Remove top speed governor

[REVOLVER]

Originally Posted by brian99997

My car was delivered with about 5 hours on it and I am still under 10, can anybody help me find the vmax setting? I looked under dme and this is about the closest I can find. or do I just need to change unknown to 327?

Did you have any luck making it work?

[brian99997]

Originally Posted by REVOLVER

Did you have any luck making it work?

nope.. HG had a rep at the track one day that said they could reprogram ECU's directly and remove the limiter along with remapping but I believe he wanted in the $2500 area to do it and I'm almost sure they ship the ECU to germany to the one place that actually cracked the encryption so maybe a month of downtime?

[F80NJM3]

I got to 162mph (with a speed limiter) on the autobahn during ED.

[mpilot26]

Remember that the 168-169 being indicated on the speedometer isn't accurate. The higher the speed the less accurate automobile speedometers become. I know this to be true with the F80 because I had a GPS ground speed reading in the car at the time of my Vmax run and it indicated 155 maybe 156. I'll have to check again. But I believe that we are all reaching the the actual ground speed limiter when the speedometer is at an indicated 169. Just my two cents. But I would love to know how to get it raised to the 174 limiter or higher. I mean I literally have a fully loaded car and would expect BMW to include all the available options on the car that are available to European customers. Or hell even US AMG customers. But that FSC code should be able to be taken care of by a software tech. Hope that helps clear some things up about the limiter

[brian99997]

Originally Posted by mpilot26

Remember that the 168-169 being indicated on the speedometer isn't accurate. The higher the speed the less accurate automobile speedometers become. I know this to be true with the F80 because I had a GPS ground speed reading in the car at the time of my Vmax run and it indicated 155 maybe 156. I'll have to check again. But I believe that we are all reaching the the actual ground speed limiter when the speedometer is at an indicated 169. Just my two cents. But I would love to know how to get it raised to the 174 limiter or higher. I mean I literally have a fully loaded car and would expect BMW to include all the available options on the car that are available to European customers. Or hell even US AMG customers. But that FSC code should be able to be taken care of by a software tech. Hope that helps clear some things up about the limiter

This is one of the many things that I wouldn't have even considered existing in the M division car and is easily the thing I am most disappointed in.

If it helps, my car stops at 158mph according to external GPS telemetry. It isn't the standard fuel cut in and out, it just stops accelerating as if you lifted the throttle with plenty of rpm to go. The car pulls decent for its size until this limit.

btw, I tried to code the car to think it was german for the anti-dazzle lights, and it didn't change my ability to alter vmax or anything else that seems related here.

[Tempe Mendoan]

Originally Posted by F80NJM3

I got to 162mph (with a speed limiter) on the autobahn during ED.

got to 280km/h but didn't have a chance to take the pic. Autobahn.

[M3forElinas]

Two solutions I found to this problem come out of two BMW tuners.

This is the link for Burger Tuning (BMS) Stage 1 plug-and-play kit. http://burgertuning.com/M3_M4_stage_...nce_tuner.html
$379.00

This is the link for Burger Tuning (BMS) JB4 unit with multiple maps pre-programmed.
http://www.burgertuning.com/M3_M4_S5...nce_tuner.html
$799.00 ($35 USB data cable if you would like to download info or alter the custom map for the unit)

Dinan DinanTronics Stage 1 ECU Upgrade - WILL NOT VOID WARRANTY
http://www.dinancars.com/product/d44...ries&mid=1178/
$2499.99

Dinan DinanTronics Stage 2 ECU Upgrade - WILL NOT VOID WARRANTY
http://www.dinancars.com/product/d44...ries&mid=1178/

From the research I have done, you must remove any of the BMS products from the car before taking it in for maintenance or it will void the warranty if someone sees it. If anyone knows from personal experience please chime in as I'm not 100%.

Dinan is an official partner with BMW and there are actually BMW dealerships across the country that have Dinan parts in stock AND perform installation. Dinan parts are covered with your car, so typically 4 years/50,000 miles. Hope this helps!!!!

[tom @ eas]

Originally Posted by M3forElinas

Two solutions I found to this problem come out of two BMW tuners.

This is the link for Burger Tuning (BMS) Stage 1 plug-and-play kit. http://burgertuning.com/M3_M4_stage_...nce_tuner.html
$379.00

This is the link for Burger Tuning (BMS) JB4 unit with multiple maps pre-programmed.
http://www.burgertuning.com/M3_M4_S5...nce_tuner.html
$799.00 ($35 USB data cable if you would like to download info or alter the custom map for the unit)

Dinan DinanTronics Stage 1 ECU Upgrade - WILL NOT VOID WARRANTY
http://www.dinancars.com/product/d44...ries&mid=1178/
$2499.99

Dinan DinanTronics Stage 2 ECU Upgrade - WILL NOT VOID WARRANTY
http://www.dinancars.com/product/d44...ries&mid=1178/

From the research I have done, you must remove any of the BMS products from the car before taking it in for maintenance or it will void the warranty if someone sees it. If anyone knows from personal experience please chime in as I'm not 100%.

Dinan is an official partner with BMW and there are actually BMW dealerships across the country that have Dinan parts in stock AND perform installation. Dinan parts are covered with your car, so typically 4 years/50,000 miles. Hope this helps!!!!

Dinan provides their own warranty, it is not covered by BMW.

General
The installation of Dinan® Performance Products and systems may affect the vehicle manufacturer’s new car limited warranty. The vehicle manufacturer’s new car limited warranty may not apply to modifications to a vehicle or the installation of any performance accessories or components attached to the vehicle which substantially alter the original engineering and/or operating specifications or which result in damage to other original vehicle manufacturer’s components.

source: http://www.dinancars.com/warranty/

[Mandi90TT]

Not too sure the plugin modules remove the top speed governor, either. I think only a flash tune will do that. I could be wrong, of course.

On a side note, I am somewhat suspicious of anyone who comes in with a single post, no posting history, and their first and only post is almost advertising products.

[tom @ eas]

Originally Posted by Dave 90TT

Not too sure the plugin modules remove the top speed governor, either. I think only a flash tune will do that. I could be wrong, of course.

On a side note, I am somewhat suspicious of anyone who comes in with a single post, no posting history, and their first and only post is almost advertising products.

Even if so, what other items rely on accurate info from wheel speed? Airbag deployment comes to mind, which is a very serious issue.

The F8X module network shares info from other module data to determine how it operates. If one module is reading or sending garbage data, others can be affected.

[MyFragileHalogen]

I am taking a delivery this week and going to try this as well.
326/Werte=FF Here I come!

[Anchored]

threw a F-ton of codes when I tried it on a 16 recently. did not go threw the steps to trouble shoot though since I was in a rush.

[Ragged Edge]

Originally Posted by mpilot26

Remember that the 168-169 being indicated on the speedometer isn't accurate. The higher the speed the less accurate automobile speedometers become. I know this to be true with the F80 because I had a GPS ground speed reading in the car at the time of my Vmax run and it indicated 155 maybe 156. I'll have to check again. But I believe that we are all reaching the the actual ground speed limiter when the speedometer is at an indicated 169. Just my two cents. But I would love to know how to get it raised to the 174 limiter or higher. I mean I literally have a fully loaded car and would expect BMW to include all the available options on the car that are available to European customers. Or hell even US AMG customers. But that FSC code should be able to be taken care of by a software tech. Hope that helps clear some things up about the limiter

Agreed regarding gps groundspeed. On Euro Delivery I was at 268kph indicated, in Germany. I believe my manual transmission is geared for a lower top end than the flappy paddle version. Either way, I was certainly limited as the car pulled strongly to that speed on several occasions, without maxing rpm. Indicated speed was consistently higher than gps speed shown on a Cheetah C150 at all speeds.

[335iFFM]

Originally Posted by MyFragileHalogen

I am taking a delivery this week and going to try this as well.
326/Werte=FF Here I come!

Please try.
I've tried 320km/h and it didn't work. Car had 4h and accepted the values. 320km/h is still in there but doesn't seem to be a valid value inside the OEM Software.

Imho you should try WERT_02. As far as I know that worked for someone I know from "talking".

[CanAutM3]

Originally Posted by Ragged Edge

Agreed regarding gps groundspeed. On Euro Delivery I was at 268kph indicated, in Germany. I believe my manual transmission is geared for a lower top end than the flappy paddle version. Either way, I was certainly limited as the car pulled strongly to that speed on several occasions, without maxing rpm. Indicated speed was consistently higher than gps speed shown on a Cheetah C150 at all speeds.

According to C&D, the 6MT and DCT are both limited to 163mph (GPS measured).

[MyFragileHalogen]

Originally Posted by 335iFFM

Please try.
I've tried 320km/h and it didn't work. Car had 4h and accepted the values. 320km/h is still in there but doesn't seem to be a valid value inside the OEM Software.

Imho you should try WERT_02. As far as I know that worked for someone I know from "talking".

What and where is WERT_02? I don't see it from my F30.. (edit: I guess you meant werte=02...)

[MyFragileHalogen]

Originally Posted by Anchored

threw a F-ton of codes when I tried it on a 16 recently. did not go threw the steps to trouble shoot though since I was in a rush.

That's scary... Did you revert the values back to default and the codes went away?

[Anchored]

Yes, everything back to normal after VO coding the Module.

Make sure engine is off!

[Bahn360Photo]

really? in closed road in mexico i went 162 and car kept pulling (GPS speed!)

its it limited to 167 to begin with?

[Ragged Edge]

Originally Posted by CanAutM3

According to C&D, the 6MT and DCT are both limited to 163mph (GPS measured).

That makes sense. Indicating 268kph is 166mph, and indicated was consistently higher than the gps speed shown by the C-150. Therefore gps speed was probably 163... if I had bothered to check.
Disturbing to realize the GPS can influence the engine. I hope it doesn't control the brakes too. So it might be possible to blow through 163 on a downhill... or just code it out. (for autobahn of course)

[CanAutM3]

Originally Posted by Ragged Edge

Disturbing to realize the GPS can influence the engine. I hope it doesn't control the brakes too.

Not sure what you mean by this .

GPS has no incidence on engine management (or brakes for that matter). The engine top speed governor simply governs based on the "true" speed measured at the wheels. The actual top speed of the car might vary slightly depending on tire size (wear of different size installed). The speedo simply has a known error built into it.

Originally Posted by Ragged Edge

So it might be possible to blow through 163 on a downhill... or just code it out. (for autobahn of course)

As for going downhill, I seriously doubt the pull of gravity on a realistic grade is sufficient to overcome rolling resistance and aero drag at 163mph, so you still need engine power to sustain that speed. Hence the top speed governor remains effective even when going downhill.

[MyFragileHalogen]

Looks like it worked. I closed e-sys and then reconnected and the values are still there. Will check later again if they are still there.