I just put in a boost/vacumn gauge and I have this mid throttle 39.2 virus bad and I can't see any corelation but I will look closer This whole thing is such a load of crap. My car was fine and fun prior to the "upgrade" and now it consumes me trying to fix it. I went for a long drive today and it just cant stand steady state partial throttle at any rpm over about 2900. I go to the dealer next week and I am not going to be timid about this.

 

After a day of motoring with RyePhix 2 (heavier spring for the SC by-bass value) installed, I must say that the midrange "feels" better.

However, prior to the heavier spring, 1st gear launches were oddly smooth and easy. Much like the car always should have been, but never was. After the spring, 1st gear launches reverted back to how it felt with a slight power dip just at the point where the clutch is fully out. I'll live with that feeling, as long as I don't have to put up with the mid-RPM mid-throttle.

 

Well, I blew my reset ECU MPG experiment out of the water yesterday. Amazingly, it was sunny and 85 degrees. After all of this chilly weather, I just had to take advantage and cruise with the windows down and the moonroof open.

...although I then discovered later that afternoon that there's something wrong with my moonroof. I now have a loud "crack" whenever it closes. With a quick inspection, I think it has something to do with the guide posts that help/make it slide down to shut tight.

Anyhow, I'm tempted to say no difference in mileage, but I just had too much fun yesterday to really be sure. I guess I'll have to start the experiment anew, although I had switch brands of gas to make it home last night so this might just be nothing more than a Mobil vs. Chevron experiment.

 

The sunroof probably is a misalignment of the rollers and the guides. When mine did this the dealership first wanted to order a whole new "cassette", meaning the whole sunroof assemble. I urged them to try re-alignment. After me persisting that it could be adjusted, they finally did the adjustment. Whew! A customer telling a repair tech what to do to do his job. Strange, but it worked.

 

I just had my 10K service yesterday, and got the new software as part of the recall.

After driving 3 hours back home yesterday, and then to work this morning, I am pleased. The yo-yo that was especially pronounced in 2nd gear when the car was cold is gone. I tried several times to induce a yo-you and could not.

As for the throttle response, it seems a little duller. Then again, I took off my Pilo intake and put the stock airbox back on before I went in. So I think it might be the intake that's making the difference.

In terms of driving method, I got the car back with 3/10ths of a mile on the trip meter, so I figured that the reflash had reset it, and the adaptive stuff was still fresh. I followed Rye's advice and mixed as many trips to WOT as I could into my driving. That was followed by a 150 mile interstate run, and then another dose of aggressive driving just before I got home.

Anyway, so far so good. Two cents.

(And it does fix the cruise control.)

 

While in the menu and reset is shown, do you then hit the reset button again to engage/apply the reset? I left the reset message up there for about 30 seconds and nothing happened. When I hit the reset button, there were several noises (not sure what) and then I turned the key to the off position and then started it. Is this what I was supposed to do? I then took it for a 10 minute hard drive.

 

That's exactly what I did.......it worked.

 

I just had V39.2 installed and so far its great. YoYo is gone .. yes I said gone:smile: . Actually chirped tires 1st. to 2nd. with DSC on and it didn't fall on its face. Haven't tried cruise to see if it holds better. Going to give it some time (miles) then MTH.

 

I had the ECU reflash recall performed yesterday (not sure what exact version). I have to say that the car is much more drivable (enjoyable)especially at take off. DSC definately feels less intrusive. I could never get wheel spin at take off with it on, but now they spin in 1st and 2nd. I'm pretty sure they reset the ECU at reprogramming as the trip odometer was reset as well as the OBC functions.

 

Got my V39.2 on m 2002 MCS Wednesday. Drove 120 miles on the interstate immediately. I am VERY happy with the upgrade! Passed cars at 80+ in 6th! I have Never been able to do that before! Overall sounds better too! Only mod to car is RSpeed Cooper "S" exhaust. Cars is really sweet and sounds fantastic!

 

The only problem I have had with V39 is the intermittent rough idle. It hasn't happened in a week though.

 

Last month I had my MINI in for service. I had received the crankcase recall letter and the ECU recall letter. After hearing some bad stories about the latest software version, I knew I didn't want the upgrade. I have the original version for sept 2002. Never had any problems. No cold start probs, no stumble, no hiccup, no yo-yos. The only thing was a reverse stumble at around 1900 RPMs when decelerating to a stop. A nice jerk at that RPM range.

Well I told the service guy when I brought it in to just give me the crankcase recall and not to touch my ECU. He said no problem.

When my car was ready and I signed the papers, he said you're going to like the fix. The car has better driveability now. You'll notice it particularly around town. I thought gee, why should a breather line affect driving? Anyway, I start driving and immediately notice it's quicker off the line and less revs are needed. Nice. But over the next week or so, I notice a hesitation in the early 3k RPM range. Oh no! I finally realize. I have the yo-yo. Sure enough, under light throttle in 2nd gear after I pass 3k RPMs the engine becomes a little unsteady almost like it wants to stall or something. It's fairly subtle but it's there. But they said they wouldn't touch my ECU.

I'm upgrading to the GIAC software in the morning and Helix wanted to know what software version I had. I now wasn't sure so I called the dealer and asked about my last visit. Sure enough, they said they gave me the upgrade.

Overall I don't notice much of a difference except it is smoother at takeoff and has the annoying yo-yo. The yo-yo isn't severe and isn't automatic and doesn't ruin driving the MINI for me but I don't like it. I will review shortly to see if the GIAC software over comes this.

 

It's that flat spot I've been repeating

 

greatgro: hesitation does not equal Yo-Yo; sounds more like you have "flat spot" that MSFITOY's been struggling with You can take legal action against the dealership for doing repairs not listed in the quote, ya know, but just don't expect to ever get the old software back unless you are invited to send your ECU to MINIUSA HQ in NJ.

 

I hope the GIAC software does the trick for you, Greatgro......it did for me. My Aug. '02 build had a first gear stumble that I originally thought was cured by v36. Looking back, I realize that I didn't want to acknowledge that the
occasional hesitations I still experienced were remnants of it. The good news is that since GIAC was loaded I have had absolutely nothing but smooooth take-offs, even after v39. I think you will experience a qualitative improvement across the board in engine performance. I'll keep my fingers crossed for you and look forward to your reactions!

 

I'm not in the mood to go back and "try again" with Mini's latest-greatest Nintendo project I'm planning on having Detroit Tuned "dyno" calibrate my Unichip to "get around" the crap V38 is embedded with...when the grass is green again around here

 

Even after getting performance software the "flat-spot" was still there. It took putting on the RyePhix 2 (stiffer bypass spring) to resolve the issue. However, apparently due to RyePhix2, the smooth starts are now gone that v39.2 had fixed.

 

A flat spot? There's something else now? Stumbles, yo-yos, bogs, hiccups and flat spots too? What's a yo-yo then? Mine feels as though I were giving it gas, letting go, giving it gas and letting it go. Just like that but fast - it makes the car shake sort of. is that a flat or a yo-yo? It sounds more like a yo-yo, what do you think?

 

Ok after reading about MSFITOY's flat spot, I'm pretty sure that's NOT what I have. What I have is a jerkiness, sort of shaking of the car under constant light throttle in the low 3k RPM range. Almost a bucking that someone who didn't know how to drive stick would get in 1st gear at takeoff. It's like that.

And after reading this thread, I also realize that now I also have intermittent, rough idle. It's very rare but every now and then at a light the RPMs will drop and then kick back up. In my previous 60k miles, this NEVER happened. Not once. The throttle response is also jerky now under light throttle - this is new also.

 

ahh, an oscillation, now we're gettin' somewhere - yup that's the Yo-Yo. Sucks for you to join the club - but there's always the Ryephix to phix it

 

So, I am taking my MINI S to St Louis for Good Friday, for annual service and the recall for the DME, which means version 39.2. Do I need to be ready to do a reset when I pick it up, or has the dealers figured out that this is something they need to do? When I pick it up at the dealer, should I drive it like I stole it?

jc

 

yes, no, yes

 

10-4... printing out instructions, assuming that the installer is a moron, and wearing my driving shoes.

jc

 

jc,
Isn't that the way you always drive it I know I do How long will you be in town?

Lois

 

Hey Lois, booked the Sheraton down on 14th by Savvis Center for Friday night and Saturday night. Hotwire $163 with taxes for two nights. Seemed like a decent deal. Any restaurants that I need to definitely hit? I love to eat and drink well.

jc