2021 BMW X2 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

13 Coolant / Antifreeze parts are listed for the 2021 BMW X2, from PRESTONE, PEAK, VALVOLINE and 1 other brand. PRESTONE AF3100 carries the "Popular" badge. 12 parts fit every engine; the other 1 is engine-specific.

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 Heavy Duty section lists 1 option from PRESTONE — rated for severe service. PRESTONE AFC12100 is listed in this group.

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 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 for the 2021 BMW X2 come from ELRING. 1 part fits every engine; the other 1 is engine-specific.

Part numbers include ELRING 283410 and ELRING 521520.

This table covers the Coolant Hose Connector flanges. Read more

One part is listed for the 2021 BMW X2 — MOTORAD CH7113.

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

This group shows a single part: HELLA 366365431.

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

3 Coolant Reservoir Cap parts for the 2021 BMW X2 come from 3 brands — CALORSTAT, MOTORAD and REIN.

Listed part numbers: CALORSTAT RC0084, MOTORAD T76 and REIN CPE0078.

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

2 Intercooler parts are listed for the 2021 BMW X2, from MARELLI and NISSENS.

Part numbers include MARELLI MST556 and NISSENS 961418.

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

5 Radiator parts are listed for the 2021 BMW X2, from MAHLE / CLEVITE, NISSENS and MARELLI. 1 part fits every engine; the other 4 are engine-specific.

Part numbers include MAHLE / CLEVITE CR2642000P, MAHLE / CLEVITE CR2763000P and MARELLI BM2145, among others listed above.

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

4 Radiator Fan Assembly parts for the 2021 BMW X2 come from 3 brands — TECHPRO, MAHLE / CLEVITE and VDO / CONTINENTAL. 3 parts fit every engine; the other 1 is engine-specific.

The Economy section: 2 options from TECHPRO. TECHPRO BM3115146 is listed in this group.

Standard Replacement: 2 parts, from MAHLE / CLEVITE and VDO / CONTINENTAL. A representative part number is MAHLE / CLEVITE CFF547000P.

Part numbers include TECHPRO BM3115146, TECHPRO BM3115147 and MAHLE / CLEVITE CFF547000P, among others listed above.

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

3 Radiator Hose parts for the 2021 BMW X2 come from GATES.

This group includes GATES 51572, GATES 52455 and GATES 51537.

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 are listed for the 2021 BMW X2, from GPD, WALKER PRODUCTS, STANDARD MOTOR PRODUCTS and 4 other brands. HOLSTEIN 2CTS0198 carries the "Popular" badge.

Economy: 4 parts, from GPD, HOLSTEIN and VEMO. A representative part number is HOLSTEIN 2CTS0198.

The Standard Replacement section: 5 options from WALKER PRODUCTS, FACET, STANDARD MOTOR PRODUCTS and 1 other brand. WALKER PRODUCTS 2112021 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

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

4 Thermostat parts for the 2021 BMW X2 come from 3 brands — FOUR SEASONS, SKP and MOTORAD.

The Economy section: 1 option from SKP. SKP SKTA9254 is listed in this group.

Standard Replacement: 2 parts, from FOUR SEASONS and MOTORAD. A representative part number is FOUR SEASONS 86365.

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

Part numbers include SKP SKTA9254, FOUR SEASONS 86365 and MOTORAD TA9254, 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

ELRING supplies the 3 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 BMW X2. 1 part fits every engine; the other 2 are engine-specific.

Part numbers include ELRING 916480, ELRING B22090 and ELRING B22100.

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

This group shows a single part: MOTORAD CH7107.

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

6 Water Pump parts for the 2021 BMW X2 come from 5 brands — GATES, BOSCH, GMB and 2 other brands. The "Popular" part is GATES 41209.

Listed part numbers: GATES 41209, GATES 41219 and BOSCH 0392023488, plus the other parts 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

ELRING supplies both parts for the 2021 BMW X2. All of them fit every engine offered in the 2021 X2.

Listed part numbers: ELRING 091830 and ELRING B47470.