Oil pan, Upper, remove and install

# Oil pan, upper, remove and install. S14

Remove splash shield from below front of engine. |
Drain engine oil, pull out oil dip stick.
Remove the eighteen 10mm pan bolts |
Remove lower pan from engine, take care as some oil will still be in pan. |
Remove reinforcement plate located at the rear of the oil pan, bolted to the transmission. |
Additional clearance for upper pan removal can be gained by removing oil pump. Remove the 17mm nut securing gear to oil pump, slide gear off shaft and remove. |
Unscrew the two 13mm bolts retaining the oil pump to the cylinder block Upper oil pan has been removed for clarity of photographs only. Pump can be removed without removal of upper oil pan. |
Remove oil pump and any shims located between pump and block. |
Remove ground lead (green arrow) and bleed hose (blue arrow) from top right of upper oil pan. |
Remove the 17mm nut from the bottom of each engine mount. Loosen the nut on top of the left mount. |
Raise engine with appropriate support attached to lifting point on alternator bracket. |
Remove the twenty one 10mm bolts, including the six located inside the oil pan, and remove upper oil pan. |

### Installation

Clean sealing surfaces and replace gasket. |
Use silicone sealer on lower timing cover and rear seal carrier where they meet the cylinder block. |
In order to aid lining up the upper oil pan gasket, use four of the long lower oil pan bolts through the upper pan and gasket. This will keep gasket aligned while installing correct bolts in other holes. Remove the four long bolts after all other bolts have been installed. |
Adjust oil pump chain by installing or removing shims. Chain should have approximately 10mm (3/8") of sideways movement. |

### Torques :

Upper and lower oil pan bolts with Loctite #270 | : | 10 Nm (7 ft lbs.)
Engine mount nuts | : | 45 Nm (32.5 ft lbs.)

### Part Numbers :

Lower oil pan gasket | : | 11 13 1 727 983
Upper oil pan gasket | : | 11 13 1 727 974
Oil pump shim, 0.1mm | : | 11 41 1 250 427
Oil pump shim, 0.3mm | : | 11 41 1 250 428

E30 M3 Repair Manual V2.7. Copyright ©1999-2001 Koala Motorsport & Brett Anderson