2000 BMW 540I Known Good Waveform

Oscar Technician Santa Barbara, California Posted   Latest  
2000 BMW 540i 4.4L 6-spd

Looking for known good cam and crank signal, this vehicle has the 4.4l V8 with VANOS


Nate Owner
Santa Cruz, California
Nate Default

Code 33 is always (in my experience) the kiss of death for that engine. It means the timing chain has jumped a tooth due to failure of the upper chain guide. Remove oil filler cap and look for the rubber on the upper chain guide. Likely it is missing and so lots of work is required to replace that upper chain guide

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