[izaazk]

I bought a 2011 535i non-sport from my local Motor Werks dealer recently...

ever since i bought it it has a slight rough idle almost like a mis fire but not really a mis fire... no CEL or anything....

When the transmission shifts... its slow, choppy, and very jerky going up and down the gears...

any input? software update? trans fluid change??

Any help would be appreciated!

Gets slightly better once the car is fully warmed up!

[Bmw doubles]

Not sure if there's the Alpina TCU flash for F10's AT. If so definitely have it flashed, but could be a separate problem your having. See if the dealer has a recall. I have a MT so for me it's the clutch delay valve that is a POS.

[izaazk]

I will check my local Motor Werks dealer soon....

Its weird like I can feel EVERY up shift and DOWN SHIFT... its terrible when its cold but gets smoother over time when it warms up but still feel them

[Bmw doubles]

Originally Posted by izaazk

I will check my local Motor Werks dealer soon....

Its weird like I can feel EVERY up shift and DOWN SHIFT... its terrible when its cold but gets smoother over time when it warms up but still feel them

Just had my car coded today and asked my guy who does coding about your transmission. He said there is no Alpina TCU flash for F10's, but there is a software update from the dealer that might address your problem. Keep us posted.

[claykin]

Definitely ask dealer to update your Istep level to current. Or at very least check service history and current Istep to make sure it's reasonably current. Also check to make sure all services have been completed.

[izaazk]

I will ask if they can do a software update...

would it also fix my rough idle? like it feels like a misfire but it isn't one... NO CEL..

Apparently the service history said plugs were changed before I bought the car.. I don't know what else could be the issue..

every cold start as the revs come down it shakes like a mis fire.... also when letting the brake pedal go off a red light you also feel the same vibration

would a jb4 help me fix these problems?

[lsturbointeg]

Originally Posted by izaazk

I will ask if they can do a software update...

would it also fix my rough idle? like it feels like a misfire but it isn't one... NO CEL..

Apparently the service history said plugs were changed before I bought the car.. I don't know what else could be the issue..

every cold start as the revs come down it shakes like a mis fire.... also when letting the brake pedal go off a red light you also feel the same vibration

would a jb4 help me fix these problems?

i would bring that to the dealer's attention and let them know the issues you're having so they can take care of it. keep us posted on what they decide to do and if it fixes what you're experiencing

[izaazk]

I will definetly ask them sometime soon... only problem is I am out of warranty so hopefully they honor as a courtesy since its been less then 1 month since i bought the car and its been doing that since day 1

[lsturbointeg]

Originally Posted by izaazk

I will definetly ask them sometime soon... only problem is I am out of warranty so hopefully they honor as a courtesy since its been less then 1 month since i bought the car and its been doing that since day 1

wait...no warranty and you just bought the car

[izaazk]

I bought it pre owned lol 76K miles :/ GREAT deal though

[AmooManiak]

I had a simliar issue in my E60 545i. The 1-2 shift was HORRIBLE! It usually happened for the first 5-10 minutes and only in colder weather.

The E60s had known issues with the Mechatronics unit, which also caused it to leak oil. My short term solution was to get a transmission oil change/add oil. First thing I would check is your oil level.

[Bmw doubles]

Rough idle could be dirty maf

[izaazk]

is the MAF on the charge pipe?

I was thinking of taking time out to replace all the plugs just to get that out of the way since its cheap and easy!

[Bmw doubles]

Originally Posted by izaazk

is the MAF on the charge pipe?

I was thinking of taking time out to replace all the plugs just to get that out of the way since its cheap and easy!

On the back of the air filter

[BMDubbya535]

Originally Posted by AmooManiak

I had a simliar issue in my E60 545i. The 1-2 shift was HORRIBLE! It usually happened for the first 5-10 minutes and only in colder weather.

The E60s had known issues with the Mechatronics unit, which also caused it to leak oil. My short term solution was to get a transmission oil change/add oil. First thing I would check is your oil level.

Same symptoms and I thought this would be the end of my wallet until I got an e brake malfunction that actually made me run like new

[HizEternal]

I have the same year but with xdrive and have gone through the trials and tribulations lol. Check your ignition coils and make sure they are operating correctly, if not replace all 6 with the Bosch ones. The coils or one of them sometimes go bad and it’s better to replace them all. Also make sure there’s no vacuum leaks. The easiest one to do is take it on the highway and punch it hard, if you do get a drive train malfunction while doing that, then one of the injectors May be clogged.

That’s the engine side, the transmission is a moody beast. A software update may fix it and mine behaves like yours (I never did the update). I changed my fluid at 70k so I know it’s not that. But I do see that if it’s 60f outside it’s silky smooth but any higher or lower it’s either hanging on cold drives till warm or hard shifting after long drives while hot.

[Surly73]

Originally Posted by HizEternal

I have the same year but with xdrive and have gone through the trials and tribulations lol. Check your ignition coils and make sure they are operating correctly, if not replace all 6 with the Bosch ones. The coils or one of them sometimes go bad and it’s better to replace them all. Also make sure there’s no vacuum leaks. The easiest one to do is take it on the highway and punch it hard, if you do get a drive train malfunction while doing that, then one of the injectors May be clogged.

That’s the engine side, the transmission is a moody beast. A software update may fix it and mine behaves like yours (I never did the update). I changed my fluid at 70k so I know it’s not that. But I do see that if it’s 60f outside it’s silky smooth but any higher or lower it’s either hanging on cold drives till warm or hard shifting after long drives while hot.

I thought Delphi was now the recommended best coil for N55 (and Eldor for N54)?