2019 BMW M550I 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 for the 2019 BMW M550I come from 5 brands — PRESTONE, PEAK, VALVOLINE and 2 other brands. The "Popular" part is FVP MV5050GAL.

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 4 options from FVP, PRESTONE, PEAK and 1 other brand — the catalog's value-priced group. FVP MV5050GAL 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 bleeders used to purge air from the coolant circuit. Read more

4 Coolant Air Bleeder parts are listed for the 2019 BMW M550I, from DORMAN and SKP.

Part numbers include DORMAN 902404, DORMAN 902404HP and SKP SK902404, among others listed above.

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

One part is listed for the 2019 BMW M550I — MAHLE / CLEVITE CRT240000S.

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 are listed for the 2019 BMW M550I, from MOTORAD, CALORSTAT, REIN and 1 other brand. MOTORAD T65 carries the "Popular" badge.

Part numbers include MOTORAD T65, REIN CPE0034 and CALORSTAT RC0084, 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 CI616000P.

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 2019 BMW M550I come from 3 brands — MAHLE / CLEVITE, GPD and NISSENS.

The Economy section: 1 option from GPD. GPD 13629C is listed in this group.

Standard Replacement: 5 parts, from MAHLE / CLEVITE and NISSENS. A representative part number is MAHLE / CLEVITE CR2630000P.

This group includes GPD 13629C, MAHLE / CLEVITE CR2630000P and MAHLE / CLEVITE CR937000P and the remaining parts above.

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

3 Radiator Fan Assembly parts are listed for the 2019 BMW M550I, from TECHPRO, MAHLE / CLEVITE and VDO / CONTINENTAL.

Economy: 1 part, from TECHPRO. A representative part number is TECHPRO BM3115143.

The Standard Replacement section: 2 options from MAHLE / CLEVITE and VDO / CONTINENTAL. MAHLE / CLEVITE CFF549000P is listed in this group.

This group includes TECHPRO BM3115143, MAHLE / CLEVITE CFF549000P and VDO / CONTINENTAL FA74020.

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 2019 BMW M550I — REIN CHR0978.

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

6 Temperature Sender / Sensor parts for the 2019 BMW M550I come from 6 brands — GPD, HOLSTEIN, STANDARD MOTOR PRODUCTS and 3 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TS658.

The Economy section: 2 options from GPD and HOLSTEIN. GPD 1814545 is listed in this group.

Standard Replacement: 4 parts, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, FACET and 1 other brand. A representative part number is STANDARD MOTOR PRODUCTS TS658.

This group includes STANDARD MOTOR PRODUCTS TS658, GPD 1814545 and HOLSTEIN 2CTS0198 and the remaining parts above.

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

2 Thermostat parts are listed for the 2019 BMW M550I, from DORMAN and MOTORAD.

Economy: 1 part, from DORMAN. A representative part number is DORMAN 9025954.

The Standard Replacement section: 1 option from MOTORAD. MOTORAD 986221 is listed in this group.

Listed part numbers: DORMAN 9025954 and MOTORAD 986221.

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 2019 BMW M550I come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

Part numbers include FEL-PRO 36226 and MAHLE / CLEVITE C32504.

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 are listed for the 2019 BMW M550I, from BOSCH, NISSENS, FOUR SEASONS and 3 other brands. BOSCH 0392023509 carries the "Popular" badge.

This group includes BOSCH 0392023509, BOSCH 039202411E and FOUR SEASONS 89077 and the remaining parts above.