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WikiMS42 and MS43 load referenceHistory

MS42 and MS43 load reference

Revision 1

by llandowtuninguk@gmail.com
Add curated starter reference (2026-11-10.1)

This is a historical revision. Read the current page or return to its history.

Page organisation in this revision
Page type
Technical article
Subject
Tuning
Parent
Siemens MS
Applies to
Siemens MS42, Siemens MS43
Tool groups
Not recorded in this older revision
Manufacturers
Not recorded in this older revision

Scope

The two MS4X family references distinguish injection, ignition and VANOS load quantities. A shared word does not make their map axes interchangeable.

Reading a table

Record the load representation used by each table, its axes and the exact software identifier. Refer to the family-specific explanation before comparing values. Keep worked examples assigned to MS42 or MS43 as appropriate.

Sources

Curated reference notes. Applicability follows the cited sources; hardware testing by this wiki is not implied.