- hex bolts:
- M8 - 25 Nm;
- M10 - 49 Nm;
- M12 — 82 Nm.
- torx type bolts:
- M8 - 22 Nm;
- M10 - 43 Nm;
- M12 — 82 Nm.
Gearbox to clutch housing:
- all M12 - 76 Nm.
Stiffening element for the rear cover of the gearbox:
- all M8 - 23 Nm.
Rear cover of the crankcase to the gearbox housing:
- all M8 - 25 Nm.
Automatic transmission housing cover made of sheet metal:
- all M6 - 10 Nm.
Front crankcase cover with guide bushing to gearbox housing:
- all M8x22 - 18 Nm;
- all M8x30 - 25 Nm;
- all M6 - 10 Nm.
Bearing cap (sealing flange) – 10.5 Nm.
Reverse gear shaft to intermediate gear (central) parts of the crankcase.
- all M8 - 25 Nm;
- all M10 - 45 Nm.
Reverse gear axle to intermediate gear mounting plate (central) crankcase parts:
- all - 25 Nm.
Bearing holders for the rear cover of the gearbox:
- 280Z (M6) — 10 Nm.
Sealing cover mounting plate:
- 280Z (M6) — 10 Nm.
Bearing to intermediate shaft:
- 280Z (M10) — 60 Nm.
Threaded plug in the rear cover of the gearbox:
- all M20/M22 — 60 Nm.
Output shaft flange "280Z", installation in three stages:
- with preload - 175 Nm;
- turning away;
- tightening – 130 Nm.
Output shaft flange "390Z", installation in three stages:
- with preload - 190 Nm;
- letting go;
- tightening – 120 Nm.
Reversing light contact switch:
- all M12 - 18 Nm.
Gearbox mount (rubber-metal hinges) to the frame cross beam:
- all M10 - 42 Nm.
Fastening the cross beam of the frame to the body:
- all M8 - 21 Nm;
- all M10 - 42 Nm.
Fastening the support bracket to the gearbox:
- all M8 - 21 Nm.
(The original article is posted on the resource «BMWMAN»)