Replacing The Crank Pulley On The M47 & M57 Engines - 3 Series, 5 Series, 7 Series & X3, X5 Diesels

Hello Everyone and welcome back to the channel.
In this video, I will be replacing the infamous Main Crank Pulley. These are harmonic balancer pulleys which means that the outer section of the pulley is rubber mounted to dampen vibrations from the engine. This unfortunately means that they are a service item with a finite life. They will normally fail after around 120,000 miles in my experience but the replacement isn't hugely difficult, just a little time consuming.
Along with the pulley, I will also be replacing the tensioners, belts and idler pulley as it makes sense to do it at the same time.
As described in the video, the length of the main belt will be determined by whether or not your car has Dynamic Drive or not. If it does then you will require the slightly longer 2160mm belt, if not then make sure to get the shorter one.
I hope that you enjoy the video, all tools and parts that I utilised in the video can be found at the links below.
Engine locking tools, these are suitable for a wide range of engines and also happen to fit the M57 in the video.
ebay.us/MTNJP6
Main Pulley
ebay.us/QfpQHW
Idler Pulley
ebay.us/PZrtKX
Tensioner
ebay.us/yUtysn
Tensioner Wheel
ebay.us/7RmPDB
Main Serpentine/Aux Belt
ebay.us/ixQAXU
Air Con Stretch Belt
ebay.us/U2rLkj
Stretch Belt Removal/Fitting Tool
ebay.us/2uAyPE
All links to products are affiliate links for which I will receive a small commission on any purchase made, at no additional cost to you.
I hope that you enjoyed this video.
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