If you're goign to invest ina fowell, why not just set up ISTA? Even if you don't want to set it up yourself, you can purchase one click installs for under $40 on the internet. Free if you set it up yourself. I just took an old laptop, and then spent a few hours seting it up. Works great and now I have BMW dealer tools! ISTA includes every repair manual for every car, so you're covered there too.

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'10 X5 35d- 279k mi, deleted and DUDMD stage 2, daily and tow vehicle
'01 330i- Drift car: SLR Super angle, BC coils- keep it simple
'07 335i 6mt - Sold @ 171k miles- stage 2 daily commuter for 2 years