2024 BMW X3 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 2024 BMW X3, from PRESTONE, PEAK, VALVOLINE and 1 other brand. PRESTONE AF3100 carries the "Popular" badge. All of them fit every engine offered in the 2024 X3.

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

This group shows a single part: ELRING 283410.

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

9 Coolant Reservoir parts for the 2024 BMW X3 come from 4 brands — REIN, MAHLE / CLEVITE, TECHPRO and 1 other brand. The "Popular" part is REIN EPT0262. 5 parts fit every engine; the other 4 are engine-specific.

This group includes REIN EPT0262, ÜRO PARTS 17138742660K and MAHLE / CLEVITE CRT286000S and the remaining 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

6 Coolant Reservoir Cap parts for the 2024 BMW X3 come from 3 brands — MOTORAD, CALORSTAT and REIN. The "Popular" part is MOTORAD T64. 3 parts fit every engine; the other 3 are engine-specific.

Part numbers include MOTORAD T64, CALORSTAT RC0084 and CALORSTAT RC0083, among others listed 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

15 Radiator parts are listed for the 2024 BMW X3, from CSF, FVP, TECHPRO and 2 other brands.

Economy: 2 parts, from TECHPRO. A representative part number is TECHPRO BM3010199.

The Standard Replacement section: 7 options from CSF, FVP, MAHLE / CLEVITE and 1 other brand. CSF 4003 is listed in this group.

6 ungrouped parts are not assigned to a grade, with the same engine-level match.

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

6 Radiator Fan Assembly parts for the 2024 BMW X3 come from 4 brands — TECHPRO, GPD, TYC and 1 other brand. The "Popular" part is TYC 625160.

The Economy section: 3 options from TECHPRO and GPD. GPD 2812279 is listed in this group.

Standard Replacement: 2 parts, from TYC and UAC. A representative part number is TYC 625160.

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

This group includes TYC 625160, GPD 2812279 and TECHPRO BM3115136 and the remaining parts above.

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 2024 BMW X3, from STANDARD MOTOR PRODUCTS and NISSENS.

Listed part numbers: NISSENS 207110, STANDARD MOTOR PRODUCTS TS658 and STANDARD MOTOR PRODUCTS TX332.

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

5 Thermostat parts for the 2024 BMW X3 come from 3 brands — FOUR SEASONS, MOTORAD and SKP.

The Economy section: 1 option from SKP. SKP SKTA9251 is listed in this group.

Standard Replacement: 2 parts, from FOUR SEASONS and MOTORAD. A representative part number is FOUR SEASONS 86364.

2 further parts sit outside the graded sections, with the same engine-level match.

Part numbers include SKP SKTA9251, FOUR SEASONS 86364 and MOTORAD TA9251, 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 both parts for the 2024 BMW X3.

This group includes ELRING 082150 and ELRING B24120.

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

This group shows a single part: VEMO V20991310.

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

8 Water Pump parts for the 2024 BMW X3 come from 7 brands — FVP, GATES, GMB and 4 other brands. The "Popular" part is GATES 41236.

Part numbers include GATES 41236, GMB 1153360 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

3 Water Pump Gasket parts are listed for the 2024 BMW X3, from ELRING and AJUSA.

Listed part numbers: AJUSA 77080300, ELRING 078580 and ELRING B07530.