N54 Software Update-Final Verdict?

[KingOfJericho]

Originally Posted by ennislaw

Because of this service bulletin that has apparently been modified. I barely had 6k miles 18 months after the purchase date. I did have the oil changed at ~1500 on my own dime.

pge

That service bulletin was revoked about a month after it was issued. I had mine done at around 12k in October 2010, a week after my 1 year anniversary.

[RPM90]

Originally Posted by Dackelone

++1. That is how I would explain the new SW update too. It still felt like the same peak Hp. Its just the throttle response was gone. Before when you could crack teh throttle just an 1/8 or a 1/4 openning.... after the SW update you needed to give it atleast 1/2 throttle for the SAME urge/go/thrust in the crack of your back side! It sucks the new SW update, IF you get it.... no doubt you will want a tune ASAP afterwards.

It sucks doesn't it?
We shouldn't have to go to a potential warranty loss tune just to get our cars to drive like they used to, and how they should drive.
ARGH!

To you BMW:

[AntonV]

just dropped off the car. if they don't have to replace the pump, they wont do the update. i hope they don't!

got a 328i loaner that is absolutely filthy inside. do they clean these things anymore? there's someones fingernail clippings all over the drivers side. GROSS!

[Dackelone]

Originally Posted by jainism

the car has to re learn how you drive....Theres no loss in power. Stop bitching about nothing. You guys sound like 16 girls..

NOT on a 6MT! The SW is what it is. A de-tune.

[jsaw421]

had my 08 auto HPFP replaced (446) and flashed two weeks ago with a different outcome than most. I now have a crap load of turbo lag launching but the car does seem quicker. Still annoyed with the turbo lag and I doubt the car will relearn how it launched without lag.

As for the nav issue Hotsauce spoke of, I have had no problem with that at all.

[Vectors2final]

Originally Posted by Dackelone

NOT on a 6MT! The SW is what it is. A de-tune.

Aside from pedal response learning, yes, when you tune a car, it has to re-learn everything because it's learning curve is reset. Same thing when you disconnect the battery. ECU learning curve save long and short term fuel trims, driving habits, etc.

[imported_mega]

I have a 6MT, just had the software update, a couple injectors and a hpfp done

I don't notice any difference, but I have not seen before/after dyno runs either

[AntonV]

Got the car back last night. Seems a little laggy in the low end, but I don't know if its all in my head.

They replaced the pump with 13-51-7-616-446 & reprogrammed the car.

They didn't hack up the interior while replacing the seat belt rollers & insulation. They did manage do get grease marks all over my interior, AGAIN, after I told them how displeased I was last time.

No injectors were replaced. Is this normal? Seemed like everyone was having at least a couple replaced. Could they not have tested this, or would it just throw a code?

Also changed the micro-filter with the all the standard maintenance.

Ill open the car up on the weekend & see how it feels. So far, doesn't seem too bad.

[sethchan]

Originally Posted by Vectors2final

Aside from pedal response learning, yes, when you tune a car, it has to re-learn everything because it's learning curve is reset. Same thing when you disconnect the battery. ECU learning curve save long and short term fuel trims, driving habits, etc.

And can I teach it to go faster by the way I drive?

[ilikebmxbikes]

back from the dead.

[sethchan]

Well, I can definitively say that ISTA/P 47.05.003 (E89X-12-07-507) has castrated my car, which previously ran progman 32.1 (E89X-08-09-530).

[IDBMW]

I had the SW update several months ago and now when you turn traction control off you get the symbol of a car with curvy lines behind it. I could tell it lost power after the SW upgrade. I also lost 4 mpg. I took it back in and told the dealer about it but they did this . I never called BMW about it.

[Dackelone]

Originally Posted by IDBMW

I had the SW update several months ago and now when you turn traction control off you get the symbol of a car with curvy lines behind it. I could tell it lost power after the SW upgrade. I also lost 4 mpg. I took it back in and told the dealer about it but they did this . I never called BMW about it.

Yup! You got the new "lag" SW update. I have seen some guys say that the dealer now have a fix for this. IDK. Some have even gotten BMW to give them a PPK1 tune for free. Its worth a shot to complain some more.

Dack