How to diagnose BMW P0171 P0174 lean codes E46 E39 E53

NEW CCV KIT: http://amzn.to/1U57csp BMW TOOL: http://amzn.to/2lb9iYL How to diagnose the common P0171 and P0174 lean codes on a BMW M54 engine. Get rid of the codes with a new CCV Kit: http://amzn.to/1U57csp M54 suggested maintenance: http://amzn.to/2gRRyEw Symptoms will include rough idle, poor fuel economy. This particular car was repaired with just a new CCV crank case ventilation valve kit, and by thoroughly cleaning the dipstick guide tube. The valve cover also cracked from the excessive pressure due to to failed CCV valve, so it was replaced with a new one available here: new CCV Kit: http://amzn.to/1U57csp ONLINE http://www.bimmerzeit.com THE GRAM   / bimmerzeit   FACEBOOK   / bimmerzeit   TWITTER   / bimmerzeit   Disclaimer: Due to factors beyond the control of BIMMERZEIT, we cannot guarantee against improper use or unauthorized modifications of this information. BIMMERZEIT assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. BIMMERZEIT recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of BIMMERZEIT no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not BIMMERZEIT. Video and Content is owned by BIMMERZEIT © 2015