BMW K75 [51/236] Dismantling the engine unit preliminaries and general procedures

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Chapter 1 Engine 4 11 Ignition HT coil cover is retained by four Allen screws 100 models 4 13a Make a written note of connections before disconnecting ignition HT coil leads 4 13b Check that all wires are disconnected between engine transmission and frame note speedometer impulse transmitter wires 4 13c and ignition trigger assembly wires 51 5 Dismantling the engine unit preliminaries and general procedures Preliminary dismantling 4 13d Coolant temperature sensor connector is secured by a wire clip 1 If the engine transmission unit has been removed as a single unit withdraw the alternator and starter motor see Chapter 10 and separate the gearbox and final drive see Chapter 3 from the bellhousing noting that it will be necessary to remove the stand assembly to reach the two lowest gearbox bellhousing retaining screws There is no need to separate the final drive from the gearbox Dismantle the clutch as described in Chapter 2 2 As described in Chapter 5 remove the top half of the air filter assembly with the engine wiring harness attached to it disconnect the loom from all other electrical components Withdraw the air filter element and the air cleaner bottom half the fuel rail and injectors the plenum chamber and crankcase breather the throttle bodies and intake stubs and the EECS pressure relief valve and hoses where fitted 3 Remove the coolant hose stub See Chapter 4 4 Remove the ignition HT coils noting carefully where the HT leads are connected see Chapter 6 Remove the spark plugs and HT leads as described in Routine Maintenance 5 If necessary remove the sump oil pan and pump pick up as

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