Transmission Malfunction on WOT 335xi

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Originally Posted by amclint

I never could get much info out of Level 10 about what their Mr Flash does, it's not full access to the TCU but somehow they are changing some things as they did make some changes to LM's car. I don't know enough about trans programming to know what's possible so I probably couldn't ask the right questions to glean the info from them :)

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I haven't looked at their website in a long time, and I just did. The Mr Flash description seems a little fuzzy, more like they are just flashing both engine and maybe TCU software with the latest all-inclusive factory software updates. I mean they say "factory approved" which I doubt it is if they do anything for performance. Also why include engine management in the flash at all, if it really is custom TCU performance-oriented.

hey op i had the same issue and it was the low pressure fuel pump sensor and the vanos was bad im not saying its the same for you but everytime i punch it it would say trans malfunction

Im having the same issue but i think mine is ABS related. something to do with the tourqe converter monitoring. Sigh. even the slightest sensor glitch in these cars cause serious issues. needing to replace my pump module and hopefully will go away.


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@sammy_0559 - What software or scanner are you using to read those codes?

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Originally Posted by boosted-M

@sammy_0559 - What software or scanner are you using to read those codes?

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Its a Snap-On Machine we have at the shop

http://www1.snapon.com/diagnostics/us/VERUSPRO

Sorry to bring back an old thread but the search button lead me here.

Hoping you guys can shed some light on diff failures and other hp/tq related xi issues.

I'm having issues with a mild hp (411awhp/538awtq off nitrous) 335xi 6at car now and am having trouble figuring out if it's a case of wheel hop, or a transmission shudder.

When your diff failed was there a hopping feeling at all?

I want to take the car in somewhere to figure out what's going on but I don't know if I should start at a Trans shop or somewhere suspension related.

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Originally Posted by MrSlow

Sorry to bring back an old thread but the search button lead me here.

Hoping you guys can shed some light on diff failures and other hp/tq related xi issues.

I'm having issues with a mild hp (411awhp/538awtq off nitrous) 335xi 6at car now and am having trouble figuring out if it's a case of wheel hop, or a transmission shudder.

When your diff failed was there a hopping feeling at all?

I want to take the car in somewhere to figure out what's going on but I don't know if I should start at a Trans shop or somewhere suspension related.

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Anyone?