Removal & Installation: Engine: Removal
- Remove transmission. Remove engine splash guard. Release hinge at hood, and prop hood open past center position. Disconnect negative battery cable. Battery is located in trunk.
- Remove air cleaner/air mass sensor assembly. Pull off hoses for idle speed control valve and crankcase breather.
- Remove alternator air intake duct. Remove side rivets, and pull out radiator cooling fan cowl. Using Pulley Holder (11-5-030) and 32-mm Wrench (11-5-040), turn cooling fan nut clockwise to remove cooling fan.
- Drain engine coolant. Disconnect radiator hoses, coolant level switch and transmission oil cooler lines (if equipped) from radiator. Disconnect A/C temperature switch from side of radiator. Remove clips and radiator.
- Disconnect coolant hoses from heater control valve and heater at engine compartment firewall. Remove electrical lead along fresh air intake duct. Remove fresh air intake duct. Disconnect throttle cable, and pull out cable together with rubber retainer.
- Disconnect vacuum hose from power brake booster. Remove oil filler cap and engine covers. See Fig 1.
Courtesy of BMW OF NORTH AMERICA, INC.
- Remove ground strap from timing case cover. Remove ignition coil cover plate. Disconnect wiring from ignition coils, and remove plate together with wiring.
- Detach hose at cylinder head breather vent. Disconnect wiring at air temperature sensor. Disconnect wiring, vacuum hoses and fuel lines at throttle body. Disconnect vacuum hose from idle speed control valve (on manifold).
- Disconnect hoses from fuel lines at engine carrier. Remove support brackets for intake manifold. Remove intake manifold from cylinder head. Disconnect wiring from temperature gauge, temperature sensor, oil pressure switch and idle speed control valve.
- Disconnect wiring from cylinder identifying sensor and DME pulse sensor. Disconnect wiring from starter and alternator. Remove screws and wiring harness duct. Set wiring harness aside.
- Note serpentine belt routing. Insert socket into drive belt tensioner bolt. Compress tensioner by slowly rotating socket clockwise, and remove drive belt.
- Remove bolts and power steering pump from engine. DO NOT disconnect power steering lines. Remove bolts and power steering pump oil supply tank. Hang power steering pump and oil tank aside.
- Insert socket into A/C compressor drive belt tensioner. Compress tensioner by slowly rotating socket clockwise, and remove A/C compressor drive belt. Remove 4 bolts and A/C compressor. DO NOT disconnect refrigerant lines.
- Attach Engine Lifting Device (11-0-020) to engine lift points. Remove ground strap and right engine mount. Remove left engine mount nut. Remove engine from vehicle.