2021 BMW M240I Drivetrain Parts

This table covers the Axle bolts. Read more

This group shows a single part: REIN HWB1067.

This table covers the seals where an axle shaft exits the 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

4 Axle Shaft Seal parts for the 2021 BMW M240I come from 2 brands — TIMKEN and AJUSA.

Listed part numbers: AJUSA 12021750, TIMKEN SL260472 and TIMKEN SL260162, plus the other parts above.

This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes. Read more

12 CV Axle parts for the 2021 BMW M240I come from 4 brands — TRAKMOTIVE, TOP NOTCH, GSP and 1 other brand. The "Popular" part is TOP NOTCH TN10028.

This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn. Read more

6 CV Joint Boot parts for the 2021 BMW M240I come from 3 brands — REIN, BECK/ARNLEY and GKN. The "Popular" part is REIN BKN0116.

Listed part numbers: REIN BKN0116, REIN BKN0099R and BECK/ARNLEY 1032892, plus the other parts above.

This table covers the gaskets that seal the Differential Cover. 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 16031150.

This table covers the Differential Fill drain plugs. Read more

2 Differential Fill / Drain Plug parts for the 2021 BMW M240I come from REIN.

Part numbers include REIN HWP0065 and REIN HWU0065.

This table covers the seals at the differential pinion yoke. 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

4 Differential Pinion Seal parts for the 2021 BMW M240I come from 2 brands — AJUSA and TIMKEN.

Listed part numbers: AJUSA 12005350, AJUSA 12015650 and TIMKEN SL260487, plus the other parts above.

This table covers the seals at the Differential. 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 5 Differential Seal parts for the 2021 BMW M240I. ELRING 761160 carries the "Popular" badge.

Listed part numbers: ELRING 761160, ELRING 729370 and ELRING 703190, plus the other parts above.

This table covers the driveshafts that carry torque from the transmission or transfer case. Read more

5 Drive Shaft parts are listed for the 2021 BMW M240I, from DORMAN, SKP, CARDONE and 1 other brand. SKP SK938277 carries the "Popular" badge.

This group includes SKP SK938277, CARDONE 659005 and DORMAN 938277 and the remaining parts above.

This table covers the Drive Shaft Center Support bearings. 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

One part is listed for the 2021 BMW M240I — REIN BEM0039P.

This table covers the flex joints in the driveshaft. Read more

This group shows a single part: ÜRO PARTS 26117610061.

This table covers the seals at the Drive Shaft. 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 B15590.

This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle. Read more

2 Gear Oil parts for the 2021 BMW M240I come from VALVOLINE.

Listed part numbers: VALVOLINE 915052 and VALVOLINE 915053.

This table covers the fluids specified for the transfer case. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable. Read more

This group shows a single part: REIN FLDF005.

This table covers the Transfer Case motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

One part is listed for the 2021 BMW M240I — REIN TDA0013.

This table covers the Transfer Case Oil drain plugs. Read more

2 Transfer Case Oil Drain Plug parts for the 2021 BMW M240I come from REIN.

This group includes REIN HWP0065 and REIN HWU0065.

This table covers the seals at the Transfer Case Output Shaft. 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: ÜRO PARTS 27107546667.

This table covers the Transfer Case Overhaul kits. Read more

This group shows a single part: REIN RVK0002.