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5 Series Beamer

Diary of a Second Hand 15 year old Beamer (Maintenance - Battery Drain included...,
BMW E39 520i year 2000 Engine 1995cc)
M Series.

 

fig. Boot - Rear Fuse Cluster

Drive Belt(s) or Fan Belt(s)

I took off my drive belts to inspect them for wear, as you can see this Serpentine belt is definately over due for replacement and with the amount of cracks and missing fabric, tension from the belt is reduced and the performance of the electrical charge, can deminished  dramatically.This belt can also be dangerous when snapping or causing damage to engine components.

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Workshop

fig. A Very Worn Serpentine Belt, if snaps can cause damage to engine and engine components.

fig. This was the belt from the AC drive and as you can see, very little wear, both belts should near enough look like this or better. I decided to replace them both and I decided to keep the AC belt in the boot as a spare.
Reading up on data, belts should last up to and around the 40 - 60,000 miles based on vehicle model and use. 

Workshop/Diary - Drive Belts

fig. Source- Example of Belt configuration

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