please i want to know what mean the code p0102 on 2006 BMW 325i

i just wanna know about the code and thanks for that

by in Dallas, TX on April 01, 2012
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3 answers
ANSWER by , April 02, 2012
MAF sensor low input voltage (air flow). Try to clean it and replace and see if this resolves the problem. Otherwise, probably need new one.
ANSWER by , April 02, 2012
Mass or Volume Air Flow Circuit Low Input
ANSWER by , April 03, 2012
the code p0102 means there is a problem with the Mass Air Flow (MAF) sensor or circuit.