[ASportLineGuy]

Thanks!

[NormanConquest]

Originally Posted by JoshyDeee

Hello all,

New to the community here in terms of posting, but have read so much and its been such a help. I recently got a Glacier Silver 2015 335xi.

On the VIN lookup websites I can not find anything about 804 (High Speed Sync.) but when I am on mygarage.bmwusa.com and look at my car, it has all of the options that are on the car that correspond with the options that show up on the VIN lookup, and also has "removed increased top speed".

Also, I have let her breathe a little and I am pretty sure I have been over 130. I have V rated tires so I didnt want to push too hard


I have been reading forums and looked a bunch of stuff up today, but was hoping to get a little more help.

Thanks!

I believe 155 the top for stock with stagger setup

[Brett530]

840 "High Speed Synchronization" comes with M-Soprt package and also Sportline package. Top speed limiter is raised to 155MPH. I think without 840 it is limited to 130.

[kpgray]

Originally Posted by JoshyDeee

.... I recently got a Glacier Silver 2015 335xi.

On the VIN lookup websites I can not find anything about 804 (High Speed Sync.) but when I am on mygarage.bmwusa.com and look at my car, it has all of the options that are on the car that correspond with the options that show up on the VIN lookup, and also has "removed increased top speed"....

Congratulations on the 2015 335 xDrive.

Two parts to this answer:

1. The only way to get the "High Speed Limiter" is to order the car with the "Mixed Summer Tires". This "Mixed" option then allows one to get the 840 increases top speed governor option. This 840 option increases the standard 135 MPH to higher 155 MPH. Standard wheels come as a "square" footprint, or front and rear wheels have same width (8"). The "mixed" is where the rear tires (rim) are wider (8" front, 8.5" rear). This also includes summer tires that are Z rated so the tires are softer, they grip the road better but will wear faster (less miles between tire changes).
2. When ordering Mixed tires, the RWD version automatically defults the 840 option but it can be changed to the ZRT option of "removed increased top speed" when ordered. However, the xDrive defaults to the ZRT option of "removed increased top speed", you have to change to the 840 option when ordering. My guess is that whoever ordered your xDrive kept the default option of ZTR.

I have the 840 option on a RWD version but have never been close to either limit (several times in the triple digits but not above 125). The Z-Rated tires if you stay on top of the tire pressures and alignment can get you 25K on a set where the lower V rated can get you 40K. Aditionally, the Z rated tires carry a premium cost. So I personally would not be too upset. Hope this answers your question.

[anotheran]

If you ever decide to unlock your ECU, you can remove the limiter on the ECU so there's no point sweating over what your top speed is limited to.

[ASportLineGuy]

Thank you all for your help. I don't think I'll be approaching the limit anytime soon, just wanted to make sure.

[paul e]

Originally Posted by anotheran

If you ever decide to unlock your ECU, you can remove the limiter on the ECU so there's no point sweating over what your top speed is limited to.

I was under the impression the limiter could not be removed.

Could you expand on this?

[BMWILUVU]

Originally Posted by paul e

I was under the impression the limiter could not be removed.

Could you expand on this?

Most Flash tunes can remove the limiter.

[kpgray]

Originally Posted by 3A53

My 328i sportline has a square setup and 840

It may be possible to get one as such, but all the factory pricing guides do not show or offer that combination. All Rim and Tire Combinations that offer the "840" high speed limiter that I have seen are the "Mixed Tire" combinations with Summer Tires only. All square combinations are all season tires and standard limiter. However, by the same respects, the guides do not show every available combination. For example, BMW has the "Individual" items that can be ordered and some hidden others such as De-badging that are out there so I am not saying it can't happen, however, generally speaking it is rare. I am sure yours is also.

[eluded]

Kid, you're gonna shoot your eye out

[kpgray]

Originally Posted by 3A53

idk where you're looking but all of the pre-lci (and maybe later) pricing guides list 397 wheels square (2A5) with summer tires as including option 840. Standard on the sport line and a no charge option on the luxury line. With 2NH brakes a $600 option for any other car.

I was looking at the Model Year 2016 pricing guide. LCI 2016 guide does not have the Sport Model, only M-Sport. The 397 wheels are offered as a standalone option. 24B is the Mixed Performance Tires and 2A5 is Square with A/S tires. Neither 397 setup shows the 840 as part of the wheel package. The 840 may have been offered in Pre-LCI. I have no reason not to believe this was available, just my 2016 guide.

I previously owned a 2013 328i xDrive Sport with 397 wheels (my favorite 18" wheels btw), the standard xDrive was square 8" wide with A/S tires. I was not looking at the 840 option at the time. When I picked up my 2014, I wanted the 840 as an option and do not recall the 840 offered with square wheels setup (but, I was looking at M-Sport not Sport model, I wanted the mixed wheels). I picked the 403 19" Mixed Tires with RWD for the performance aspect. I do run a Square Setup with my Winter Wheels.

[kpgray]

Originally Posted by 3A53

2017 also offered 397 square with 840 for $600

This is from the 2017 BMW Pricing Guide, on page 7 on hyperlink. Again, this is not 100%, I guess it can be done, however, it does not show the 840 as option on square rims.

[kpgray]

Originally Posted by 3A53

http://f30.bimmerpost.com/forums/att...1&d=1465835771

top line on page 7

You are correct! the 2017 pricing guide does offer the 840 on square wheel setup. However, I could not find it in the 2016 pricing guide... interesting...

2016 Pricing Guide F30

[rak299]

Originally Posted by kpgray

Congratulations on the 2015 335 xDrive.

Two parts to this answer:

1. The only way to get the "High Speed Limiter" is to order the car with the "Mixed Summer Tires". This "Mixed" option then allows one to get the 840 increases top speed governor option. This 840 option increases the standard 135 MPH to higher 155 MPH. Standard wheels come as a "square" footprint, or front and rear wheels have same width (8"). The "mixed" is where the rear tires (rim) are wider (8" front, 8.5" rear). This also includes summer tires that are Z rated so the tires are softer, they grip the road better but will wear faster (less miles between tire changes).
2. When ordering Mixed tires, the RWD version automatically defults the 840 option but it can be changed to the ZRT option of "removed increased top speed" when ordered. However, the xDrive defaults to the ZRT option of "removed increased top speed", you have to change to the 840 option when ordering. My guess is that whoever ordered your xDrive kept the default option of ZTR.

I have the 840 option on a RWD version but have never been close to either limit (several times in the triple digits but not above 125). The Z-Rated tires if you stay on top of the tire pressures and alignment can get you 25K on a set where the lower V rated can get you 40K. Aditionally, the Z rated tires carry a premium cost. So I personally would not be too upset. Hope this answers your question.

Regarding the statement that xDrive cars with staggered setup default to ZRT, rather than 840. I have a 2018 340 with xDrive. I have a staggered setup and "Y"-rated tires because I have the Track Handling Package. I know that whoever ordered it didn't do anything to force 840, because "whoever" is me, but my build sheet shows 840, not ZRT. I have not tested anything speed-related because I have not had an occasion to drive fast with it. If it matters, I have 6MT and I got a Shadow Sport build, rather than M Sport because I needed the extra 1/2" of ground clearance at the front bumper

[Blubaron79]

Pics!

[BP340]

I have a 2018 340 Sportline which has the limiter set at 155. I have not tested it of course, and do not really care. Happy Holidays.

[jjrandorin]

Its normally the tires you get (not whether they are staggered or not, but whether they performance tires vs all seasons). At least thats what I have seen.

[kpgray]

Originally Posted by rak299

Regarding the statement that xDrive cars with staggered setup default to ZRT, rather than 840. I have a 2018 340 with xDrive. I have a staggered setup and "Y"-rated tires because I have the Track Handling Package. I know that whoever ordered it didn't do anything to force 840, because "whoever" is me, but my build sheet shows 840, not ZRT. I have not tested anything speed-related because I have not had an occasion to drive fast with it. If it matters, I have 6MT and I got a Shadow Sport build, rather than M Sport because I needed the extra 1/2" of ground clearance at the front bumper

The ZTR package has a choice of 3 different wheel rims, each is "Mixed Performance Tires" and each adds the 840. This is regardless of drive-train.

[rak299]

Originally Posted by kpgray

The ZTR package has a choice of 3 different wheel rims, each is "Mixed Performance Tires" and each adds the 840. This is regardless of drive-train.

ZRT is not ZTR