2020 BMW 745LE Engine Parts

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

This group shows a single part: AJUSA 54302500.

This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

KING ENGINE BEARINGS supplies both parts for the 2020 BMW 745LE.

This group includes KING ENGINE BEARINGS MB7779SM and KING ENGINE BEARINGS MB7779MC.

This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

AJUSA supplies both parts for the 2020 BMW 745LE.

Part numbers include AJUSA 15075200 and AJUSA 15107900.

This table covers the bolts that clamp the cylinder head to the block. Read more

This group shows a single part: AJUSA 81069200.

This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

4 Cylinder Head Gasket parts for the 2020 BMW 745LE come from 2 brands — AJUSA and ELRING.

Listed part numbers: AJUSA 10248900, AJUSA 10248910 and ELRING 793491, plus the other parts above.

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

This group shows a single part: AJUSA 52561500.

This table covers the block heaters that warm the coolant or oil in cold weather. Read more

One part is listed for the 2020 BMW 745LE — KAT'S HEATERS 28400.

This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

This group shows a single part: AJUSA 50515000.

This table covers the Harmonic Balancer bolts. Read more

One part is listed for the 2020 BMW 745LE — REIN HWB0074.

This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: AJUSA 13313000.

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

PENTOSIN supplies the 4 Oil parts for the 2020 BMW 745LE.

Part numbers include PENTOSIN 8044317, PENTOSIN 8044319 and PENTOSIN 8044308, among others listed above.

This table covers the heat exchangers that cool engine oil. Typical signs include oil at the cooler fittings, or coolant that looks like a milkshake. Pressure-test both circuits after a cooler swap — a leak here mixes oil and coolant. Read more

One part is listed for the 2020 BMW 745LE — REIN ECK0273.

This table covers the gaskets that seal the Oil Cooler. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

2 Oil Cooler Gasket parts for the 2020 BMW 745LE come from AJUSA.

Listed part numbers: AJUSA 77010300 and AJUSA 77010400.

This table covers the drain plugs in the oil pan. Read more

3 Oil Drain Plug parts are listed for the 2020 BMW 745LE, from AGS, DORMAN and REIN.

Listed part numbers: AGS ODP00010, DORMAN 090088 and REIN HWU1041.

This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: AJUSA 21010400.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

5 Oil Filter parts are listed for the 2020 BMW 745LE, from MOBIL, MAHLE / CLEVITE, ACDELCO and 2 other brands. MAHLE / CLEVITE OX1146D carries the "Popular" badge.

In the High Performance / Heavy Duty grade, MOBIL supplies 1 part: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1C457A.

The Standard Replacement section lists 4 options from MAHLE / CLEVITE, ACDELCO, HASTINGS / BALDWIN and 1 other brand — built to original-equipment specification. MAHLE / CLEVITE OX1146D is listed in this group.

Part numbers include MAHLE / CLEVITE OX1146D, MOBIL M1C457A and ACDELCO PF696G, among others listed above.

This table covers the Oil Filter covers. Read more

This group shows a single part: VAICO V202772.

This table covers the Oil Filter housings. Read more

3 Oil Filter Housing parts for the 2020 BMW 745LE come from 2 brands — VEMO and HENGST.

Listed part numbers: HENGST H811H, VEMO V20601662 and VEMO V20600098.

This table covers the Oil Level Sensor Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

One part is listed for the 2020 BMW 745LE — ELRING 078500.

This table covers the chains that drive the oil pump. Read more

This group shows a single part: VAICO V203921.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

One part is listed for the 2020 BMW 745LE — VAICO V2010026.

This table covers the turbochargers that compress intake air. Read more

One part is listed for the 2020 BMW 745LE — BORG-WARNER 18559880115.

This table covers the Turbocharger Boost sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

This group shows a single part: WELLS 5S14741.

This table covers the Turbocharger Coolant lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early. Read more

REIN supplies both parts for the 2020 BMW 745LE.

This group includes REIN CHT0972 and REIN CHT0971.

This table covers the gaskets that seal the Turbocharger. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: AJUSA JTC12513.

This table covers the fasteners that mount the turbocharger. Read more

This group shows a single part: REIN TRK0024.

This table covers the Valve covers. Read more

2 Valve Cover parts for the 2020 BMW 745LE come from 2 brands — SKP and VAICO.

Part numbers include SKP SK743462 and VAICO V205366.

This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

One part is listed for the 2020 BMW 745LE — AJUSA 56080600.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

One part is listed for the 2020 BMW 745LE — AJUSA 85022300.

This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

AJUSA supplies the 3 Valve Stem Seal parts for the 2020 BMW 745LE.

Listed part numbers: AJUSA 57051500, AJUSA 12027900 and AJUSA 12028200.

This table covers the seals at the Variable Valve Timing (VVT) Solenoid Gasket. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

This group shows a single part: AJUSA 01907000.