2019 BMW 340I 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 340I 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 hard pipes and extra hoses in the coolant circuit. Read more

3 Coolant Hose / Pipe parts for the 2019 BMW 340I come from REIN.

Listed part numbers: REIN CHE0994, REIN CHE1003 and REIN CHE1026.

This table covers the Coolant Hose Connector flanges. Read more

2 Coolant Hose Connector / Flange parts for the 2019 BMW 340I come from REIN.

Listed part numbers: REIN CHU0940 and REIN CHK0940.

This table covers the Coolant Hose Flange plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

2 Coolant Hose Flange Plug parts for the 2019 BMW 340I come from 2 brands — REIN and VAICO.

This group includes REIN CHM0562 and VAICO V202821.

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

7 Coolant Reservoir parts are listed for the 2019 BMW 340I, from REIN, ÜRO PARTS, GPD and 2 other brands. REIN EPK0235 carries the "Popular" badge.

Part numbers include REIN EPK0235, ÜRO PARTS 17138677649 and GPD 2411316, among others listed 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

5 Coolant Reservoir Cap parts are listed for the 2019 BMW 340I, from MOTORAD, CALORSTAT and REIN. MOTORAD T64 carries the "Popular" badge.

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

7 Radiator parts for the 2019 BMW 340I come from 5 brands — GPD, NISSENS, VEMO and 2 other brands. The "Popular" part is VEMO V20600087.

The Economy section: 3 options from GPD and VEMO. VEMO V20600087 is listed in this group.

Standard Replacement: 4 parts, from NISSENS, KOYORAD and UAC. A representative part number is KOYORAD A13782.

Listed part numbers: VEMO V20600087, GPD 13788C and GPD 13788, plus the other parts above.

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

2 Radiator Fan Assembly parts are listed for the 2019 BMW 340I, from SKP and TECHPRO.

This group includes SKP SK621303 and TECHPRO BM3115131.

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

7 Temperature Sender / Sensor parts for the 2019 BMW 340I come from 6 brands — HOLSTEIN, GPD, STANDARD MOTOR PRODUCTS and 3 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TS658.

The Economy section: 3 options from HOLSTEIN and GPD. GPD 1814534 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 1814534 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

6 Thermostat parts are listed for the 2019 BMW 340I, from ÜRO PARTS, SKP, VEMO and 3 other brands. ÜRO PARTS 11537642854 carries the "Popular" badge.

Economy: 3 parts, from ÜRO PARTS, SKP and VEMO. A representative part number is ÜRO PARTS 11537642854.

The Standard Replacement section: 3 options from MOTORAD, FOUR SEASONS and REIN. MOTORAD 1223207 is listed in this group.

Part numbers include ÜRO PARTS 11537642854, SKP SK86355 and VEMO V20990008, among others listed above.

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

One part is listed for the 2019 BMW 340I — ÜRO PARTS 11118619408PRM.

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 2019 BMW 340I, from BOSCH, BECK/ARNLEY, GMB and 1 other brand. GMB 1153160 carries the "Popular" badge.

Economy: 1 part, from BECK/ARNLEY. A representative part number is BECK/ARNLEY 1312550.

The Standard Replacement section: 4 options from BOSCH, GMB and SALERI. GMB 1153160 is listed in this group.

Listed part numbers: GMB 1153160, BECK/ARNLEY 1312550 and BOSCH 0392023509, 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

This group shows a single part: MAHLE / CLEVITE K33796.