2018 BMW 328D 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 2018 BMW 328D 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

5 Coolant Air Bleeder parts are listed for the 2018 BMW 328D, from DORMAN, SKP and ÜRO PARTS. DORMAN 902404HP carries the "Popular" badge.

This group includes DORMAN 902404HP, DORMAN 902404 and SKP SK902404 and the remaining parts above.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

5 Coolant Hose / Pipe parts for the 2018 BMW 328D come from 3 brands — REIN, MOTORAD and ÜRO PARTS. The "Popular" part is REIN CHE0706.

Part numbers include REIN CHE0706, MOTORAD CH3115 and REIN CHP0718, among others listed above.

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

One part is listed for the 2018 BMW 328D — ELRING 249690.

This table covers the Coolant Hose Connector flanges. Read more

2 Coolant Hose Connector / Flange parts for the 2018 BMW 328D come from 2 brands — FACET and VAICO.

This group includes FACET 268827R and VAICO V201365.

This table covers the gaskets that seal the Coolant Pipe. 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

2 Coolant Pipe Gasket parts are listed for the 2018 BMW 328D, from FEL-PRO and MAHLE / CLEVITE.

Part numbers include FEL-PRO 36255 and MAHLE / CLEVITE C33598.

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

5 Coolant Reservoir parts are listed for the 2018 BMW 328D, from ÜRO PARTS, GPD, MAHLE / CLEVITE and 2 other brands. ÜRO PARTS 17137642160 carries the "Popular" badge.

Part numbers include ÜRO PARTS 17137642160, GPD 2411254 and MAHLE / CLEVITE CRT283000S, 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

3 Coolant Reservoir Cap parts are listed for the 2018 BMW 328D, from CALORSTAT, MOTORAD and REIN.

This group includes CALORSTAT RC0083, MOTORAD T64 and REIN CPE0035.

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

3 Intercooler parts for the 2018 BMW 328D come from 3 brands — HELLA, NISSENS and SPECTRA PREMIUM.

Part numbers include HELLA 366341311, NISSENS 96450 and SPECTRA PREMIUM 44011905.

This table covers the Intercooler Air Hose pipes. Read more

This group shows a single part: GATES 26497.

This table covers the seals at the Intercooler. 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

One part is listed for the 2018 BMW 328D — VAICO V203115.

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 2018 BMW 328D come from 6 brands — ULTRA-POWER, KOYORAD, TYC and 3 other brands. The "Popular" part is KOYORAD A13571.

The Economy section: 1 option from ULTRA-POWER. ULTRA-POWER 13571 is listed in this group.

Standard Replacement: 5 parts, from KOYORAD, TYC, AGILITY and 2 other brands. A representative part number is KOYORAD A13571.

This group includes KOYORAD A13571 and ULTRA-POWER 13571 and the remaining parts above.

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

4 Radiator Fan Assembly parts are listed for the 2018 BMW 328D, from DORMAN, GPD, TECHPRO and 1 other brand.

Part numbers include DORMAN 621583, GPD 2811942 and TECHPRO BM3115125, 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 are listed for the 2018 BMW 328D, from GATES, REIN and VAICO.

Listed part numbers: GATES 51512, REIN CHR0635 and VAICO V204352.

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 2018 BMW 328D come from 6 brands — GPD, HOLSTEIN, HELLA and 3 other brands. The "Popular" part is HELLA 013113241.

The Economy section: 2 options from GPD and HOLSTEIN. GPD 1814527 is listed in this group.

Standard Replacement: 4 parts, from HELLA, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 1 other brand. A representative part number is HELLA 013113241.

This group includes HELLA 013113241, GPD 1814527 and HOLSTEIN 2CTS0171 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

9 Thermostat parts are listed for the 2018 BMW 328D, from FACET, MOTORAD, VEMO and 2 other brands. FACET 78762K carries the "Popular" badge.

Economy: 1 part, from VEMO. A representative part number is VEMO V20990176.

The Standard Replacement section: 8 options from FACET, MOTORAD, AISIN and 1 other brand. FACET 78762K is listed in this group.

Listed part numbers: FACET 78762K, VEMO V20990176 and MOTORAD 544189, plus the other parts 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

4 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2018 BMW 328D come from 3 brands — MAHLE / CLEVITE, ELRING and FEL-PRO.

Listed part numbers: ELRING 474310, FEL-PRO 36283 and MAHLE / CLEVITE C33607, plus the other parts above.

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

3 Thermostat Housing / Water Outlet parts are listed for the 2018 BMW 328D, from FOUR SEASONS, GATES and MOTORAD.

Part numbers include FOUR SEASONS 86268, GATES CO34984 and MOTORAD CH2002.

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 2018 BMW 328D, from GRAF, GMB, FVP and 4 other brands. GMB 1153140 carries the "Popular" badge.

This group includes GMB 1153140 and GATES 42037 and the remaining parts above.