid range, a flatter torque curve and drastically improved throttle response. Unlike the AFM, there is no "door" restricting flow. Due to no obstructions during part throttle you are able to flow more air into your engine. The chip provided with the System allows for your ECU to run the car as if the MAF sensor was an original BMW component. As far as recorded power gains go, you can expect 10 - 20 HP and 15 - 25 Ft. Lbs of torque depending on which engine you have. Here are some Dyno sheets for the e30 325 and the e34 535
What is a good performance chip? How does our MAF compare?
There are plenty of chip makers out there. The price reflects the knowledge that goes into tuning those chips. If you look at our MAF Systems however, you will see it is more than just a performance chip. Not only are you getting a well developed performance chip, you are also getting an updated Air flow sensor that will allow for better results compared to JUST a chip. Most Chip companies say your car will gain 20 - 25 hp from their chip, but what they aren't telling you is that those numbers are based on use with different Cams, exhaust etc. How can just a little change of software really make a 20 HP difference without engine modifications. We are the only company offering this valuable Chip & MAF Sensor package. The Time spent on remapping the entire fuel curve, and timing maps along with other important parameters, matched with our MAF will yield better results than any other chip out there.
Does the Miller MAF Conversion System work on my car?
Miller performance has MAF conversions for the following cars:
- e24 635 M635 & M6
- e28 535 & M5
- e30 325 & M3 (No MAF for 325e cars)
- e32 735
- e34 525 535
If you don't see your car on the list, we don't have a production MAF system. We can however make a custom MAF if you are relatively local to our main facility.
Will the MAF work with future plans I have with my car?
Of course the MAF will work with you no matter what your plans for your car are especially if you are using the W.A.R. Chip! Your engine has to know how much air you are flowing and thus the need for an air sensor is always there. One way to measure airflow is with a MAF. When you decide to upgrade different components of your car, there is always a need to re-tune your car to its "new" full potential. Because our MAF System is calibrated in the ECU, it is easy adjust the software as needed.
Is the MAF hard to install?
We find on average, a first timer will take about 70 minutes. Once familiar with the setup, it usually takes, at most, 45 minutes to install.
What are some common problems?
If installed correctly there shouldn't be any problems at all. However, sometimes a step in the installation may be overlooked, or a connection not properly made. This can cause cutting out while driving, poor idle, or no ignition at all. We have found that going over the instructions and double checking your installation usually solves all your problems.
Also, the AFM is very forgiving when it comes to how your engine is maintained. It masks a few common issues that the MAF conversion will reveal. For one, the TPS is commonly worn out and intermittent. Check to make sure your TPS is working so that you have access to the wide open throttle maps. Another commonly exposed problem unrelated to the MAF system is the idle control valve. Make sure this is functioning properly or you will have stalling and other idle issues.
The problems that some customers experience usually are related to other parts on their car, not our MAF system especially when installing multiple parts at once. ALWAYS DO ONE THING AT A TIME.
Can I run bigger injectors?
Yes, If you see the application listed on the store page.
It is a common misconception that adding bigger injectors will increase your power. Without proper tuning your are only hindering your engines performance. And again, bigger injectors are not the best option for power improvements.
Can I use a cam and/or and exhaust with the MAF?
Yes, we have a variety of software for your application.
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