This page lists 47 cooling system parts for the 2021 BMW 745E, across 9 part types, covering the 3.0L L6 ELECTRIC/GAS Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2021 BMW 745E, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. Most of the listed parts are Coolant / Antifreeze (13 parts), Temperature Sender / Sensor (8 parts) and Radiator (6 parts). The other 6 part types cover the remaining 20 parts.
Every part on this page is matched to the 3.0L L6 ELECTRIC/GAS Turbocharged — the only engine offered in the 2021 BMW 745E.
The most listed brands for 2021 BMW 745E cooling system parts are PRESTONE (5 parts), REIN (5 parts) and PEAK (4 parts), plus 19 more brands. Quality grades include Standard Replacement, Economy and Premium.
9 parts on this 2021 BMW 745E page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including PRESTONE AF3100 (Coolant / Antifreeze) and ÜRO PARTS 17138610656 (Coolant Reservoir). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US 🇲🇽 MX | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF3100 | 🇺🇸 US 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇲🇽 MX | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇲🇽 MX | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇲🇽 MX | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE | AF6110 | 🇺🇸 US 🇲🇽 MX | MAX Original EquipmentEuropean Blue | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇲🇽 MX | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | 859537 | 🇲🇽 MX | G48 Blue1 Gallon | View on Amazon |
| AISIN | ACE008 | 🇺🇸 US 🇲🇽 MX | BlueHOAT | View on Amazon |
| PEAK | PEB1GAL | 🇺🇸 US 🇲🇽 MX | OET European Extended Life Blue1 Gallon | View on Amazon |
| VALVOLINE | 861399 | 🇲🇽 MX | G40 Pink1 Gallon | View on Amazon |
| VALVOLINE | 904685 | 🇺🇸 US | HT-12 Green1 Gallon | View on Amazon |
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.
13 Coolant / Antifreeze parts for the 2021 BMW 745E come from 4 brands — PRESTONE, PEAK, VALVOLINE and 1 other brand. The "Popular" part is PRESTONE AF3100.
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 2 options from PRESTONE and PEAK — the catalog's value-priced group. PRESTONE AF3100 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, VALVOLINE, AISIN and PEAK supply 5 parts: built to original-equipment specification. A representative part number is VALVOLINE 859537.
Coolant Air Bleeder
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 902404 | 🇺🇸 US 🇲🇽 MX | Plastic | View on Amazon |
| DORMAN | 902404HP | 🇺🇸 US 🇲🇽 MX | OE FIX | View on Amazon |
This table covers the bleeders used to purge air from the coolant circuit.
DORMAN supplies both parts for the 2021 BMW 745E.
This group includes DORMAN 902404 and DORMAN 902404HP.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS Popular | 17138610656 | 🇺🇸 US | View on Amazon | |
| MAHLE / CLEVITE | CRT239000S | 🇺🇸 US | Plastic | View on Amazon |
| REIN | EPT0263 | 🇺🇸 US 🇲🇽 MX | Intercoolerwithout Cap | View on Amazon |
| REIN | EPT0242 | 🇺🇸 US 🇲🇽 MX | Radiatorwithout Cap | View on Amazon |
| REIN | EPK0242 | 🇺🇸 US 🇲🇽 MX | Includes OE cap and fluid level sensor | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
5 Coolant Reservoir parts are listed for the 2021 BMW 745E, from REIN, ÜRO PARTS and MAHLE / CLEVITE. ÜRO PARTS 17138610656 carries the "Popular" badge.
Part numbers include ÜRO PARTS 17138610656, MAHLE / CLEVITE CRT239000S and REIN EPT0263, among others listed above.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | T76 | 🇺🇸 US | Standard | View on Amazon |
| REIN | CPE0035 | 🇺🇸 US 🇲🇽 MX | RADIATOR | View on Amazon |
| REIN | CPE0078 | 🇺🇸 US 🇲🇽 MX | Intercooler | View on Amazon |
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.
3 Coolant Reservoir Cap parts are listed for the 2021 BMW 745E, from REIN and MOTORAD.
Part numbers include MOTORAD T76, REIN CPE0035 and REIN CPE0078.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Popular | 13800C | 🇺🇸 US | PRIMARY | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | CR2307000P | 🇺🇸 US | Brazed cooling fins | View on Amazon |
| MAHLE / CLEVITE | CR2215000P | 🇺🇸 US | Brazed cooling fins | View on Amazon |
| MAHLE / CLEVITE | CR2799000P | 🇺🇸 US | Brazed cooling fins | View on Amazon |
| NISSENS | 606233 | 🇺🇸 US | Auxiliary (Location-Wheel Arch) | View on Amazon |
| NISSENS | 60867 | 🇺🇸 US | Aluminum Core / Aluminum Tank | View on Amazon |
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.
6 Radiator parts for the 2021 BMW 745E come from 3 brands — MAHLE / CLEVITE, NISSENS and GPD. The "Popular" part is GPD 13800C.
The Economy section: 1 option from GPD. GPD 13800C is listed in this group.
Standard Replacement: 5 parts, from MAHLE / CLEVITE and NISSENS. A representative part number is MAHLE / CLEVITE CR2307000P.
Part numbers include GPD 13800C, MAHLE / CLEVITE CR2307000P and MAHLE / CLEVITE CR2215000P, among others listed above.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1814574 | 🇺🇸 US | Engine Block | View on Amazon |
| VEMO | V20720201 | 🇺🇸 US | Position: Radiator | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | TS658 | 🇺🇸 US | with GaugeOn Engine | View on Amazon |
| WALKER PRODUCTS Popular | 2112021 | 🇺🇸 US | Sensor Only | View on Amazon |
| FACET | 73405 | 🇺🇸 US | Location-Cylinder Head | View on Amazon |
| STANDARD MOTOR PRODUCTS | TX332 | 🇺🇸 US | Located on Radiator | View on Amazon |
| WALKER PRODUCTS | 2112104 | 🇺🇸 US | Sensor Only | View on Amazon |
| WELLS | 5S15283 | 🇺🇸 US | Located on Cylinder Head | View on Amazon |
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.
8 Temperature Sender / Sensor parts for the 2021 BMW 745E come from 6 brands — STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, GPD and 3 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TS658.
The Economy section: 2 options from GPD and VEMO. GPD 1814574 is listed in this group.
Standard Replacement: 6 parts, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, FACET and 1 other brand. A representative part number is STANDARD MOTOR PRODUCTS TS658.
Part numbers include STANDARD MOTOR PRODUCTS TS658, GPD 1814574 and VEMO V20720201, among others listed above.
Thermostat
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP | SK1120221 | 🇺🇸 US | Includes Thermostat, Housing, Sensor, and Seal | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 1120221 | 🇺🇸 US | Includes Housing, Sensor, Seal | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| INA | XW0811 | 🇺🇸 US | Includes Thermostat, Housing, Sensor, and SealIntegrated Housing Thermostat | View on Amazon |
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.
3 Thermostat parts are listed for the 2021 BMW 745E, from SKP, MOTORAD and INA.
Economy: 1 part, from SKP. A representative part number is SKP SK1120221.
The Standard Replacement section: 1 option from MOTORAD. MOTORAD 1120221 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Listed part numbers: SKP SK1120221, MOTORAD 1120221 and INA XW0811.
Thermostat Housing / Water Outlet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V20990005 | 🇺🇸 US | Thermostat Housing | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
One part is listed for the 2021 BMW 745E — VEMO V20990005.
Water Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Popular | 0392023486 | 🇺🇸 US | Auxiliary Water Pump | View on Amazon |
| BOSCH Popular | 0392023509 | 🇺🇸 US | Auxiliary Water Pump | View on Amazon |
| FVP | 1153390 | 🇺🇸 US | View on Amazon | |
| GMB | 1153390 | 🇺🇸 US | View on Amazon | |
| GRAF | AWP061 | 🇺🇸 US 🇲🇽 MX | Electric Pump | View on Amazon |
| NISSENS | 832128 | 🇺🇸 US | HVAC SystemAuxiliary | View on Amazon |
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.
6 Water Pump parts are listed for the 2021 BMW 745E, from BOSCH, FVP, GMB and 2 other brands. BOSCH 0392023486 carries the "Popular" badge.
This group includes BOSCH 0392023486, BOSCH 0392023509 and FVP 1153390 and the remaining parts above.
Buying Cooling System Parts for a 2021 BMW 745E
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Confirm you have the 3.0L L6 ELECTRIC/GAS Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Temperature Sender / Sensor .
Frequently Asked Questions
How many cooling system parts fit the 2021 BMW 745E?
Our catalog currently lists 47 cooling system parts for the 2021 BMW 745E across 9 subcategories and 22 brands, covering the 3.0L L6 ELECTRIC/GAS Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2021 BMW 745E?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 BMW 745E was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 BMW 745E?
Every part on this page is matched to the 3.0L L6 ELECTRIC/GAS Turbocharged engine. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 BMW 745E
Cooling System Parts for Other BMW 745E Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.