2021 BMW 745LE Xdrive 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

One part is listed for the 2021 BMW 745LE Xdrive — 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

2 Crankshaft Main Bearing parts for the 2021 BMW 745LE Xdrive come from KING ENGINE BEARINGS.

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

2 Crankshaft Seal parts for the 2021 BMW 745LE Xdrive come from AJUSA.

This group includes AJUSA 15075200 and AJUSA 15107900.

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

One part is listed for the 2021 BMW 745LE Xdrive — 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

AJUSA supplies both parts for the 2021 BMW 745LE Xdrive.

Part numbers include AJUSA 10248900 and AJUSA 10248910.

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

One part is listed for the 2021 BMW 745LE Xdrive — AJUSA 52561500.

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

One part is listed for the 2021 BMW 745LE Xdrive — AJUSA 50515000.

This table covers the Harmonic Balancer bolts. Read more

This group shows a single part: 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

One part is listed for the 2021 BMW 745LE Xdrive — 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

4 Oil parts for the 2021 BMW 745LE Xdrive come from PENTOSIN.

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

This group shows a single part: 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

AJUSA supplies both parts for the 2021 BMW 745LE Xdrive.

This group includes AJUSA 77010300 and AJUSA 77010400.

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

2 Oil Drain Plug parts for the 2021 BMW 745LE Xdrive come from 2 brands — DORMAN and REIN.

This group includes 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

One part is listed for the 2021 BMW 745LE Xdrive — 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

8 Oil Filter parts for the 2021 BMW 745LE Xdrive come from 8 brands — FVP, PRO-TEC, MOBIL and 5 other brands. The "Popular" part is MAHLE / CLEVITE OX1146D.

The Economy section lists 2 options from FVP and PRO-TEC — the catalog's value-priced group. FVP G0342 is listed in this group.

The High Performance / Heavy Duty section lists 1 option from MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1C457A is listed in this group.

In the Standard Replacement grade, MAHLE / CLEVITE, MANN, HASTINGS / BALDWIN and 2 other brands supply 5 parts: built to original-equipment specification. A representative part number is MAHLE / CLEVITE OX1146D.

Listed part numbers: MAHLE / CLEVITE OX1146D, FVP G0342 and PRO-TEC PXL10342, plus the other parts above.

This table covers the Oil Filter housings. Read more

One part is listed for the 2021 BMW 745LE Xdrive — HENGST H811H.

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

2 Turbocharger Coolant Line parts for the 2021 BMW 745LE Xdrive come from REIN.

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

One part is listed for the 2021 BMW 745LE Xdrive — AJUSA JTC12513.

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

One part is listed for the 2021 BMW 745LE Xdrive — REIN TRK0024.

This table covers the Turbocharger Oil 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

3 Turbocharger Oil Line parts for the 2021 BMW 745LE Xdrive come from 2 brands — REIN and AJUSA.

Listed part numbers: AJUSA OP11237, REIN TFP0393 and REIN TRP0391.

This table covers the Valve covers. Read more

One part is listed for the 2021 BMW 745LE Xdrive — SKP SK743462.

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

This group shows a single part: AJUSA 56080600.

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

This group shows a single part: 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

3 Valve Stem Seal parts for the 2021 BMW 745LE Xdrive come from AJUSA.

Part numbers include AJUSA 57051500, AJUSA 12027900 and AJUSA 12028200.

This table covers the oil-control solenoids that command the cam phasers. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

This group shows a single part: GATES VVS229.

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

One part is listed for the 2021 BMW 745LE Xdrive — AJUSA 01907000.