The form below allows to calculate the differential final drive ratio when its sticker is removed or is not visually accessible

Ratio

:1

Wheel turns

T

Wheels turning

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Calculate

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Example of single rear wheel turning

Click on the Angle cell to display the angle drawing

Diff	-	-	-	-	-	-	-	-
	Wheel Turns	Driveshaft Turns	Ratio	RatioX	Shafts	D. turns Integer	Decimal	Angle°
523i	10	18.65	3.73	37.3	2	18	0.65	234°
525i	10	19.55	3.91	39.1	2	19	0.55	198°
528i	10	18.65	3.73	37.3	2	18	0.65	234°
530i	10	18.2	3.64	36.4	2	18	0.2	72°
520i	10	20.2	4.10	40.4	2	20	0.2	180°
316ti	10	16.9	3.38	33.8	2	16	0.9	324°