# \#wgdc

**URL:** https://community.tunersguild.com/tag/wgdc/158.md

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## [Why do EDC17 boost maps look broken — and why did Bosch switch to mg/cycle in C64/C74?](https://community.tunersguild.com/t/why-do-edc17-boost-maps-look-broken-and-why-did-bosch-switch-to-mg-cycle-in-c64-c74/136)

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**Author:** [@ThomasPirowski](https://community.tunersguild.com/u/ThomasPirowski)\
**Replies:** 0\
**Last updated:** [May 11, 2026, 5:40am UTC](https://community.tunersguild.com/t/why-do-edc17-boost-maps-look-broken-and-why-did-bosch-switch-to-mg-cycle-in-c64-c74/136 "2026-05-11T05:40:42Z")

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Two EDC17 boost-map traps come up often enough to deserve their own post: BMW EDC17 (e.g., C41) ships boost maps with factory bugs — broken WGDC and boost-request maps that look “wrong” because they are wrong. The mapp…