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BMW
850i E31
1991
Engine
Back to 1991 BMW 850i E31
1991 BMW 850i E31
Engine Labor Times
71 published engine jobs for the 1991 BMW 850i E31. Select a job for the full estimate.
Engine Jobs
Boost Pressure Sensor
9 h
Camshaft Position Sensor
5.0L V12 M70: 1.4 h · 50L V12: 7.5 h
1.4 - 7.5 h
Camshaft R&R
5.0L V12 M70: 10.8 h · 50L V12: 5.8 h
5.8 - 10.8 h
Connecting Rod Bearings
5.0L V12 M70: 20.2 h · 50L V12: 3.3 h
3.3 - 20.2 h
Crankshaft Position Sensor
5.0L V12 M70: 1.4 h · 50L V12: 3.6 h
1.4 - 3.6 h
Crankshaft R&R
5.0L V12 M70: 27 h · 50L V12: 6.6 h
6.6 - 27 h
Cylinder Head R&R
5.0L V12 M70: 8.1 h · 50L V12: 6.1 h
6.1 - 8.1 h
Cylinder Head Resurface
5.0L V12 M70: 10.8 h · 50L V12: 9.1 h
9.1 - 10.8 h
Engine Mount - Front
5.0L V12 M70: 2 h · 50L V12: 5.3 h
2 - 5.3 h
Engine Mount - Rear
5.0L V12 M70: 2 h · 50L V12: 5 h
2 - 5 h
Engine Mounts - All
5.0L V12 M70: 5.4 h · 50L V12: 9.5 h
5.4 - 9.5 h
Engine R&R
5.0L V12 M70: 13.5 h · 50L V12: 3.5 h
3.5 - 13.5 h
Engine Rebuild
5.0L V12 M70: 33.8 h · 50L V12: 6.4 h
6.4 - 33.8 h
Exhaust Manifold
5.0L V12 M70: 4.1 h · 50L V12: 3.4 h
3.4 - 4.1 h
Exhaust Manifold Gasket
5.0L V12 M70: 3.4 h · 50L V12: 9.6 h
3.4 - 9.6 h
Flexplate
5.0L V12 M70: 6.8 h · 50L V12: 6.7 h
6.7 - 6.8 h
Flywheel
6.5 h
Freeze Plug - Single
5.0L V12 M70: 4.1 h · 50L V12: 4.8 h
4.1 - 4.8 h
Freeze Plugs - All
5.0L V12 M70: 10.8 h · 50L V12: 10.7 h
10.7 - 10.8 h
Front Main Seal
5.0L V12 M70: 5.4 h · 50L V12: 8.9 h
5.4 - 8.9 h
Harmonic Balancer
5.0L V12 M70: 2.7 h · 50L V12: 8.1 h
2.7 - 8.1 h
Head Gasket - Single
5.0L V12 M70: 16.2 h · 50L V12: 7.6 h
7.6 - 16.2 h
Head Gaskets - Both
5.0L V12 M70: 24.3 h · 50L V12: 3.1 h
3.1 - 24.3 h
Idle Air Control Valve
5.0L V12 M70: 1.1 h · 50L V12: 8.1 h
1.1 - 8.1 h
Idler Pulley
5.0L V12 M70: 1.1 h · 50L V12: 3.9 h
1.1 - 3.9 h
Intake Manifold
5.0L V12 M70: 4.1 h · 50L V12: 6.1 h
4.1 - 6.1 h
Intake Manifold Gasket
5.0L V12 M70: 4.1 h · 50L V12: 10.4 h
4.1 - 10.4 h
Knock Sensor
5.0L V12 M70: 2.7 h · 50L V12: 7.9 h
2.7 - 7.9 h
Lifter - Single
5.0L V12 M70: 5.4 h · 50L V12: 9.7 h
5.4 - 9.7 h
Lifters/Tappets - All
5.0L V12 M70: 8.1 h · 50L V12: 10.7 h
8.1 - 10.7 h
Long Block Replacement
5.0L V12 M70: 16.2 h · 50L V12: 10.7 h
10.7 - 16.2 h
Main Bearings
5.0L V12 M70: 24.3 h · 50L V12: 5.2 h
5.2 - 24.3 h
Manifold Absolute Pressure Sensor
5.0L V12 M70: 0.7 h · 50L V12: 5.1 h
0.7 - 5.1 h
Mass Air Flow Sensor
5.0L V12 M70: 0.4 h · 50L V12: 4 h
0.4 - 4 h
Oil Level Sensor
5.0L V12 M70: 1.1 h · 50L V12: 4.3 h
1.1 - 4.3 h
Oil Pan Gasket
5.0L V12 M70: 5.4 h · 50L V12: 7.5 h
5.4 - 7.5 h
Oil Pan Replacement
5.0L V12 M70: 6.1 h · 50L V12: 8.7 h
6.1 - 8.7 h
Oil Pressure Sensor
5.0L V12 M70: 0.7 h · 50L V12: 9.7 h
0.7 - 9.7 h
Oil Pump
5.0L V12 M70: 8.1 h · 50L V12: 8.9 h
8.1 - 8.9 h
PCV Valve
5.0L V12 M70: 0.4 h · 50L V12: 9.1 h
0.4 - 9.1 h
Piston - Single
5.0L V12 M70: 24.3 h · 50L V12: 3.8 h
3.8 - 24.3 h
Piston Rings - All
5.0L V12 M70: 27 h · 50L V12: 4 h
4 - 27 h
Pistons - All
5.0L V12 M70: 29.7 h · 50L V12: 7.6 h
7.6 - 29.7 h
Rear Main Seal
5.0L V12 M70: 6.8 h · 50L V12: 6.4 h
6.4 - 6.8 h
Rocker Arms - All
5.0L V12 M70: 4.1 h · 50L V12: 6.8 h
4.1 - 6.8 h
Serpentine Belt
5.0L V12 M70: 0.7 h · 50L V12: 5 h
0.7 - 5 h
Serpentine Belt Tensioner
5.0L V12 M70: 1.4 h · 50L V12: 10.8 h
1.4 - 10.8 h
Short Block Replacement
5.0L V12 M70: 20.2 h · 50L V12: 8.7 h
8.7 - 20.2 h
Supercharger
5.7 h
Throttle Body
5.0L V12 M70: 1.4 h · 50L V12: 10.9 h
1.4 - 10.9 h
Throttle Position Sensor
5.0L V12 M70: 0.7 h · 50L V12: 10.4 h
0.7 - 10.4 h
Timing Belt
10.8 h
Timing Belt Kit
4.8 h
Timing Belt Tensioner
7.4 h
Timing Chain
5.0L V12 M70: 10.8 h · 50L V12: 9.9 h
9.9 - 10.8 h
Timing Chain Guide
5.0L V12 M70: 9.5 h · 50L V12: 4.6 h
4.6 - 9.5 h
Timing Chain Kit
5.0L V12 M70: 12.2 h · 50L V12: 4.5 h
4.5 - 12.2 h
Timing Chain Tensioner
5.0L V12 M70: 8.1 h · 50L V12: 3.5 h
3.5 - 8.1 h
Transmission Mount
5.0L V12 M70: 1.4 h · 50L V12: 5.5 h
1.4 - 5.5 h
Turbo Wastegate Actuator
5.1 h
Turbocharger
5.3 h
Valve Adjustment
5.0L V12 M70: 2.7 h · 50L V12: 4.3 h
2.7 - 4.3 h
Valve Cover Gasket - Single
5.0L V12 M70: 2 h · 50L V12: 5.5 h
2 - 5.5 h
Valve Cover Gaskets - Both
5.0L V12 M70: 3.4 h · 50L V12: 10.3 h
3.4 - 10.3 h
Valve Job - Complete
5.0L V12 M70: 13.5 h · 50L V12: 10.9 h
10.9 - 13.5 h
Valve Seals
5.0L V12 M70: 10.8 h · 50L V12: 4.6 h
4.6 - 10.8 h
Valve Spring - Single
5.0L V12 M70: 4.1 h · 50L V12: 6.3 h
4.1 - 6.3 h
Valve Springs - All
5.0L V12 M70: 8.1 h · 50L V12: 8.3 h
8.1 - 8.3 h
Variable Valve Timing Actuator
5.0L V12 M70: 4.1 h · 50L V12: 8.4 h
4.1 - 8.4 h
VVT Solenoid - Single
5.0L V12 M70: 1.4 h · 50L V12: 7.6 h
1.4 - 7.6 h
VVT Solenoids - All
5.0L V12 M70: 2.7 h · 50L V12: 4.5 h
2.7 - 4.5 h