THE imBourj GARAGEQUICK REFERENCE

TORQUE
SPECS.

A growing reference for torque values I have confirmed while working on my 2014 BMW 435i—kept separate from the step-by-step garage checklists.

2014 BMW 435i
N55 · 6MT · RWD
01 / ENGINE · MAINTENANCE

Oil change

BMW N55
FastenerTorqueImperialInstallation note
Oil drain bolt27 Nm20 lb-ft

Use a new sealing washer or approved drain-plug seal.

Oil-filter housing cap25 Nm18 lb-ft

Install the O-ring in the correct cap groove and lubricate it with clean oil.

02 / ENGINE · IGNITION

Spark plugs

BMW N55
FastenerTorqueImperialInstallation note
Spark plugs23 Nm17 lb-ft

Install on a cool engine. Gap to 0.020 in or 0.022 in as required for the tune and plug combination.

03 / ENGINE · LOWER END

Oil pan & rod bearings

BMW N55
FastenerTorqueImperialInstallation note
Oil-pan bolts, M8 × 28 (short)8 Nm + 90°71 lb-in + 90°

Aluminum torque-to-yield fastener. Replace after removal and follow the BMW tightening sequence.

Oil-pan bolts, M8 × 92 / M8 × 112 (long)8 Nm + 180°71 lb-in + 180°

Aluminum torque-to-yield fastener. Sort bolts by length—do not apply 180° to the short bolts.

Windage tray / oil-suction plate bolts4 Nm + 90°35 lb-in + 90°

Aluminum torque-to-yield fastener. Replace after removal; the low initial torque is intentional.

Connecting-rod bolts20 Nm + 70°15 lb-ft + 70°

One-time-use bolts. Complete the final angle in one continuous turn using the procedure for the selected bolts.

04 / ENGINE · MOUNTS

Engine mounts

BMW F32 · N55
FastenerTorqueImperialInstallation note
Engine mount to front subframe, M819 Nm14 lb-ft

Settle the engine fully onto the mounts before final tightening.

Engine mount to engine support arm, M10 nut56 Nm41 lb-ft

Inspect the fastener and replace it when directed by the repair procedure.

Engine support arm to engine, M1266 Nm49 lb-ft

Confirm the support arm is correctly seated before tightening.

05 / DRIVETRAIN · MOUNTS

Transmission mounts

BMW F32 · 6MT
FastenerTorqueImperialInstallation note
Transmission mount to crossmember, M819 Nm14 lb-ft

Normally reusable if undamaged; confirm against the exact replacement mount instructions.

Transmission crossmember to body, M819 Nm14 lb-ft

Support and align the transmission before final tightening.

Mounting bracket to transmission, M1048 Nm35 lb-ft

Normally reusable if undamaged; start all bracket fasteners by hand.