2021 BMW M2 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 for the 2021 BMW M2 come from 4 brands — PRESTONE, PEAK, VALVOLINE and 1 other brand. The "Popular" part is PRESTONE AF3100.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 3 options from PRESTONE, VALVOLINE and PEAK — the catalog's value-priced group. PRESTONE AF3100 is listed in this group.

In the Premium grade, PRESTONE and PEAK supply 5 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, AISIN, PEAK and VALVOLINE supply 3 parts: built to original-equipment specification. A representative part number is AISIN ACE008.

This table covers the seals at the Coolant Hose / Pipe. 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 Coolant Hose / Pipe Seal parts are listed for the 2021 BMW M2, from AJUSA and DORMAN.

Part numbers include AJUSA 16020700 and DORMAN 47451.

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

One part is listed for the 2021 BMW M2 — ÜRO PARTS 17132284600.

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

5 Coolant Reservoir Cap parts are listed for the 2021 BMW M2, from CALORSTAT, REIN and MOTORAD. MOTORAD T64 carries the "Popular" badge.

Part numbers include MOTORAD T64, CALORSTAT RC0084 and CALORSTAT RC0087, among others listed above.

This table covers the intercoolers that cool turbo or supercharger charge air. Read more

This group shows a single part: MAHLE / CLEVITE CI618000P.

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

6 Radiator parts for the 2021 BMW M2 come from 3 brands — NISSENS, SPECTRA PREMIUM and UAC. The "Popular" part is NISSENS 60817.

This group includes NISSENS 60817, NISSENS 60816 and NISSENS 606863 and the remaining parts above.

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

One part is listed for the 2021 BMW M2 — VDO / CONTINENTAL FA74025.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

One part is listed for the 2021 BMW M2 — GATES 24751.

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

10 Temperature Sender / Sensor parts for the 2021 BMW M2 come from 8 brands — HOLSTEIN, WALKER PRODUCTS, GPD and 5 other brands. The "Popular" part is HOLSTEIN 2CTS0094.

The Economy section: 3 options from HOLSTEIN and GPD. HOLSTEIN 2CTS0094 is listed in this group.

Standard Replacement: 7 parts, from WALKER PRODUCTS, DELPHI, FACET and 3 other brands. A representative part number is DELPHI TS10270.

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

6 Thermostat parts are listed for the 2021 BMW M2, from ÜRO PARTS, BECK/ARNLEY, MOTORAD and 3 other brands. BECK/ARNLEY 1430869 carries the "Popular" badge.

Economy: 1 part, from ÜRO PARTS. A representative part number is ÜRO PARTS 11537586885.

The Standard Replacement section: 5 options from BECK/ARNLEY, MOTORAD, CALORSTAT and 2 other brands. BECK/ARNLEY 1430869 is listed in this group.

Part numbers include BECK/ARNLEY 1430869, ÜRO PARTS 11537586885 and MOTORAD 606221, among others listed above.

This table covers the seals at the thermostat housing and water outlet. 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 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 BMW M2 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

This group includes FEL-PRO 36226 and MAHLE / CLEVITE C32504.

This table covers the housings and outlets the thermostat sits in. Read more

One part is listed for the 2021 BMW M2 — SKP SK902817.

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 are listed for the 2021 BMW M2, from BOSCH, NISSENS and FOUR SEASONS. BOSCH 0392023509 carries the "Popular" badge.

This group includes BOSCH 0392023509, BOSCH 0392024117 and FOUR SEASONS 89078 and the remaining parts above.