# Ender 3 4.2.7 with bl touch over extruding

**URL:** <https://marlin.crc.id.au/forum/t/ender-3-4-2-7-with-bl-touch-over-extruding/1044>\
**Category:** Bug Reports\
**Created:** [1 August 2022 12:02 UTC](https://marlin.crc.id.au/forum/t/ender-3-4-2-7-with-bl-touch-over-extruding/1044 "2022-08-01T12:02:24Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![CustomAlloyWelding](https://marlin.crc.id.au/forum/letter_avatar_proxy/v4/letter/c/cc9497/32.png) [@CustomAlloyWelding](https://marlin.crc.id.au/forum/u/CustomAlloyWelding)\
**Post date:** [4 August 2022 09:21 UTC](https://marlin.crc.id.au/forum/t/ender-3-4-2-7-with-bl-touch-over-extruding/1044/3 "2022-08-04T09:21:59Z")

</div>

Ok I can try that, whats the steps for that and what would be the best firmware to upload? its a ender 3 pro which I replaced the board with a 4.2.7 board, its got a direct drive extruder and dual z axis but rest is stock.

---

_[View the full topic](https://marlin.crc.id.au/forum/t/ender-3-4-2-7-with-bl-touch-over-extruding/1044)._