2023 BMW 230I 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 230I, 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 hard pipes and extra hoses in the coolant circuit. Read more

One part is listed for the 2023 BMW 230I — REIN CHE1002.

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

6 Coolant Reservoir parts for the 2023 BMW 230I come from 3 brands — TECHPRO, MAHLE / CLEVITE and GPD. The "Popular" part is GPD 2411316.

This group includes GPD 2411316, TECHPRO BM3014121 and MAHLE / CLEVITE CRT246000S 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

4 Coolant Reservoir Cap parts for the 2023 BMW 230I come from 4 brands — CALORSTAT, MOTORAD, REIN and 1 other brand.

Listed part numbers: CALORSTAT RC0084, MOTORAD T76 and REIN CPE0078, plus the other 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

4 Radiator parts are listed for the 2023 BMW 230I, from UAC, FVP and NISSENS.

Part numbers include FVP RAD13990, NISSENS 606784 and UAC RA13845C, among others listed above.

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 230I come from 2 brands — FOUR SEASONS and VDO / CONTINENTAL.

This group includes FOUR SEASONS 75321 and VDO / CONTINENTAL FA74022.

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 230I, from NISSENS, STANDARD MOTOR PRODUCTS and WALKER PRODUCTS.

Part numbers include NISSENS 207110, STANDARD MOTOR PRODUCTS TS658 and WALKER PRODUCTS 2112021.

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 230I come from 3 brands — SKP, FOUR SEASONS and MOTORAD.

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.

Listed part numbers: SKP SKTA9251, FOUR SEASONS 86364 and MOTORAD TA9251.

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 2023 BMW 230I 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.