What's the touque settings on the engine big ends & cylinder head bolts for a BMW M51 engine?

SOURCE: head bolt touqe settings

Tightening torques

Do not reuse the bolts as they may be stretched.

Cylinder head to engine block
Stage 1: 32Ft-lbs
Stage 2: +90degrees
Stage 3: +90degrees

Cylinder head to lower timing
chain cover: 89in-lbs

SOURCE: hi is there anybody who knows the torque settings

most local libraries has books with the specs in them

steve morris

• 1675 Answers
• Posted on Apr 07, 2010

SOURCE: whats the torque setting for big end bearing bolt

hi big end bearings are two stage, 25nm leave ten mins, then 49nm cylinder head bolts three stages 20nm leave ten mins, 40nm leave ten mins then 60nm check after 5,000miles hope this helps

SOURCE: Im needing the torgue settings

Hi mate,

I did forget to tell you to ensure that you turn the connecting rod bolts a further 90 degrees after the first setting.

Thanks

Jason

SOURCE: Saab 95 Aero 2.3 turbo. I need torque settings

CYLINDER HEAD BOATS TORQUE FIRST PASS 29.5 FT LBS SECOND PASS 44 FT LBS.THEN TIGHTEN ADDITIONAL 90 DEGREES FOR MAIN BEARINGS 15 FT LBS TIGHTEN EACH BOAT ADDITIONAL 70 DEGREES ROD BEARINGS 15 FT LB TIGHTEN ADDITIONAL 70 DEGREES. CRANKSHAFT DAMPER BOLTS 130 FT LBS.