This page lists 14 cooling system parts for the 2021 BMW 745LE Xdrive, across 4 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 745LE Xdrive, 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. 13 parts of the 14 listed are Coolant / Antifreeze (7 parts), Coolant Reservoir (4 parts) and Coolant Reservoir Cap (2 parts). The other 1 part type covers the remaining 1 part.
Every part on this page is matched to the 3.0L L6 ELECTRIC/GAS Turbocharged — the only engine offered in the 2021 BMW 745LE Xdrive.
The most listed brands for 2021 BMW 745LE Xdrive cooling system parts are REIN (5 parts), PEAK (4 parts) and VALVOLINE (2 parts), plus 3 more brands. Quality grades include Standard Replacement, Premium and Economy.
2 parts on this 2021 BMW 745LE Xdrive page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including VALVOLINE 859537 (Coolant / Antifreeze) and VALVOLINE 861399 (Coolant / Antifreeze). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK | BQA1GAL | 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK | PKP1GAL | 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇨🇦 CA | 1 GallonGlobal Lifetime | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | 859537 | 🇨🇦 CA | G48 Blue1 Gallon | View on Amazon |
| VALVOLINE Popular | 861399 | 🇨🇦 CA | G40 Pink1 Gallon | View on Amazon |
| AISIN | ACE008 | 🇨🇦 CA | BlueHOAT | View on Amazon |
| PEAK | PEB1GAL | 🇨🇦 CA | OET European Extended Life Blue1 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.
7 Coolant / Antifreeze parts for the 2021 BMW 745LE Xdrive come from 3 brands — PEAK, VALVOLINE and AISIN. The "Popular" part is VALVOLINE 859537.
The Economy section lists 1 option from PEAK — the catalog's value-priced group. PEAK BQA1GAL is listed in this group.
In the Premium grade, PEAK supplies 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PEAK PKP1GAL.
In the Standard Replacement grade, VALVOLINE, AISIN and PEAK supply 4 parts: built to original-equipment specification. A representative part number is VALVOLINE 859537.
Listed part numbers: VALVOLINE 859537, PEAK BQA1GAL and PEAK PKP1GAL, plus the other parts above.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 2411317 | 🇨🇦 CA | View on Amazon | |
| REIN | EPT0263 | 🇨🇦 CA | Intercoolerwithout Cap | View on Amazon |
| REIN | EPT0242 | 🇨🇦 CA | Radiatorwithout Cap | View on Amazon |
| REIN | EPK0242 | 🇨🇦 CA | Includes OE cap and fluid level sensor | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
4 Coolant Reservoir parts are listed for the 2021 BMW 745LE Xdrive, from REIN and GPD.
This group includes GPD 2411317, REIN EPT0263 and REIN EPT0242 and the remaining parts above.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | CPE0035 | 🇨🇦 CA | RADIATOR | View on Amazon |
| REIN | CPE0078 | 🇨🇦 CA | 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.
REIN supplies both parts for the 2021 BMW 745LE Xdrive.
This group includes REIN CPE0035 and REIN CPE0078.
Water Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GRAF | AWP061 | 🇨🇦 CA | Electric Pump | 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.
One part is listed for the 2021 BMW 745LE Xdrive — GRAF AWP061.
Buying Cooling System Parts for a 2021 BMW 745LE Xdrive
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 Coolant Reservoir .
Frequently Asked Questions
How many cooling system parts fit the 2021 BMW 745LE Xdrive?
Our catalog currently lists 14 cooling system parts for the 2021 BMW 745LE Xdrive across 4 subcategories and 6 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 745LE Xdrive?
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 745LE Xdrive 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 745LE Xdrive?
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 745LE Xdrive
Cooling System Parts for Other BMW 745LE Xdrive 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.