Bmw E30 - door lock knob (OEM: 51 21 1 852 140) - image

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BmwE30_doorLockKnob_v1.stl

STL

357.1 KB

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STL file	Role	Source size	PETG / ASA 20%	PETG / ASA 25%	100% solid	Recommendation
BmwE30_doorLockKnob_v1.stl	Primary model	357.1 KB STL	Slice file	Slice file	Slice file	Ensure a strong adhesion to the print bed to prevent warping

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Knobs/Buttons

Bmw E30 - door lock knob (OEM: 51 21 1 852 140)

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Description

Bmw E30 - door lock knob. OEM: 51 21 1 852 140 Almost same with original part, but looks better for me. Perfectly fits on original lock pin. Can be used with the original sleeve. But i recommend to use custom sleeve: https://www.thingiverse.com/thing:4845902 Fusion360 source-file (*.f3d) attached.

Compatible Cars

BMW E30

Published Jun 27, 2026Updated Jul 15, 2026

Originally published on thingiverse.com by Dmitry withoutLastName (Kotyarko_O) · License: CC BY

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