Limp Mode

[e92m3sf]

Some background first..



For the past 1-2 months, my idle on my 2010 E92 M3 has been unstable jumping up and down

I suspected it was the Throttle Bottle Actuators, but the code never came on so I kept driving normally

Today, my engine went into limp mode and I drove it around the block once and restarted the engine 3-4 times to make sure and the code still stays

What should I do next to confirm my problem? Do I just have to get the car scanned for codes?

[KCE92]

Originally Posted by derekc5475

Some background first..



For the past 1-2 months, my idle on my 2010 E92 M3 has been unstable jumping up and down

I suspected it was the Throttle Bottle Actuators, but the code never came on so I kept driving normally

Today, my engine went into limp mode and I drove it around the block once and restarted the engine 3-4 times to make sure and the code still stays

What should I do next to confirm my problem? Do I just have to get the car scanned for codes?

First thing you should do is scan and see what the code is.

[Dave07997S]

Originally Posted by derekc5475

Some background first..



For the past 1-2 months, my idle on my 2010 E92 M3 has been unstable jumping up and down

I suspected it was the Throttle Bottle Actuators, but the code never came on so I kept driving normally

Today, my engine went into limp mode and I drove it around the block once and restarted the engine 3-4 times to make sure and the code still stays

What should I do next to confirm my problem? Do I just have to get the car scanned for codes?

Here you go..you need to ask the Magic 8 ball!!

Will I have failing actuators?



In all seriousness, pull some codes with a reader.

Dave

[e92m3sf]

Pulled codes and it came out to be Bank 1
I'm going to replace both TBAs, but also pulled another code:

002B59 Thermostat monitoring

I haven't had any other light on my car in the past that indicated any issues about this
Could be a false reading?

[aussiem3]

Originally Posted by derekc5475

Pulled codes and it came out to be Bank 1
I'm going to replace both TBAs, but also pulled another code:

002B59 Thermostat monitoring

I haven't had any other light on my car in the past that indicated any issues about this
Could be a false reading?

Time to replace! Fairly easy DIY. Don't pay the stealership.

[e92m3sf]

Originally Posted by aussiem3

Time to replace! Fairly easy DIY. Don't pay the stealership.

Am I looking at this DIY https://www.m3post.com/forums/showthread.php?t=928400

and looks like I'm changing this out?

[last1left]

Originally Posted by derekc5475

Am I looking at this DIY https://www.m3post.com/forums/showthread.php?t=928400

and looks like I'm changing this out?

This is the thermostat DIY the TA's are further up in the plenum.

[e92m3sf]

Originally Posted by last1left

This is the thermostat DIY the TA's are further up in the plenum.

Sorry, I meant would this DIY be for my termostat code that it's throwing?

[last1left]

Originally Posted by derekc5475

Sorry, I meant would this DIY be for my termostat code that it's throwing?

Yes