The 2025 BMW 840I has 26 cooling system parts with verified fitment on this page — 11 part types and 12 brands, covering the 3.0L L6 Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2025 BMW 840I, 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 Radiator (5 parts), Water Pump (4 parts) and Coolant Reservoir (3 parts). The other 8 part types cover the remaining 14 parts.
Every part on this page is matched to the 3.0L L6 Turbocharged — the only engine offered in the 2025 BMW 840I.
The most listed brands for 2025 BMW 840I cooling system parts are REIN (6 parts), MAHLE / CLEVITE (4 parts) and NISSENS (4 parts), plus 9 more brands. Quality grades include Standard Replacement and Economy.
Each part number listed for the 2025 BMW 840I opens a page with every vehicle that part fits.
Coolant / Antifreeze
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 719009 | 🇺🇸 US | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| 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.
2 Coolant / Antifreeze parts for the 2025 BMW 840I come from VALVOLINE.
The Economy section lists 1 option from VALVOLINE — the catalog's value-priced group. VALVOLINE 719009 is listed in this group.
In the Standard Replacement grade, VALVOLINE supplies 1 part: built to original-equipment specification. A representative part number is VALVOLINE 904685.
This group includes VALVOLINE 719009 and VALVOLINE 904685.
Coolant Air Bleeder
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 902404 | 🇺🇸 US | Plastic | View on Amazon |
| DORMAN | 902404HP | 🇺🇸 US | OE FIX | View on Amazon |
This table covers the bleeders used to purge air from the coolant circuit.
DORMAN supplies both parts for the 2025 BMW 840I.
Part numbers include DORMAN 902404 and DORMAN 902404HP.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | EPT0263 | 🇺🇸 US | Intercoolerwithout Cap | View on Amazon |
| REIN | EPT0242 | 🇺🇸 US | Radiatorwithout Cap | View on Amazon |
| REIN | EPK0242 | 🇺🇸 US | Includes OE cap and fluid level sensor | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
REIN supplies the 3 Coolant Reservoir parts for the 2025 BMW 840I.
This group includes REIN EPT0263, REIN EPT0242 and REIN EPK0242.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | T76 | 🇺🇸 US | Standard | View on Amazon |
| REIN | CPE0035 | 🇺🇸 US | RADIATOR | View on Amazon |
| REIN | CPE0078 | 🇺🇸 US | 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 2025 BMW 840I, from REIN and MOTORAD.
This group includes MOTORAD T76, REIN CPE0035 and REIN CPE0078.
Radiator
| 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.
5 Radiator parts for the 2025 BMW 840I come from 2 brands — MAHLE / CLEVITE and NISSENS.
Listed part numbers: MAHLE / CLEVITE CR2307000P, MAHLE / CLEVITE CR2215000P and MAHLE / CLEVITE CR2799000P, plus the other parts above.
Radiator Fan Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | CFF549000P | 🇺🇸 US | & Motor | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
One part is listed for the 2025 BMW 840I — MAHLE / CLEVITE CFF549000P.
Radiator Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | CHR1020 | 🇺🇸 US | Material: Ethylene Propylene Terpolymer (EPDM) | View on Amazon |
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.
One part is listed for the 2025 BMW 840I — REIN CHR1020.
Temperature Sender / Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS | 207110 | 🇺🇸 US | Location-Cylinder Head | View on Amazon |
| STANDARD MOTOR PRODUCTS | TX332 | 🇺🇸 US | 840i Base Model or 840i xDrive Base Model | 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.
2 Temperature Sender / Sensor parts for the 2025 BMW 840I come from 2 brands — NISSENS and STANDARD MOTOR PRODUCTS.
This group includes NISSENS 207110 and STANDARD MOTOR PRODUCTS TX332.
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 |
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.
2 Thermostat parts are listed for the 2025 BMW 840I, from SKP and MOTORAD.
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.
This group includes SKP SK1120221 and MOTORAD 1120221.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | 11518482251 | 🇺🇸 US | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | 1153370 | 🇺🇸 US | View on Amazon | |
| GRAF | AWP061 | 🇺🇸 US | 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.
4 Water Pump parts are listed for the 2025 BMW 840I, from ÜRO PARTS, FVP, GRAF and 1 other brand.
Economy: 1 part, from ÜRO PARTS. A representative part number is ÜRO PARTS 11518482251.
The Standard Replacement section: 3 options from FVP, GRAF and NISSENS. FVP 1153370 is listed in this group.
This group includes ÜRO PARTS 11518482251, FVP 1153370 and GRAF AWP061 and the remaining parts above.
Water Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 01732500 | 🇺🇸 US | View on Amazon |
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.
This group shows a single part: AJUSA 01732500.
Buying Cooling System Parts for a 2025 BMW 840I
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 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: Radiator and Water Pump .
Frequently Asked Questions
How many cooling system parts fit the 2025 BMW 840I?
Our catalog currently lists 26 cooling system parts for the 2025 BMW 840I across 11 subcategories and 12 brands, covering the 3.0L L6 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2025 BMW 840I?
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 2025 BMW 840I 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 2025 BMW 840I?
Every part on this page is matched to the 3.0L L6 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 2025 BMW 840I
Cooling System Parts for Other BMW 840I 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.