Surprised to see there is only one other review of this Bentley Manual on AutoPartsWAY at the time being. This set has been worth every penny, and I have to spread the word to any AutoPartsWAY shoppers on the fence.What's in this manual, and why is it worth over $100? In short, nearly everything. Starts with some basic primers, tips, and tool requirements (along with a helpful "service interval" chart) before diving right into how to remove and disassemble your engine. The book contains specifics on nearly all the body styles and engines for an e39: M52, M52 TU, M54, M62s (sedans, touring, V6, V8, etc). The only notable exception is the S62 (M5), but the M5 has quite a bit of mechanical and electrical overlap with the 540i. I use these manuals for both a 528i and an M5.The first book is mechanical, while the second book starts with a thin "practical" section of electrical components (lighting, washers, radio, etc), and then follows with several hundred...