2023 BMW M240I Cooling System Parts

This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator. Read more

12 Coolant / Antifreeze parts are listed for the 2023 BMW M240I, from PRESTONE, PEAK, VALVOLINE and 1 other brand. PRESTONE AF3100 carries the "Popular" badge.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, PRESTONE, VALVOLINE and PEAK supply 3 parts: the catalog's value-priced group. A representative part number is PRESTONE AF3100.

The Premium section lists 5 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 3 options from AISIN, PEAK and VALVOLINE — built to original-equipment specification. AISIN ACE008 is listed in this group.

This table covers the overflow / expansion tanks that hold extra coolant. Read more

5 Coolant Reservoir parts for the 2023 BMW M240I come from 3 brands — TECHPRO, GPD and MAHLE / CLEVITE. The "Popular" part is GPD 2411316.

Listed part numbers: GPD 2411316, MAHLE / CLEVITE CRT246000S and TECHPRO BM3014120, plus the other parts above.

This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

4 Coolant Reservoir Cap parts for the 2023 BMW M240I come from 4 brands — CALORSTAT, MOTORAD, REIN and 1 other brand.

This group includes CALORSTAT RC0084, MOTORAD T76 and REIN CPE0078 and the remaining parts above.

This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap. Read more

3 Radiator parts are listed for the 2023 BMW M240I, from GPD, NISSENS and UAC.

Economy: 1 part, from GPD. A representative part number is GPD 13873C.

The Standard Replacement section: 2 options from NISSENS and UAC. NISSENS 606784 is listed in this group.

Part numbers include GPD 13873C, NISSENS 606784 and UAC RA13845C.

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator. Read more

2 Radiator Fan Assembly parts for the 2023 BMW M240I come from 2 brands — TECHPRO and VDO / CONTINENTAL.

The Economy section: 1 option from TECHPRO. TECHPRO BM3115148 is listed in this group.

Standard Replacement: 1 part, from VDO / CONTINENTAL. A representative part number is VDO / CONTINENTAL FA74027.

This group includes TECHPRO BM3115148 and VDO / CONTINENTAL FA74027.

This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender. Read more

3 Temperature Sender / Sensor parts are listed for the 2023 BMW M240I, from NISSENS, STANDARD MOTOR PRODUCTS and WALKER PRODUCTS.

This group includes NISSENS 207110, STANDARD MOTOR PRODUCTS TS658 and WALKER PRODUCTS 2112114.

This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part. Read more

3 Thermostat parts for the 2023 BMW M240I come from 3 brands — SKP, MOTORAD and INA.

The Economy section: 1 option from SKP. SKP SK1120221 is listed in this group.

Standard Replacement: 1 part, from MOTORAD. A representative part number is MOTORAD 1120221.

1 further part sits outside the graded sections, with the same engine-level match.

This group includes SKP SK1120221, MOTORAD 1120221 and INA XW0811.

This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off. Read more

5 Water Pump parts for the 2023 BMW M240I come from 5 brands — ÜRO PARTS, GATES, BOSCH and 2 other brands. The "Popular" part is GATES 41244.

The Economy section: 1 option from ÜRO PARTS. ÜRO PARTS 11518482251 is listed in this group.

Standard Replacement: 4 parts, from GATES, BOSCH, FVP and 1 other brand. A representative part number is GATES 41244.

Part numbers include GATES 41244, ÜRO PARTS 11518482251 and BOSCH 0392023486, among others listed above.

This table covers the gaskets between the water pump and the block or housing. 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 2023 BMW M240I — AJUSA 01732500.