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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Ecu trouble code h2d18



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      08-22-2012, 10:16 PM   #1
timo1980
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Ecu trouble code h2d18

Hi,

My 09 135i had really rough idle this morning for the first 2 minutes, and almost stalled 3 or 4 times, and then it kind of got better, but it was still really slow and felt like it was in limp mode. There were no check engine lights. I just read the codes with the accessport, and it shows ECU: h2d18. I can't find any info on bmw codes that start with H, so I was wondering if anyone here knows? I cleared the code and the car now seems to drive normal, but I really would like to know about that code.
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      08-23-2012, 04:27 AM   #2
enrita
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you have to search the codes without the first letter 2d18 .
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