2021 BMW M235I Engine Parts

This table covers the Balance Shaft covers. Read more

This group shows a single part: DORMAN 926054.

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 54297900.

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

4 Crankshaft Seal parts are listed for the 2021 BMW M235I, from AJUSA and MAHLE / CLEVITE.

Part numbers include AJUSA 15075200, AJUSA 15107900 and MAHLE / CLEVITE 68102, among others listed above.

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

This group shows a single part: AJUSA 81065000.

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 2021 BMW M235I come from 2 brands — AJUSA and MAHLE / CLEVITE.

This group includes AJUSA 10249800, AJUSA 10249810 and MAHLE / CLEVITE 55537 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

This group shows a single part: AJUSA 52566100.

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 50518100.

This table covers the Harmonic Balancer bolts. Read more

One part is listed for the 2021 BMW M235I — 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

3 Intake Manifold Gasket parts for the 2021 BMW M235I come from 3 brands — AJUSA, ELRING and MAHLE / CLEVITE.

Listed part numbers: AJUSA 24039500, ELRING 076500 and MAHLE / CLEVITE MS20554.

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

4 Motor Mount parts are listed for the 2021 BMW M235I, from ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand.

Part numbers include ANCHOR 10139, DEA / MARMON RIDE CONTROL A70063 and PIONEER 610139, among others listed above.

This table covers the Motor Mount kits. Read more

One part is listed for the 2021 BMW M235I — ANCHOR 300491.

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 M235I, from LIQUI MOLY, PENTOSIN, MOBIL and 1 other brand. LIQUI MOLY 22044 carries the "Popular" badge.

Part numbers include LIQUI MOLY 22044, LIQUI MOLY 22046 and LIQUI MOLY 22048, 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 2021 BMW M235I — VEMO V20600112.

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

This group shows a single part: AJUSA 77010600.

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

2 Oil Drain Plug parts are listed for the 2021 BMW M235I, from 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

2 Oil Drain Plug Gasket parts for the 2021 BMW M235I come from 2 brands — AJUSA and VICTOR REINZ.

Part numbers include AJUSA 21010400 and VICTOR REINZ 417005800.

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

2 Oil Filler Cap parts are listed for the 2021 BMW M235I, from MOTORAD and VAICO.

Listed part numbers: MOTORAD MO214 and VAICO V204688.

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 are listed for the 2021 BMW M235I, from CHAMP / LUBER-FINER, ULTRA-POWER, MANN and 5 other brands. MANN HU6012ZKIT carries the "Popular" badge.

In the Economy grade, CHAMP / LUBER-FINER and ULTRA-POWER supply 2 parts: the catalog's value-priced group. A representative part number is CHAMP / LUBER-FINER P1081.

The Standard Replacement section lists 6 options from MANN, WIX, FEL-PRO and 3 other brands — built to original-equipment specification. MANN HU6012ZKIT is listed in this group.

Part numbers include MANN HU6012ZKIT, CHAMP / LUBER-FINER P1081 and ULTRA-POWER WL10518, among others listed 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 G33866.

This table covers the Oil Filter covers. Read more

2 Oil Filter Cover parts for the 2021 BMW M235I come from 2 brands — MOTORAD and VAICO.

Listed part numbers: MOTORAD MO392 and VAICO V204799.

This table covers the Oil Filter housings. Read more

This group shows a single part: VEMO V20600110.

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

One part is listed for the 2021 BMW M235I — VICTOR REINZ 703141410.

This table covers the Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit. Read more

One part is listed for the 2021 BMW M235I — VAICO V204981.

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

2 Oil Pump Chain parts for the 2021 BMW M235I come from 2 brands — CLOYES and VAICO.

Listed part numbers: CLOYES C529 and VAICO V203921.

This table covers the Oil Pump sprockets. Read more

This group shows a single part: CLOYES S1172.

This table covers the rocker arms that transfer cam motion to the valves. Read more

One part is listed for the 2021 BMW M235I — INA VF0241.

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

4 Timing Chain & Component Kit parts are listed for the 2021 BMW M235I, from CLOYES and VAICO.

This group includes CLOYES 90528SX, CLOYES 90528S and VAICO V2010026BEK 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 M235I 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 M235I — CLOYES 96179.

This table covers the Torque Strut mounts. 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

5 Torque Strut Mount parts for the 2021 BMW M235I come from 5 brands — SKP, ANCHOR, DEA / MARMON RIDE CONTROL and 2 other brands. The "Popular" part is ANCHOR 10122.

The Economy section: 1 option from SKP. SKP SKMET702 is listed in this group.

Standard Replacement: 4 parts, from ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand. A representative part number is ANCHOR 10122.

Listed part numbers: ANCHOR 10122, SKP SKMET702 and DEA / MARMON RIDE CONTROL A70061, plus the other parts above.

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

3 Turbocharger Coolant Line parts are listed for the 2021 BMW M235I, from REIN and SUNSONG.

Listed part numbers: REIN CHT0923, REIN CHT0937 and SUNSONG 5804162.

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 M235I come from 3 brands — ELRING, AJUSA and MAHLE / CLEVITE. The "Popular" part is AJUSA 01335100.

Listed part numbers: AJUSA 01335100, ELRING 094830 and ELRING 087320, plus the other parts above.

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 M235I, from AJUSA, REIN and ÜRO PARTS.

Part numbers include AJUSA OP11220, REIN TFP0376 and ÜRO PARTS 11428629969.

This table covers the Turbocharger Wastegate Solenoid actuators. 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

One part is listed for the 2021 BMW M235I — DORMAN 667845.

This table covers the Valve covers. Read more

2 Valve Cover parts for the 2021 BMW M235I come from 2 brands — ELRING and SKP.

This group includes ELRING B37590 and SKP SK743462.

This table covers the Valve Cover Bolt screws. Typical signs include a rounded head, a seeping bleeder, or a fastener that will not hold torque. Do not force a new screw into a stripped hole — repair the thread first. Read more

This group shows a single part: ÜRO PARTS 11129454322.

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

2 Valve Cover Gasket parts are listed for the 2021 BMW M235I, from AJUSA and MAHLE / CLEVITE.

This group includes AJUSA 11162700 and MAHLE / CLEVITE VS50988.

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

One part is listed for the 2021 BMW M235I — 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

6 Valve Stem Seal parts are listed for the 2021 BMW M235I, from AJUSA, MAHLE / CLEVITE and FEL-PRO. AJUSA 57067700 carries the "Popular" badge.

This group includes AJUSA 57067700, FEL-PRO SS73259 and AJUSA 12027900 and the remaining parts above.

This table covers the Variable Valve Timing (VVT) Eccentric Shaft actuators. 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

One part is listed for the 2021 BMW M235I — ÜRO PARTS 11378652738.

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

6 Variable Valve Timing (VVT) Solenoid / Actuator parts are listed for the 2021 BMW M235I, from VAICO, VNE, GATES and 1 other brand. GATES VVS229 carries the "Popular" badge.

Listed part numbers: GATES VVS229, ÜRO PARTS 11367614288 and VAICO V204822, plus the other 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

This group shows a single part: AJUSA 01907000.