| Remove negative lead from battery. |
 |
| Disconnect Air Flow Meter (blue arrow) and loosen intake boot clamp
(yellow arrow). Loosen both 10mm nuts (green arrows) and lift out air box assembly. |
 |
| Remove accessory belts. |
| Remove adjusting and pivot bolts from alternator and move alternator
aside. |
 |
| Remove the two 13mm bolts securing alternator bracket to front of engine,
and the 17mm bolt securing the bracket to the side of the cylinder block (not pictured). |
 |
| Remove bolts from power steering pump and place to the side,
do not disconnect the hoses. |
| Remove reinforcement plate from rear of oil pan, at transmission. |
 |
| Drain engine oil |
| Drain coolant from cylinder block, drain is located on the right side of
the block, behind the exhaust manifold. |
 |
Remove the eighteen 10mm lower oil pan bolts. |
 |
Remove lower oil pan. |
| Remove the three 10mm bolts connecting upper oil pan and lower timing
cover. |
 |
| Loosen the rest of the upper oil pan bolts. |
| Lock flywheel with BMW special tool 11 2 100 or a large
screwdriver. |
| Remove nut from the crank pulley, slide pulley off evenly. Pulley fit is
a very tight tolerance, it must be removed evenly or will jam. If you pry it, do so from
opposite sides at the same time, this will keep it even. |
 |
| Remove the timing chain tensioner plug from the right side of the
cylinder head. Place a rag on the A/C compressor to catch the oil that will be released
when the tensioner plug is removed. |
 |
CAUTION: Plug is under considerable spring tension !
|
| Remove tensioner spring and piston. |
| Remove the water pump. |
| Remove the 2 bolts joining the cylinder head and lower timing cover. |
 |
| Remove the remaining bolts retaining the lower cover to the
cylinder block. |
| Free the oil pan gasket from the lower timing cover with a
knife or similar narrow instrument. |
| If gasket is damaged, remove upper oil
pan and replace gasket. |
| Remove lower timing cover. |
Installation
|
| Replace front crank seal and timing cover gaskets. |
| Apply a small amount of silicone sealer to the points where
the oil pan , cylinder block and timing cover meet, also where the timing cover meets the
cylinder head. |
| Tighten cover bolts to correct torque |
