Home/Torque Specs/BMW/3 Series F30/2012-2018 2.0L I4 Turbo N20/Crankshaft R&R

Crankshaft R&R Torque Specifications

2012-2018 BMW 3 Series F30 2.0L I4 Turbo N20

Labor Time:17.9 hours

🔧 Torque Values25 specifications

Component	lb-ft	Nm	Notes
⚠️ Connecting Rod Bolts	33	45	TTY - critical torque plus angle
Cover Bolts	12	16	—
⚠️ Crankshaft Pulley Bolt	133	180	Often TTY - check spec, may require impact
⚠️ Cylinder Head Bolts	48	65	TTY - tighten in sequence plus angle
Electrical Connector Bolts	5	7	—
⚠️ Flexplate Bolts	63	85	Automatic transmissions
⚠️ Flywheel Bolts	70	95	Often TTY, tighten in star pattern
⚠️ Front Main Seal Housing	9	12	—
⚠️ Gasket Bolts	15	20	—
⚠️ Gasket Surface Bolts	15	20	Clean mating surfaces
⚠️ Harmonic Balancer Bolt	133	180	Often TTY, may need impact
⚠️ Main Bearing Cap Bolts	55	75	TTY - tighten in sequence plus angle
⚠️ Mounting Bolts	35	47	—
⚠️ Oil Drain Plug	26	35	Use new crush washer
⚠️ Oil Pan Bolts	9	12	Tighten in sequence
⚠️ Oil Pump Bolts	9	12	—
⚠️ Oil Pump Pickup Tube	9	12	—
⚠️ Rear Main Seal Housing	9	12	—
Sensor Bolts	8	11	—
Sensor Mounting Bolts	8	11	—
⚠️ Timing Chain Guide Bolts	9	12	Replace if worn
⚠️ Timing Chain Tensioner Bolt	18	25	Install with pin/clip to compress
⚠️ Timing Cover Bolts - 10mm	33	45	Tighten in sequence
⚠️ Timing Cover Bolts - 8mm	18	25	Tighten in sequence
⚠️ Transmission-to-Engine Bolts	41	55	—

⚠️ = Critical torque value | Always verify with vehicle-specific service manual

⚠️ Some critical specs are estimated. Please verify sequence.

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Crankshaft R&R Torque Specs on Other Vehicles

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1990-1997 4.6L V8 Modular

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2007-2012 3.7L I5

Ford F-250 Super Duty

2011-2016 6.7L V8 Power Stroke Diesel

Honda Civic

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Audi TT

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Mitsubishi Eclipse GSX

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Common Questions

What is the torque spec for crankshaft r&r on a 2012-2018 BMW 3 Series F30?

The primary torque specification for crankshaft r&r on a 2012-2018 BMW 3 Series F30 is 45 Nm (33 lb-ft). Note: TTY - critical torque plus angle

How many torque specs are there for BMW 3 Series F30 crankshaft r&r?

There are 25 torque specifications for crankshaft r&r on the 2012-2018 BMW 3 Series F30 2.0L I4 Turbo N20, covering all related fasteners and components.

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