2021 BMW M240I 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

4 Conversion / Lower Gasket Set parts for the 2021 BMW M240I come from 2 brands — ELRING and AJUSA.

Part numbers include AJUSA 54265400, ELRING 794720 and ELRING 794700, among others listed above.

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 2021 BMW M240I.

Part numbers include 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

10 Crankshaft Seal parts are listed for the 2021 BMW M240I, from ELRING, VICTOR REINZ and MAHLE / CLEVITE. ELRING 902860 carries the "Popular" badge.

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

5 Cylinder Head Bolt parts for the 2021 BMW M240I come from 3 brands — ELRING, AJUSA and VICTOR REINZ. The "Popular" part is ELRING 233380.

Part numbers include ELRING 233380, AJUSA 81069200 and ELRING 702230, among others listed above.

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

9 Cylinder Head Gasket parts for the 2021 BMW M240I come from 3 brands — ELRING, AJUSA and MAHLE / CLEVITE. The "Popular" part is ELRING 298551.

This group includes ELRING 298551, ELRING 793491 and AJUSA 10230610 and the remaining 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

5 Cylinder Head Gasket Set parts for the 2021 BMW M240I come from 3 brands — ELRING, AJUSA and MAHLE / CLEVITE. The "Popular" part is ELRING 702620.

This group includes ELRING 702620, AJUSA 52505800 and ELRING 794710 and the remaining parts above.

This table covers the Cylinder Head temperature sensors. Typical signs include hard cold starts, a fan that never comes on, or a gauge that disagrees with the scan tool. A sensor that reads open or shorted is usually the part; an implausible-but-smooth reading can be wiring. Read more

One part is listed for the 2021 BMW M240I — WELLS 5S16785.

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 50455400.

This table covers the Harmonic Balancer bolts. Read more

One part is listed for the 2021 BMW M240I — 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

5 Intake Manifold Gasket parts for the 2021 BMW M240I come from 3 brands — ELRING, MAHLE / CLEVITE and VICTOR REINZ. The "Popular" part is MAHLE / CLEVITE MS20465.

Part numbers include MAHLE / CLEVITE MS20465, ELRING 076500 and ELRING 546900, among others listed above.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

11 Motor Mount parts are listed for the 2021 BMW M240I, from ANCHOR, PIONEER, WESTAR and 1 other brand. ÜRO PARTS 22116855460 carries the "Popular" badge.

In the Economy grade, ÜRO PARTS supplies 1 part: the catalog's value-priced group. A representative part number is ÜRO PARTS 22116855460.

The Standard Replacement section lists 10 options from ANCHOR, PIONEER and WESTAR — built to original-equipment specification. ANCHOR 9983 is listed in this group.

This table covers the Motor Mount kits. Read more

ANCHOR supplies both parts for the 2021 BMW M240I.

Listed part numbers: ANCHOR 300485 and ANCHOR 300481.

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

7 Oil parts are listed for the 2021 BMW M240I, from LIQUI MOLY, PENTOSIN, MOBIL and 1 other brand. LIQUI MOLY 22044 carries the "Popular" badge.

This group includes LIQUI MOLY 22044, LIQUI MOLY 22046 and LIQUI MOLY 22048 and the remaining parts 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

5 Oil Cooler parts are listed for the 2021 BMW M240I, from NISSENS, ÜRO PARTS, REIN and 1 other brand. ÜRO PARTS 11428583901 carries the "Popular" badge.

This group includes ÜRO PARTS 11428583901, NISSENS 91359 and NISSENS 91487 and the remaining parts above.

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

5 Oil Cooler Gasket parts for the 2021 BMW M240I come from 3 brands — ELRING, AJUSA and MAHLE / CLEVITE. The "Popular" part is ELRING 596450.

This group includes ELRING 596450, AJUSA 77010300 and ELRING 784680 and the remaining parts above.

This table covers the seals at the Oil Dipstick / Tube. 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: ELRING 748935.

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

4 Oil Drain Plug parts are listed for the 2021 BMW M240I, from ELRING, DORMAN and REIN.

This group includes DORMAN 090088, ELRING 455740 and ELRING 427210 and the remaining parts above.

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

3 Oil Drain Plug Gasket parts for the 2021 BMW M240I come from 3 brands — AJUSA, ELRING and VICTOR REINZ.

Part numbers include AJUSA 21010400, ELRING 110507 and VICTOR REINZ 417005800.

This table covers the caps on the oil filler neck. Read more

6 Oil Filler Cap parts are listed for the 2021 BMW M240I, from REIN, MOTORAD, BECK/ARNLEY and 2 other brands. MOTORAD MO156 carries the "Popular" badge.

This group includes MOTORAD MO156, REIN CPL0036 and BECK/ARNLEY 0160152 and the remaining parts above.

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

9 Oil Filter parts are listed for the 2021 BMW M240I, from FVP, PRO-TEC, MOBIL and 6 other brands. HENGST E859HD352 carries the "Popular" badge.

Economy: 2 parts, from FVP and PRO-TEC. A representative part number is FVP G0342.

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: 6 options from HENGST, MANN, HASTINGS / BALDWIN and 3 other brands. HENGST E859HD352 is listed in this group.

Listed part numbers: HENGST E859HD352, FVP G0342 and PRO-TEC PXL10342, plus the other parts above.

This table covers the Oil Filter Adapter 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

This group shows a single part: MAHLE / CLEVITE B33794.

This table covers the Oil Filter covers. Read more

2 Oil Filter Cover parts for the 2021 BMW M240I come from 2 brands — MOTORAD and REIN.

Listed part numbers: MOTORAD MO388 and REIN CPL0070.

This table covers the Oil Filter housings. Read more

4 Oil Filter Housing parts for the 2021 BMW M240I come from 4 brands — ELRING, HENGST, REIN and 1 other brand.

Listed part numbers: ELRING B33500, HENGST H811H and REIN HEU0116, plus the other parts above.

This table covers the seals at the Oil Filter Housing. 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

ELRING supplies the 3 Oil Filter Housing Seal parts for the 2021 BMW M240I.

This group includes ELRING 632090, ELRING 504530 and ELRING 784620.

This table covers the Oil Level 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

2 Oil Level Sensor parts are listed for the 2021 BMW M240I, from FACET and HELLA.

Listed part numbers: FACET 70240 and HELLA 013680141.

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

3 Oil Level Sensor Gasket / O-Ring parts are listed for the 2021 BMW M240I, from AJUSA and ELRING.

Listed part numbers: AJUSA 16078650, AJUSA 01311200 and ELRING 351210.

This table covers the oil pans that hold the engine's oil sump. Read more

This group shows a single part: REIN ESK0247.

This table covers the gaskets between the oil pan and the block. 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 Pan Gasket parts are listed for the 2021 BMW M240I, from ELRING and VICTOR REINZ.

Listed part numbers: ELRING 298130 and VICTOR REINZ 703141410.

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

2 Oil Pump Chain parts for the 2021 BMW M240I come from 2 brands — CLOYES and VAICO.

This group includes CLOYES C530 and VAICO V203921.

This table covers the Oil Pump sprockets. Read more

This group shows a single part: CLOYES S1172.

This table covers the timing chains that keep the cams in time with the crank. Read more

This group shows a single part: CLOYES C528.

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

7 Timing Chain & Component Kit parts are listed for the 2021 BMW M240I, from VAICO and CLOYES. VAICO V2010017BEK carries the "Popular" badge.

This group includes VAICO V2010017BEK, VAICO V2010017 and CLOYES 90528SAX and the remaining parts above.

This table covers the guides and dampers that keep the timing chain on its path. Read more

3 Timing Chain Guide / Damper parts for the 2021 BMW M240I come from CLOYES.

This group includes CLOYES 96180, CLOYES 96181 and CLOYES 96182.

This table covers the tensioners that keep the timing chain taut. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

One part is listed for the 2021 BMW M240I — CLOYES 96179.

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

7 Turbocharger Coolant Line parts are listed for the 2021 BMW M240I, from REIN, ÜRO PARTS and SUNSONG. REIN CHT0962 carries the "Popular" badge.

Part numbers include REIN CHT0962, ÜRO PARTS 11538666857 and REIN CHT0963, among others listed above.

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

5 Turbocharger Gasket parts for the 2021 BMW M240I come from 2 brands — ELRING and AJUSA. The "Popular" part is ELRING 087320.

Part numbers include ELRING 087320, AJUSA JTC12328 and ELRING 344890, among others listed above.

This table covers the gaskets that seal the Turbocharger Inlet Hose. 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 M240I — ELRING 113670.

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

This group shows a single part: REIN TRK0025.

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 are listed for the 2021 BMW M240I, from REIN and AJUSA.

Part numbers include AJUSA OP10964, REIN TFP0390 and REIN TRP0391.

This table covers the Turbocharger Oil Line 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

4 Turbocharger Oil Line Gasket / O-Ring parts are listed for the 2021 BMW M240I, from ELRING and AJUSA.

This group includes AJUSA 16007800, ELRING 876070 and ELRING 202790 and the remaining parts above.

This table covers the Valve covers. Read more

7 Valve Cover parts for the 2021 BMW M240I come from 5 brands — ELRING, REIN, BECK/ARNLEY and 2 other brands. The "Popular" part is BECK/ARNLEY 0360025.

This group includes BECK/ARNLEY 0360025, ÜRO PARTS 11127645173 and ELRING B34750 and the remaining parts above.

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

11 Valve Cover Gasket parts are listed for the 2021 BMW M240I, from ELRING, BECK/ARNLEY, MAHLE / CLEVITE and 2 other brands. BECK/ARNLEY 0362093 carries the "Popular" badge.

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

One part is listed for the 2021 BMW M240I — 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

7 Valve Stem Seal parts are listed for the 2021 BMW M240I, from ELRING, VICTOR REINZ, AJUSA and 1 other brand. ELRING 364500 carries the "Popular" badge.

Part numbers include ELRING 364500, ELRING 660360 and AJUSA 57051500, among others listed above.

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

7 Variable Valve Timing (VVT) Solenoid / Actuator parts are listed for the 2021 BMW M240I, from WELLS, GATES, ÜRO PARTS and 3 other brands. GATES VVS229 carries the "Popular" badge.

This group includes GATES VVS229, ÜRO PARTS 11367614288 and HOLSTEIN 2VTS0370 and the remaining parts above.

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

2 Variable Valve Timing (VVT) Solenoid Gasket / Seal parts for the 2021 BMW M240I come from 2 brands — AJUSA and ELRING.

Listed part numbers: AJUSA 01907000 and ELRING 504461.

This table covers the cam phaser sprockets used by the variable-valve-timing system. Read more

One part is listed for the 2021 BMW M240I — VAICO V203377.