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Topics - millerperformance

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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?
 
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 and increase of 15 - 30 HP and 15 - 30 Ft. Lbs of torque at the wheels, depending on which engine you have and what MAF product you are using.
 
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 conversionss however, you will see it provides more than just a performance chip. Not only are you getting a well developed chip with the MAF, 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 recalibrating the entire fuel and load parameters, timing maps along with other important parts, matched with our MAF will yield better results than any other chip out there.

I already have an aftermarket chip, do I need the chip that comes with your MAF?

We include our software with our MAF conversion products because the software is MANDATORY. Any time you change the sensor related to air metering on a vehicle, you must recalibrate the entire fuel code side of things to use the sensor properly. An aftermarket performance chip that is not written for OUR MAF will have severe drivability issues. Our software is not only calibrated to use and understand our MAF sensor, it is also performance tuned on the dyno.

Do I need the W.A.R. Chip to use your MAF?

No. The Miller MAF conversions and the Miller W.A.R. Chip are separate, independent products. However, they do work absolutely great together. As stated above, Miller MAF software is 100% required when using our MAF conversion. If you decide to use the W.A.R. Chip, the same Miller MAF software is available to use on the W.A.R. Chip.

We recommend the W.A.R. Chip for all M cars that want to use our MAF as well as any non M car that is highly modified aside from our conversion or has plans to do so. If you are basically stock and only want to add our MAF to your car, you do not need the W.A.R. Chip.
 
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
Porsche 944

The most important part to determine if our MAF will work for you is to look at your BOSCH ECU number. If you have a car with a BOSCH ECU that we support, regardless of your chassis, you can use our MAF conversion. If you don't find your ECU number on our store page list, we do not have a MAF solution for you.

 
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 to 90 minutes. Once familiar with the setup, it usually takes, at most, 45 minutes to install.

 
What are some common problems?
 
Our MAF's are all strictly quality controlled after production and once more before shipping. We are human so sometimes mistakes can be made. However, the most common problem is that people fail to read the manual. Improper installation is the number one cause for problems with our MAF system. We can't stress enough that the manual must be read to install the product properly. BMW master mechanics are the worst for this! (Sorry guys) They always install without reading the manual and call us up to complain that the product doesn't work. A little humble pie is served up quickly  :P

The next most common problem is physically plugging the BMW connector on backwards. This is dangerous because it can sometimes lead to a shorted MAF sensor. If that happens, you are on the hook for a new sensor.

Another common problem is that there are mechanical deficiencies with the car to begin with. No matter how hard you make us try, we will not tune out mechanical problems. Our MAF software and the conversion is strongly proven. On a properly sorted car with no major mechanical issues, the MAF will work and function as advertised and expected.

Finally, a little less common but common enough is simply using the wrong sensor housing size and or wrong software calibration for the given application. This usually happens when someone buys the product second hand and the seller tells the buyer what they want to hear to make the sale. If you are ever in doubt about what you should buy from a second hand seller, shoot us an email or phone call. We can tell you if what you are buying will work for you or not. We aren't going to try and make a sale to you, it is more important that the users of our products are educated and happy with the system.

Can I run bigger injectors?

Yes, If you see the application listed on the store page or you use the WAR Chip in conjunction with our MAF.

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.

2
Bosch 175 / Tune Cache
« on: March 28, 2014, 03:52:48 PM »
UPDATED 03/28/14

To submit a tune to the WAR CHIP TUNE CACHE, please email a copy of your tune along with a detail description of your setup to

tunecache@warchip.com

Unless otherwise specified, use premium fuel.

175 Stock Tune.mpc
Factory stock tune - use whatever grade gas you normally use

175 Performance Tune.mpc
Performance tune for stock M42B18

175 Valet Mode.mpc
Valet mode with 3700 RPM red line and no WOT values.

Click here to download files

3
Bosch 990 / Tune Cache
« on: March 28, 2014, 03:42:41 PM »
UPDATED 03/28/14

To submit a tune to the WAR CHIP TUNE CACHE, please email a copy of your tune along with a detail description of your setup to

tunecache@warchip.com

Unless otherwise specified, use premium fuel.

990 Stock AFM Tune.mpc
Factory stock tune - use whatever grade gas you normally use

990 Performance AFM Tune.mpc
Performance tune for stock M42B18

990 Valet Mode.mpc
Valet mode with 3700 RPM red line and no WOT values.

Click here to download files

4
WAR Software Support / WAR Chip FAQ
« on: September 05, 2013, 10:39:45 AM »
What is required to use the WAR chip?

- A car with OBDI electronics. These are typically cars from 1995 or OLDER
- A laptop or desktop computer with Windows XP computer
- Current Java
- A working Internet connection for initial setup
- Decent understanding of how to use Microsoft Windows XP.

Can I use Windows 7 (or other operating systems) in compatibility mode?

No, you cannot use Windows 7 OR Windows7 in “compatibility mode" at this time. You must use Windows XP or if you absolutely are stuck with a Windows 7 Machine, VirtualXP which is provided for free by Microsoft will allow the WAR Chip to communicate with windows properly.

My car won’t start

There could be a few causes to this:

1. Make sure you have run through the setup wizard. From the factory, our WAR Chips do not have tunes on them. You must run the setup wizard stored on the chip to get your first base tunes.
2. Make sure you are “writing” the files to the WAR Chip. Saving files stores them on your laptop or desktop, writing files actually puts them on the WAR Chip.
3. Make sure you are using Windows XP or VirtualXP if you are Windows 7 user. There is no guarantee that the WAR Chip will behave as designed on native Windows7 systems.
4. Make sure you unplug the WAR Chip from your laptop when you try to operate the car. The car will not run if the WAR Chip is connected to a laptop or desktop computer.

My tunes changed places when I read my chip

This is a temporary bug with the current version of the WAR tuning software. The tunes only shift over in the windows software, not on the chip. If you write the files back, they will be in the position displayed in the software. If you do not write the files again, they will be in the original position you had them in.

How do I put files on the WAR chip?

Select “file” then click “write”. The writing process should take between 1 - 2 minutes. Saving tunes is meant to store them on the laptop or desktop computer. “Writing” files puts them on the WAR Chip.

What does, “Incompatible Data file” mean?

There are two reasons for this. You don’t have an .ECU file selected OR you are using the wrong tunes for the .ECU you have selected. The .ECU file is the display instructions for the tune. Because each type of ECU has different maps in different locations in the software, you need to make sure you are using the right .ECU and tune files together. For example, if you have a 173 ECU and have the 173.ECU file selected you must use tune for the 173 ECU. If you try and use tunes for a 413 ECU you will get the “incompatible data file” message.

On the other hand, make sure the WAR Chip software knows what ECU file you are trying to work with. You will be able to look in the top left of the WAR For Windows window bar. There it will say, “Miller WAR Chip: BOSCH 179” for example. If it simply says, “Miller WAR Chip” then you do not have a .ECU file selected and need to do so. Refer to page 24 of the WAR Chip manual. It talks about adding .ECU Files.

I can’t find my tunes (or .ecu file) after running through the wizard.

Sometimes, the WAR Chip wizard trips up do to unique circumstances related to a specific laptop or desktop. If you open the WAR Chip program the very first time and have a blank interface, you will need to add your .ECU file manually as well as open the 4 tunes and write them. After the wizard has run, you will find those files located in this directory: C:/documentsandsettings/ “username” /wc

Where can I re-download the WAR tuning program from?

If you need to run the wizard again, please follow this link:
www.millerperformancecars.com/customer99/wiz/

Where can I download more tunes from?

The WAR Room is back up and running. It is at the bottom of this forum. There, you can go in to the corresponding section for your ECU and browse/download any and all tunes available there.

7
WAR Software Support / WAR Chip Tech Videos
« on: September 03, 2013, 02:32:45 PM »
WAR Chip Wizard


Miller W.A.R. Chip - Windows software overview


Miller WAR Chip - Map Explanation


Miller WAR Chip - Open/Save/SaveAs


W.A.R. for Windows 2.0 - Reading & Writing


Miller WAR Chip - VANOS Tuning

8
Bosch 413/506 / Tune Cache
« on: August 29, 2013, 02:08:41 PM »
UPDATED 05/13/14

To submit a tune to the WAR CHIP TUNE CACHE, please email a copy of your tune along with a detail description of your setup to

tunecache@warchip.com

Unless otherwise specified, use premium fuel.

M50 Performance.mpc
M50B25 Peformance tune

M50 Stock.mpc
M50B25 Stock Tune

M50 Valet mode.mpc
M50B25 Valet mode with Low RPM Limit

m50 with s50 cams.mpc
Customer submitted M50B25 with S50 cams

M52 AutoHaus Final Tune.mpc
M52 converted to OBD1 with 21Lb/hr injectors, OBD2 Manifold, 3.5" MAF (540 or Euro works) headers, free flow exhaust, 68mm TB, tuned at 5400 ft ASL

M52 OBD1 Manifold 21 Lb Inj 3-5 MAF.mpc
M52B28 converted to OBDI with 21Lb/hr injectors, OBDI manifold and 3.5" MAF (540 or Euro works)

M52 OBD1 Manifold 24 Lb Inj 3-5 MAF.mpc
M52B28 converted to OBDI with 24Lb/hr injectors, OBDI manifold and 3.5" MAF (540 or Euro works)

M52 OBD1 Manifold 24 Lb Inj 3-5 MAF S52 Cams.mpc
M52B28 converted to OBDI with S52 cams 24Lb/hr injectors, OBDI manifold and 3.5" MAF (540 or Euro works)

M52 with S50 cams.mpc
Customer submitted M52B28 converted to OBDI with S50 Cams

M52 OBDI 12-5 to 1 Race.mpc
M52B28 High compression 12.5:1 107 octane minimum Sunbelt M3 Sport cams Knife edge crank 24Lb/hr injectors riot racing BBTB VANOS limited to 8mm of travel, replica SS long tube headers Port & Polished head 3.5" MAF

OBDI Vortech 30lb 6 - 8 PSI.mpc
S50, M52 & S52 base file for Vortech S/C with 30Lb/hr injectors 3.5" MAF (540 or Euro works) 6 to 8 PSI

S50 24# 3-5 MAF.mpc
Customer submitted performance tune for s50 with 24Lb/hr injectors and 3.5" MAF (540 or Euro works)

S50 Performance.mpc
Performance tune

S50 Valet Mode.mpc
Valet mode with low RPM Limit

S50 S52 3-5 Inch MAF 24# injectors w cams.mpc
S50 or S52 Converted to OBDI with OBD1 intake manifold, 24# injectors 3.5" MAF and schrick cams.

S50 S52 3-5 MAF 24# injectors.mpc
S50 or S52 Converted to OBDI with OBD1 intake manifold, 24# injectors, 3.5" MAF.

S52 OBDI 21-5 3-5 HFM Spd Sen Del.mpc
S52B32 converted to OBDI with 21Lb/hr injectors, OBDI manifold and 3.5" MAF (540 or Euro works) WITH SPEED SENSOR DELETE

S52 OBDI 21.5_ inj 3-5 HFM.mpc
S52B32 converted to OBDI with 21Lb/hr injectors, OBDI manifold and 3.5" MAF (540 or Euro works)

Click here to download files

9
Bosch 404 / Tune Cache
« on: August 29, 2013, 02:06:56 PM »
UPDATED 08/29/13

To submit a tune to the WAR CHIP TUNE CACHE, please email a copy of your tune along with a detail description of your setup to

tunecache@warchip.com

Unless otherwise specified, use premium fuel.

404 (530 STOCK File).mpc
530i stock base file

404 (540i) 92 oct.mpc
540i Performance tune for 92 octane

404 (540i) Economode.mpc
540i Economy tune

404 (540i) Valet Mode.mpc
540i valet tune- low rpm limit

Miller M62 OBDI.mpc
M62 Performance tune

Click here to download files

10
Bosch 403/405 / Tune Cache
« on: August 29, 2013, 02:04:14 PM »
UPDATED 08/29/13

To submit a tune to the WAR CHIP TUNE CACHE, please email a copy of your tune along with a detail description of your setup to

tunecache@warchip.com

Unless otherwise specified, use premium fuel.

403 _ 405 19lb Injectors.mpc
Performance tune with 19Lb/hr injectors

403 _ 405 Headers and Cams.mpc
Performance tune for VAC cams and headers

403 _ 405 Performance.mpc
Performance Tune

403 _ 405 Stock.mpc
Stock tune

403 _ 405 Valet Mode.mpc
Valet mode with low RPM limit

Click here to download files

11
Bosch 402 / Tune Cache
« on: August 29, 2013, 02:02:15 PM »
UPDATED 08/29/13

To submit a tune to the WAR CHIP TUNE CACHE, please email a copy of your tune along with a detail description of your setup to

tunecache@warchip.com

Unless otherwise specified, use premium fuel.

402 - HKS supersharged 30lb inj tune.mpc
Base tune for Supercharged Non Vanos 2.5L with 30lb/hr injectors and stock MAF

402 Performance.mpc
Performance tune

402 stock 6800rpm limit.mpc
Stock tune with raised RPM Limit

402 stock.mpc
Stock Tune


Click here to download files

12
Bosch 350 / Tune Cache
« on: August 29, 2013, 01:59:06 PM »
UPDATED 08/29/13

***We do not support the use of the WAR chip with the E34 M5. The tune files below have been used in custom tunes but may have a check engine light or compatibility issues if used in another car. Once again, we do not support these files.***

To submit a tune to the WAR CHIP TUNE CACHE, please email a copy of your tune along with a detail description of your setup to

tunecache@warchip.com

Unless otherwise specified, use premium fuel.

350 Mild Performance.mpc
Mild Performance tune for e34 M5

350 Performance Tune.mpc
Performance tune for e34 M5

350 Stock BMW.mpc
Stock tune for e34 M5

Click here to download files

13
Bosch 179 / Tune Cache
« on: August 29, 2013, 01:14:51 PM »
UPDATED 08/29/13

To submit a tune to the WAR CHIP TUNE CACHE, please email a copy of your tune along with a detail description of your setup to

tunecache@warchip.com

Unless otherwise specified, use premium fuel.

179 AFM 87 oct.mpc
AFM Tune for 87 octane - stock tune

179 AFM Higher Idle.mpc
AFM Performance tune

179 AFM Valet Mode.mpc
AFM Valet mode with low RPM limit

179 AFM.mpc
AFM Performance tune

179 AFM Alpina B10.mpc
stock tune for Alpina B10

179 AFM B34 10.2 COMP 290 DEG CAM.mpc
AFM performance tune for M30B35 using 179 ECU and 10.2:1 compression pistons and a 290° cam

179 G2 .mpc
Gen 2 MAF Performance tune

179 G2 B34 MAF 10.8 COMP 24lb INJ.mpc
Gen 2 MAF Performance tune for M30B35 using 179 ECU and 10.8:1 compression pistons and 24 lb/hr injectors

179 G3 22lb injectors-Max Anderson.mpc
Gen 3 MAF Tune for 22lb/hr injectors

179 G3 304 Cam.mpc
Gen 3 MAF Tune for use with 304° cam

179 G3 87OCT.mpc
Gen 3 MAF Low octane tune

179 G3.mpc
Gen 3 MAF Performance tune

179 G3 B34 10.8 COMP 24lb INJ.mpc
Gen 3 MAF Performance tune for M30B34 using 179 ecu 10.8:1 compression 24lb/hr injectors Version 1

179 G3 B34 10.8 COMP 24lb INJ VER2.mpc
Gen 3 MAF Performance tune for M30B34 using 179 ecu 10.8:1 compression 24lb/hr injectors Version 2

179 G3 B35 10-5 to 1 Cam Port and Polish Headers-Josh Merline.mpc
Gen 3 MAF Performance tune for M30B35 10.5:1 Miller cam and Port and Polish

179 G3 Alpina B10 .mpc
Gen 3 Performance tune for Alpina B10

179 G3 MAF 10 to 1 timing curve.mpc
Gen 3 MAF Performance tune for 10:1 compression

179 G3 Miller Cam-Tom Langdon.mpc
Gen 3 MAF performance tune with stock exhaust Miller Cam and stage 2 head

179 G3 Valet Mode.mpc
Gen 3 MAF valet mode with low RPM limit


Click here to download files

14
Bosch 173 / Tune Cache
« on: August 29, 2013, 01:13:25 PM »
UPDATED 08/29/13

To submit a tune to the WAR CHIP TUNE CACHE, please email a copy of your tune along with a detail description of your setup to

tunecache@warchip.com

Unless otherwise specified, use premium fuel.
   
173 AFM (14Lb) Higher Idle.mpc
Performance tune using the factory AFM with an increased idle speed

173 AFM (14Lb).mpc
Performance tune using the factory AFM

173 AFM 87 oct (14Lb) Valet Mode.mpc
Performance tune using the factory AFM and 87 octane. Low RPM limit

173 AFM 87 oct (14Lb).mpc
Performance tune using the factory AFM and 87 octane

173 AFM Expanded RPM .mpc
Performance tune using the factory AFM and 87 octane. RPM Scaling goes to 7600rpm. For race applications.

173 AFM HP (14Lb) 5% more Ign.mpc
High Performance tune using the factory AFM and 87 octane

173 G2 MAF.mpc
Gen 2 MAF performance tune

173 G2 valet.mpc
Gen 2 MAF tune with low rpm limit

173 G3 HFE (14Lb).mpc
Gen 3 MAF performance tune for high flow exhaust

173 G3 - (14Lb) Higher Idle.mpc   
Gen 3 MAF performance tune with an increased idle speed

173 G3 - 3 inch Housing (14lb) .mpc
Gen 3 MAF performance tune for the 3" MAF housing

173 G3 - 3 inch housing M30 TB (14Lb) .mpc
Gen 3 MAF performance tune for the 3" MAF housing and 3" M30 throttle body

173 G3 - 87 oct (14Lb) Valet Mode.mpc
Gen 3 MAF performance tune made for 87 octane with low rpm limit

173 G3 - 87 oct (14Lb).mpc
Gen 3 MAF performance tune made for 87 octane

173 G3 - 87 oct (19Lb) Higher Idle.mpc
Gen 3 MAF performance tune using 19lb injectors made for 87 octane. Increased idle speed

173 G3 - 87 oct (19Lb) Valet Mode.mpc
Gen 3 MAF performance tune using 19lb injectors made for 87 octane. Low rpm limit

173 G3 (14Lb).mpc
Gen 3 MAF performance tune

173 G3 (19Lb).mpc
Gen 3 MAF performance tune using 19lb injectors

173 G3 Miller Stroker base (19Lb) 2-8L+.mpc
Gen 3 MAF performance tune using the 3" MAF housing and 19lb injectors for a 2.8L stroker motor

173 PSIK (19Lb) HFE & Headers.mpc   
Pro Street Induction Kit tune for 19lb injectors, headers and high flow exhaust

173 PSIK (19Lb) HFE Stock Mani.mpc   
Pro Street Induction Kit tune for 19lb injectors and high flow exhaust

173 PSIK- Stock M20.mpc
Pro Street Induction Kit tune for a stock application

173 Stock File.mpc
Factory tune for AFM


Click here to download files

15
Bosch 153 / Tune Cache
« on: August 29, 2013, 01:11:29 PM »
UPDATED 08/29/13

To submit a tune to the WAR CHIP TUNE CACHE, please email a copy of your tune along with a detail description of your setup to

tunecache@warchip.com

Unless otherwise specified, use premium fuel.

153 AFM Stock.mpc
Stock tune using the AFM

153 G3 - 87 Oct (14Lb).mpc
Gen 3 MAF performance tune for 87 octane

153 G3 (14Lb).mpc
Gen 3 MAF performance tune

153 G3 Miller Stroker Base (19Lb).mpc
Gen 3 MAF tune for a Stroker motor using 19lb injectors and a 3" MAF housing

153 G3 Valet Mode (14Lb).mpc
Gen 3 MAF tune with low rpm limit

153 Gen 3 MAF- 92 Oct (19 lb).mpc
Gen 3 MAF tune for 19lb injectors

153 PSIK Stock M20 (14Lb).mpc
Pro Street Induction Kit tune for stock injectors

153 PSIK Stock M20 (19Lb).mpc
Pro Street Induction Kit tune for 19lb injectors


Click here to download files

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