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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Half engine light/limp mode when WOT



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      09-08-2019, 09:51 AM   #1
gogogogogo66
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Half engine light/limp mode when WOT

Hi guys got another problem I'm sure someone can help me with, I go into limp mode/half engine light when I go wot, sometimes the abs light, ftm, and dsc lights come on aswell which is weird. When I put my foot down the car wants to go buy something is stopping it then I get limp mode unless I take my foot off the pedal.

The codes I'm getting are

2774
2c56
2c58
36c9

Hope someone can assist.

Thanks
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      09-09-2019, 02:43 PM   #2
nynyny
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Quote:
Originally Posted by Shak_il View Post
Hi guys got another problem I'm sure someone can help me with, I go into limp mode/half engine light when I go wot, sometimes the abs light, ftm, and dsc lights come on aswell which is weird. When I put my foot down the car wants to go buy something is stopping it then I get limp mode unless I take my foot off the pedal.

The codes I'm getting are

2774
2c56
2c58
36c9

Hope someone can assist.

Thanks


Well, this is what your codes dictate:

2774 -Mass air flow sensor, plausibility: Air mass
compared with model too high

2c56 - Boost pressure control, upper value: Boost pressure too high

2c58 - Boost pressure control, deactivation:Boost pressure build up blocked

36c9 - DME, internal fault: Plausibility monitoring of the
relative fuel mass
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