[mountaineer10]

Originally Posted by Fax22

My biggest issue right now is that with BM3 there seems to be some low rpm lugging with the powertrain when I push the gas in at a higher gear and in D.
I feel like the car should downshift a little bit easier even in comfort. Do these settings feel a little smoother and easy on the powertrain when just doing normal daily driving?

I did both stg 1 tune and XHP stg 3 on the same day. After doing the recommended break, I know my car is much faster in many situations (for example, 0-60 runs or high speed passing).

Much of my driving is on city streets at normal traffic speeds. This is when it seems less responsive and I've also experienced low rpm lugging. Now, trying to pass a slow driver at 30-45mph on a busy street while my car is on 6th or 7th gear at low rpm, is a bigger adventure than it used to be.

[blacksapphire440i]

Originally Posted by mountaineer10

I did both stg 1 tune and XHP stg 3 on the same day. After doing the recommended break, I know my car is much faster in many situations (for example, 0-60 runs or high speed passing).

Much of my driving is on city streets at normal traffic speeds. This is when it seems less responsive and I've also experienced low rpm lugging. Now, trying to pass a slow driver at 30-45mph on a busy street while my car is on 6th or 7th gear at low rpm, is a bigger adventure than it used to be.

I would downshift your car unless the lugging isn't really going up a hill or an angled mountain. I also do not like how BM3 tied with xHP makes the higher gears lug and stuff as what u guys are saying

[cxmplex]

Stock shiftpoints work great for daily driving on stage 3. I would say that Sport+ mode in D is a bit rough though.

Main downside to stage 2 is slower shifts when manually shifting. It's very noticeable.

[blacksapphire440i]

Originally Posted by cxmplex

Stock shiftpoints work great for daily driving on stage 3. I would say that Sport+ mode in D is a bit rough though.

Main downside to stage 2 is slower shifts when manually shifting. It's very noticeable.

I vouch for this as well. Although I do not like how comfort mode rides the clutch as much compared to sport mode. Sport mode is nice for the healthy balance of both

[Skyhigh]

Originally Posted by cxmplex

Main downside to stage 2 is slower shifts when manually shifting. It's very noticeable.

Not sure I follow!? Please elaborate.

[talontdone]

Originally Posted by cxmplex

Stock shiftpoints work great for daily driving on stage 3. I would say that Sport+ mode in D is a bit rough though.

Main downside to stage 2 is slower shifts when manually shifting. It's very noticeable.

I have also noticed how slow manual shifts are in Stage 2 .... thinking I'll go Stage 3 with stock shift points and will be able to override in manual mode! Great idea ...

[WDE82]

S3 is great. In comfort it's fine and if you don't like the new shift points you can change it. The sport+ shifts are fucking amazing. It's like driving a DCT at that point.

[cxmplex]

Originally Posted by WDE82

S3 is great. In comfort it's fine and if you don't like the new shift points you can change it. The sport+ shifts are fucking amazing. It's like driving a DCT at that point.

Sport+ shifts are insanely quick yeah. Paddle seems faster than the gear selector, but I dunno how accurate that is. Isn't the 8 speed auto w/ manual shifting basically the same as DCT anyways in terms of performance? Aren't modern automatic transmissions w/ manual shifting basically the same as a DCT?

[WDE82]

Originally Posted by cxmplex

Wait, is your B58 bmw not a DCT? Don't all of them have paddle shifting and such?

DCT means dual clutch transmission. All cars with a B58 that I'm aware of have a conventional torque converter automatic. Paddles on the wheel have nothing to do with DCT vs TC auto.

[cxmplex]

Originally Posted by WDE82

DCT means dual clutch transmission. All cars with a B58 that I'm aware of have a conventional torque converter automatic. Paddles on the wheel have nothing to do with DCT vs TC auto.

You're absolutely right, conflated paddle shifters w/ dct /facepalm, but yeah. What's the difference feel like when driving a DCT? Looking at specs, I see that we're around 200ms for a shift, while a DCT can be as low as 10-50ms? I don't know too much about transmissions.


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To add on this thread, does anyone have tire slip when accelerating pretty aggressively from 2nd-3rd? I've noticed when my tires are brand new I don't really get this slip, but now that they've been used since January, I get a bit of a squeel sound / tire slip when I go from 2nd->3rd on XHP stage 3, contintental dws 06+ tires.

[WDE82]

Originally Posted by cxmplex

You're absolutely right, conflated paddle shifters w/ dct /facepalm, but yeah. What's the difference feel like when driving a DCT? Looking at specs, I see that we're around 200ms for a shift, while a DCT can be as low as 10-50ms? I don't know too much about transmissions.


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To add on this thread, does anyone have tire slip when accelerating pretty aggressively from 2nd-3rd? I've noticed when my tires are brand new I don't really get this slip, but now that they've been used since January, I get a bit of a squeel sound / tire slip when I go from 2nd->3rd on XHP stage 3, contintental dws 06+ tires.

Shift speed is the primary practical difference if we gloss over the different ways they actually work. Stage 3 S+ brings the shift times down to within the DCT range which is pretty nuts.

Chirp is pretty normal especially on all seasons. I have chirped through third gear as well in S+ on summer tires depending on the road. Totally fine.

[JdBn]

Anybody knows why for F30/31's built before June 2013 can only use version Stage 3 1.1 and not 1.5? Is the hardware different? And if not, can the software be flashed first to a newer version and then flash xHP version 1.5?

[B58]

Does anyone keep drag race mode ON since it's not activated with normal driving?

[Skyhigh]

Originally Posted by B58

Does anyone keep drag race mode ON since it's not activated with normal driving?

No, since I never intend to use it.

[blacksapphire440i]

How long would drag mode last on our transmissions?

[B58]

Originally Posted by blacksapphire440i

How long would drag mode last on our transmissions?

I imagine every trans is different, but it does mention that it puts 4x the wear on the internals.

[Skyhigh]

My point exactly. As a general rule, none of the tuners really care much about wear and tear, since that is an implied risk and there is zero liability. When a tuner puts a special warning sign nevertheless advising to be cautious with a certain mode, that to me is a clear no-go zone and clearly not worth any performance gains.

I am very thankful to them for making us openly aware.

[Glemm1970]

1. No Drag Mod 1/4 10.33s, 100-200 5.7s
2. Yes Drag Mod 1/4 10.22s. 100-200 5,5s

[PeterWT]

I'm using the Stg2 flash and wasn't happy with the OTS shift maps. So, I tried a few different custom variations of the stg2 shift maps, using the shift map editor, but wasn't quite happy with any of of those either. I eventually just went back to the stock shift maps. They're definitely better than the OTS Stg2 maps and my custom variations. I think I'll just stick with these OE maps.

[Skyhigh]

What is it that you were unhappy with?
I drove with the default xHP shifting points for a while and was happy. Went for "relaxed" in D for fuel economy and am still happy. Just can't figure out what one could be "unhappy" about. It's simply different RPMs for upshifting and downshifting…

[PeterWT]

Originally Posted by Skyhigh

What is it that you were unhappy with?
I drove with the default xHP shifting points for a while and was happy. Went for "relaxed" in D for fuel economy and am still happy. Just can't figure out what one could be "unhappy" about. It's simply different RPMs for upshifting and downshifting…

Just never felt quite 'right'.
I was happy with the stock shift maps before flashing xHP, so I thought I'd just go with those. And, although the "stock" shift maps are not necessarily my exact OE maps, they're close enough and 'feel' fine.

[B58]

Originally Posted by PeterWT

Just never felt quite 'right'.
I was happy with the stock shift maps before flashing xHP, so I thought I'd just go with those. And, although the "stock" shift maps are not necessarily my exact OE maps, they're close enough and 'feel' fine.

Did you ever try Stage 1? It just has the torque limits removed and line pressure increased. Don't touch any other setting just leave it as is.