BMW E30 Bolt Torque Spec Guide

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Basic Servicing Parts

• Wheels Bolts - 73.8 ft/lbs (100Nm)
  
• Spark Plugs (non M10 Engine) - 22.1 to 24.3 ft/lbs (30 to 33Nm)
  
• Spark Plugs (M10 Engine) - 14.8 to 22.1 ft/lbs (20 to 30Nm)
  
• Oil Sump Plug (M12) - 18.4 ft/lbs (25Nm)
  
• Oil Sump Plug (M22) - 44.3 ft/lbs (60Nm)
  
• Oxygen Sensor - 22.1 to 24.3 ft/lbs (30 to 33Nm)
  
• Manual Transmission Sump Plug - 29.5 to 44.3 ft/lbs (40 to 60Nm)
  
• Auto Transmission Sump Plug - 11.8 ft/lbs (16Nm) 

Engine

Engine

 

• Timing Chain Tensioner Plug - 25.8 ft/lbs (35Nm)
  

• Timing Belt Tensioner Bolts - 16.2 ft/lbs (22Nm)
  

• Timing Chain/Belt Cover to Engine (M6 Bolts) - 7.4 ft/lbs (10Nm)
  

• Timing Chain/Belt Cover to Engine (M8 Bolts) - 16.2 ft/lbs (22Nm)
  

• Timing Chain/Belt Cover to Engine (M10 Bolts) - 34.6 ft/lbs (47Nm)
  

• Camshaft Sprocket-to-Camshaft Bolt (M10 & M30 Engines) - 7.4 ft/lbs (10Nm)
  

• Camshaft Sprocket-to-Camshaft Bolt (M20 & M40 Engines) - 47.9 ft/lbs (65Nm)
  

• Flange to Camshaft (M30 Engine) - 107 ft/lbs (145Nm)
  

• Crankshaft Pulley Bolts - 16.2 ft/lbs (22Nm)
  

• Crankshaft Hub Bolt/Nut (M10 Engine) - 140.2 ft/lbs (190Nm)
  

• Crankshaft Hub Bolt/Nut (M10 Engine) - 302.4 ft/lbs (410Nm)
  

• Crankshaft Hub Bolt/Nut (M10 Engine) - 324.5 ft/lbs (440Nm)
  

• Crankshaft Hub Bolt/Nut (M10 Engine) - 228.8 ft/lbs (310Nm)
  

• Cylinder Head Bolts M10 - 44.2 ft/lbs (60Nm), wait 15mins & tighten additional 33° then another 25° with engine at normal working temperature.
  

• Cylinder Head Bolts M20 (Hex-Head) - 29.5 ft/lbs (40Nm), wait 15mins & tighten to 44.2 ft/lbs (60Nm) then another 25° with engine at normal working temperature.
  

• Cylinder Head Bolts M20 (Torx Head) - 22.1 ft/lbs (30Nm), wait 15mins & tighten additional 90° then another 90° with engine at normal working temperature.
  

• Cylinder Head Bolts M30 (up to & in '87) - 44.2 ft/lbs (60Nm), wait 15mins & tighten additional 33° then another 25° with engine at normal working temperature.
  

• Cylinder Head Bolts M30 (from '88) - 44.2 ft/lbs (60Nm), wait 15mins & tighten to 58.9 ft/lbs (80Nm) then another 35° with engine at normal working temperature.

• Cylinder Head Bolts M40 & M42 - 22.1 ft/lbs (30Nm), wait 15mins & tighten additional 90° then another 90° with engine at normal working temperature.
  

 

 

Intake and Exhaust Manifolds

 

• Intake Manifold to Cylinder Head Bolts (M8 Bolts) - 16.2 ft/lbs (22Nm)
  

• Intake Manifold to Cylinder Head Bolts (M7 Bolts) - 11.1 ft/lbs (15Nm)
  

• Intake Manifold to Cylinder Head Bolts (M6 Bolts) - 7.4 ft/lbs (10Nm)
  

• Exhaust Manifold to Cylinder Head Bolts (M6 Bolts) - 7.4 ft/lbs (10Nm)
  

• Exhaust Manifold to Cylinder Head Bolts (M6 Bolts) - 11.1 ft/lbs (15Nm)

Flywheel & Transmission

• Flywheel Bolts (Manual Transmission) - 77.4 ft/lbs (105Nm)
  

• Flywheel Bolts (Auto Transmission) - 88.4 ft/lbs (120Nm)
  

• Intermediate Shaft Sprocket Bolt (M20 Engine) - 44.2 ft/lbs (60Nm)
  

• Sump to Block Bolts - 6.6 to 8.1 ft/lbs (9 to 11Nm)
  

• Oil Pump Bolts (except M40 Engine) - 16.2 ft/lbs (22Nm)
  

• Oil Pump Sprocket Bolts (M10 & M30 Engines) - 7.4 ft/lbs (10Nm)
  

• Oil Pump Cover Plate to Engine Bolts (M20 & M40 Engines) (M6 Bolts) - 7.4 ft/lbs (10Nm)
  

• Oil Pump Cover Plate to Engine Bolts (M20 & M40 Engines) (M8 Bolts) - 16.2 ft/lbs (22Nm)
  

• Crankshaft Rear Oil Seal Retainer to Block Bolts (M6 Bolts) - 6.6 ft/lbs (9Nm)
  

• Crankshaft Rear Oil Seal Retainer to Block Bolts (M6 Bolts) - 16.2 ft/lbs (22Nm)
  

• Main Bearing Cap to Block Bolts (M40 Engine) - 14.8 ft/lbs (20Nm) then angle-tighten 50°
  

• Main Bearing Cap to Block Bolts (All Other Engines) - 44.2 ft/lbs (60Nm)
  

• Connecting Rod Cap Bolts/Nuts (M10 & M30 Engine) - 40.6 ft/lbs (55Nm)
  

• Connecting Rod Cap Bolts/Nuts (M20 & M40 Engine) - 14.8 ft/lbs (20Nm) then angle-tighten 70°
  

• Camshaft Bearing Caps (M40 Engine) - 7.4 ft/lbs (10Nm)
  

• Intermediate Shaft Sprocket-to-Shaft Bolt (M20 Engine) - 44.2 ft/lbs (60Nm)
  

• Oil Supply Tube bolt(s) (M6 normal & M8 banjo) - 7.4 ft/lbs (10Nm)
  

• Oil Supply Tube bolt(s) (M5) - 3.7 ft/lbs (5Nm)

   

Cooling System

• Drain plug for coolant on engine block - 18.4 ft/lbs (25Nm)
  
• Mechanical Cooling Fan Clutch to Water Pump nut - 29.5 ft/lbs (40Nm)
  
• Mechanical Cooling Fan to Clutch Bolts - 7.4 ft/lbs (10Nm)
  
• Water Pump Bolts (M6 Bolts) - 7.4 ft/lbs (10Nm)
  
• Water Pump Bolts (M8 Bolts) - 16.2 ft/lbs (22Nm)
  
• Thermostat Housing Bolts - 7.4 ft/lbs (10Nm) 

Fueling System

• Carburetor Mountings - 7.4 ft/lbs (10Nm)
  
• Fuel Pump to Cylinder Head - 8.9 ft/lbs (12Nm)
  
• Throttle Body nuts/bolts - 14 to 19.2 ft/lbs (19 to 26Nm)

Transmission

Manual

• Output Shaft Flange Nut (ZF Transmission) - 73.8 ft/lbs (100Nm)
  
• Output Shaft Flange Nut (Getrag Transmission) - 125.4 ft/lbs (170Nm) then loosen completely and then tighten to 88.4 ft/lbs (120Nm)
  
• Transmission to Engine Hex Bolts (M8) - 16.2 to 19.9 ft/lbs (22 to 27Nm)
  
• Transmission to Engine Hex Bolts (M10) - 34.6 to 37.6 ft/lbs (47 to 51Nm)
  
• Transmission to Engine Hex Bolts (M12) - 48.7 to 60.4 ft/lbs (66 to 82Nm)
  
• Transmission to Engine Torx Bolts (M8) - 14.8 to 17.7 ft/lbs (20 to 24Nm)
  
• Transmission to Engine Torx Bolts (M10) - 28 to 34.6 ft/lbs (38 to 47Nm)
  
• Transmission to Engine Torx Bolts (M12) - 47.2 to 59 ft/lbs (64 to 80Nm)
  
• Flywheel Bolts (Manual) - 77.4 ft/lbs (105Nm)
  
• Transmission Rear Support Nut - 16.2 to 17.7 ft/lbs (22 to 24Nm)
  
• Rubber Mountings - 31.7 to 35.4 ft/lbs (43 to 48Nm) 

Auto

• Transmission to Engine Hex Bolts (M8) - 17.7 ft/lbs (24Nm)
  
• Transmission to Engine Hex Bolts (M10) - 33.2 ft/lbs (45Nm)
  
• Transmission to Engine Hex Bolts (M12) - 60.4 ft/lbs (82Nm)
  
• Transmission to Engine Torx Bolts (M8) - 11.5 ft/lbs (15.5Nm)
  
• Transmission to Engine Torx Bolts (M10) - 30.9 ft/lbs (42Nm)
  
• Transmission to Engine Torx Bolts (M12) - 46.4 ft/lbs (63Nm)
  
• Transmission Rear Support to Body - 15.5 ft/lbs (21Nm)
  
• Torque Convertor to Driveplate (M8) - 19.2 ft/lbs (26Nm)
  
• Torque Convertor to Driveplate (M10) - 26.5 ft/lbs (49Nm)
  
• Transmission Reinforcement Plate - 16.9 ft/lbs (23Nm)
  
• Output Shaft Flange Nut - 73.8 ft/lbs (100Nm)
  
• Fluid Cooler Lines - 25.8 ft/lbs (35Nm)
  
• Fluid Filler Tube to Transmission Sump (3 HP 22) - 73.8 to 81 ft/lbs (100 to 110Nm)
  
• Fluid Filler Tube to Transmission Sump (4 HP 22 H/EH) - 72.3 ft/lbs (98Nm)
  
• Flywheel Bolts (Auto) - 88.4 ft/lbs (120Nm)
  
• Automatic Transmission Sump Bolts (3 Speed) - 5.9 to 6.6 ft/lbs (8 to 9Nm)
  
• Automatic Transmission Sump Bolts (4 Speed) - 3.7 to 5.2 ft/lbs (5 to 7Nm)
  
• Auto Transmission Sump Plug - 11.8 ft/lbs (16Nm) 

Clutch & Driveline

• Clutch Master Cylinder Mounting Bolts - 16.2 ft/lbs (22Nm)
  
• Clutch Slave Cylinder Bolts - 16.2 ft/lbs (22Nm)
  
• Pressure Plate to Flywheel Bolts - 17.7 ft/lbs (24Nm)
  
• Prop Shaft: Center UJ Yoke Mounting Bolt - 71.5 ft/lbs (97Nm)
  
• Prop Shaft: Center Bearing Mounting Bolt - 11.5 ft/lbs (21Nm)
  
• Prop Shaft: Splined Section Clamping Sleeve - 7.4 ft/lbs (10Nm)
  
• Prop Shaft: Rear UJ to Final Drive Flange (Nyloc Nut) - 47.2 ft/lbs (64Nm)
  
• Prop Shaft: Rear UJ to Final Drive Flange (Ribbed Nut) - 66.4 ft/lbs (90Nm)
  
• Prop Shaft: Flexi Coupling to Transmission Flange (M10 Bolts, Grade 8.8) - 35.4 ft/lbs (48Nm)
  
• Prop Shaft: Flexi Coupling to Transmission Flange (M10 Bolts, Grade 10.9) - 47.2 ft/lbs (64Nm)
  
• Prop Shaft: Flexi Coupling to Transmission Flange (M12 Bolts, Grade 8.8) - 59.7 ft/lbs (81Nm)
  
• Prop Shaft: Flexi Coupling to Transmission Flange (M12 Bolts, Grade 10.9) - 73.8 ft/lbs (100Nm)
  
• Driveshaft (M10 Bolt without locking teeth) - 61.2 ft/lbs (83Nm)
  
• Driveshaft (M10 Bolt with locking teeth, Allen Type) - 70.8 ft/lbs (96Nm)
  
• Driveshaft (M10 Bolt with locking teeth, Torx Type) - 73.8 ft/lbs (100Nm)
  
• Driveshaft (M8 Bolt with locking teeth) - 47.2 ft/lbs (64Nm)
  
• Driveshaft (M12 Bolts) - 81 ft/lbs (110Nm)
  
• Driveshaft Nut - 147.4 ft/lbs (200Nm)
  
• Pinion Shaft Flange Nut (M20 Bolts) - 107 ft/lbs (185Nm) MAX
  
• Pinion Shaft Flange Nut (M22 Bolts) - 154.9 ft/lbs (210Nm) MAX 

Braking

• Front Caliper guide (mounting) Bolts - 22.1 to 25.8 ft/lbs (30 to 35Nm)
  
• Front Caliper Bracket to Strut Housing Bolts - 90.7 ft/lbs (123Nm)
  
• Rear Caliper guide (mounting) Bolts - 22.1 to 25.8 ft/lbs (30 to 35Nm)
  
• Rear Caliper Bracket to Trailing Arm Bolts - 49.4 ft/lbs (67Nm)
  
• Brake Hose to Caliper Fitting - 10.3 to 12.5 ft/lbs (14 to 17Nm)
  
• Master Cylinder to Servo Nuts - 17.7 ft/lbs (24Nm)
  
• Brake Servo Mounting Nuts - 16.2 to 17.7 ft/lbs (22 to 24Nm)
  
• Wheel Bolts - 73.8 ft/lbs (100Nm) 

Suspension

Front Suspension

• Strut Damper Rod Nut (External Hex) - 47.9 ft/lbs (65Nm)
  

• Strut Damper Rod Nut (Internal Hex) - 32.5 ft/lbs (44Nm)
  

• Strut Cartridge Threaded Collar - 95.9 ft/lbs (130Nm)
  

• Strut Upper Mounting Nuts - 16.2 ft/lbs (22Nm)
  

• Front Control Arm to Steering Knuckle Balljoint Nut - 47.2 ft/lbs (64Nm)
  

• Front Control Arm to Subframe Balljoint Nut - 61.2 ft/lbs (83Nm)
  

• Front Control Arm Bush Bracket Bolts - 30.2 ft/lbs (41Nm)
  

• Front Hub Nut - 213.8 ft/lbs (290Nm)
  

• Anti-roll Bar to Connecting Link Bolt - 30.2 ft/lbs (41Nm)
  

• Anti-roll Bar Mounting Brackets to Subframe - 16.2 ft/lbs (22Nm)
  

• Anti-roll Bar Connecting Link to Bracket - 16.2 ft/lbs (22Nm)
  

• Anti-roll Bar Connecting Link Bracket to Control Arm - 30.2 ft/lbs (41Nm)

Rear Suspension

• Rear Shock Absorber to Upper Mounting Bracket - 8.9 to 11 ft/lbs (12 to 15Nm)
  
• Trailing Arm to Lower Mounting - 52.4 to 62.7 ft/lbs (71 to 85Nm)
  
• Trailing Arm to Anti-roll Bar - 16.2 to 17 ft/lbs (22 to 23Nm)
  
• Rear Hub Nut - 183.8 ft/lbs (249Nm) (M3 is 221 ft/lbs, 300Nm) 

Steering System

• Steering Wheel Retaining Nut - 58.2 ft/lbs (79Nm)
  
• Steering Column Universal Joint Pinch Bolt - 16.2 ft/lbs (22Nm)
  
• Steering Gear to Subframe Mounting Bolts - 30.2 ft/lbs (41Nm)
  
• Track Rod End to Steering Arm Nut - 27.3 ft/lbs (37Nm)
  
• Track Rod End Clamping Bolt - 10.3 ft/lbs (14Nm)
  
• Steering Linkage Balljoints - 27.3 ft/lbs (37Nm)