This page lists 70 cooling system parts for the 2018 BMW 330I, across 11 part types, covering the 2.0L L4 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2018 BMW 330I, 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 (16 parts), Coolant / Antifreeze (13 parts) and Coolant Hose / Pipe (9 parts). The other 8 part types cover the remaining 32 parts.
Every part on this page is matched to the 2.0L L4 Turbocharged — the only engine offered in the 2018 BMW 330I.
The most listed brands for 2018 BMW 330I cooling system parts are REIN (11 parts), NISSENS (7 parts) and VAICO (6 parts), plus 21 more brands. Quality grades include Standard Replacement, Economy and Premium.
14 parts on this 2018 BMW 330I page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP MV5050GAL (Coolant / Antifreeze) and REIN CHE0925 (Coolant Hose / Pipe). 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 🇨🇦 CA 🇲🇽 MX | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended LifeAll Makes / All Models | View on Amazon |
| PRESTONE Popular | AF3100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE | AF6110 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MAX Original EquipmentEuropean Blue | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN | ACE008 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BlueHOAT | View on Amazon |
| PEAK | PEB1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OET European Extended Life Blue1 Gallon | View on Amazon |
| VALVOLINE | 904685 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 2018 BMW 330I 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.
Coolant Air Bleeder
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 902404 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 330i Base Model or 330i xDrivePlastic | View on Amazon |
| DORMAN | 902404HP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE FIX | View on Amazon |
| SKP | SK902404 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Plastic | View on Amazon |
| SKP | SK902404HP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 330i Base Model or 330i xDriveBrass | View on Amazon |
This table covers the bleeders used to purge air from the coolant circuit.
4 Coolant Air Bleeder parts are listed for the 2018 BMW 330I, from DORMAN and SKP.
Listed part numbers: DORMAN 902404, DORMAN 902404HP and SKP SK902404, plus the other parts above.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Popular | CHE0925 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Expansion Tank (Upper) To Cylinder Heads | View on Amazon |
| ÜRO PARTS Popular | 17129845173 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | On Reservoir | View on Amazon |
| REIN | CHE0994 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Expansion Tank (Upper) To Upper Radiator Hose | View on Amazon |
| REIN | CHE0848 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Transmission Oil Cooler To Heat Exchanger | View on Amazon |
| SKP | SK121384 | 🇺🇸 US 🇲🇽 MX | Pipe | View on Amazon |
| ÜRO PARTS | 17128616914 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Inlet To Change Over Valve | View on Amazon |
| ÜRO PARTS | 17128616528 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Upper | View on Amazon |
| VAICO | V204474 | 🇺🇸 US 🇨🇦 CA | Pipe | View on Amazon |
| VAICO | V204469 | 🇺🇸 US 🇨🇦 CA | Pipe | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
9 Coolant Hose / Pipe parts for the 2018 BMW 330I come from 4 brands — REIN, ÜRO PARTS, VAICO and 1 other brand. The "Popular" part is REIN CHE0925.
Part numbers include REIN CHE0925, ÜRO PARTS 17129845173 and REIN CHE0994, among others listed above.
Coolant Hose / Pipe Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | 283410 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: FPM (Fluoride Rubber) | View on Amazon |
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.
One part is listed for the 2018 BMW 330I — ELRING 283410.
Coolant Hose Connector / Flange
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Popular | CHU0929 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Block To Radiator Hosewith Metal Connector | View on Amazon |
| MOTORAD | CH7113 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes housing and seal | View on Amazon |
| VAICO | V203560 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VAICO | V203530 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VNE | 41000263 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Coolant Hose Connector flanges.
5 Coolant Hose Connector / Flange parts for the 2018 BMW 330I come from 4 brands — VAICO, REIN, MOTORAD and 1 other brand. The "Popular" part is REIN CHU0929.
Part numbers include REIN CHU0929, MOTORAD CH7113 and VAICO V203560, among others listed above.
Coolant Hose Flange Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO | V202362 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits 330i GT xDriveBody code F34 | View on Amazon |
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.
This group shows a single part: VAICO V202362.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Popular | EPK0235 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes OE cap and fluid level sensor | View on Amazon |
| ÜRO PARTS Popular | 17138677649 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RADIATOR | View on Amazon |
| GPD | 2411316 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 330i Base Model or 330i GT xDrive | View on Amazon |
| MAHLE / CLEVITE | CRT246000S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Plastic | View on Amazon |
| MAHLE / CLEVITE | CRT245000S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Auxiliary330i Base Model or 330i xDrive | View on Amazon |
| REIN | EPT0259 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Intercoolerwithout Cap | View on Amazon |
| REIN | EPT0235 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Radiatorwithout Cap | View on Amazon |
| VAICO | V205117 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Right | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
8 Coolant Reservoir parts are listed for the 2018 BMW 330I, from REIN, MAHLE / CLEVITE, ÜRO PARTS and 2 other brands. REIN EPK0235 carries the "Popular" badge.
Listed part numbers: REIN EPK0235, ÜRO PARTS 17138677649 and GPD 2411316, plus the other parts above.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular | T64 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Standard | View on Amazon |
| CALORSTAT | RC0084 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Auxiliary | View on Amazon |
| CALORSTAT | RC0083 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Maximum Pressure Rating: 20.0 PS | View on Amazon |
| MOTORAD | T76 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Standard | View on Amazon |
| REIN | CPE0035 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RADIATOR | 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.
5 Coolant Reservoir Cap parts are listed for the 2018 BMW 330I, 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.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 13788 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Main Radiatorwith Sport Package | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KOYORAD Popular | A137821 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| KOYORAD Popular | A13788 | 🇺🇸 US 🇨🇦 CA | 330i xDrive | View on Amazon |
| TYC Popular | 13782 | 🇺🇸 US 🇨🇦 CA | Fits 330i GT xDriveBody code F34 | View on Amazon |
| TYC Popular | 13788 | 🇺🇸 US 🇲🇽 MX | PrimaryAutomatic trans. | View on Amazon |
| AGILITY | 8013788 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 330i Base Model or 330i xDrive | View on Amazon |
| KOYORAD | A13987 | 🇺🇸 US 🇨🇦 CA | 330i xDriveExclude M Sport Package | View on Amazon |
| NISSENS | 606296 | 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS | 606397 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS | 606785 | 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS | 606784 | 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS | 606783 | 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS | 606514 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS | 607116 | 🇺🇸 US 🇨🇦 CA | Fits 330i Base ModelExc.M Sport Package | View on Amazon |
| OSC | 13788 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 330i Base Model or 330i xDrivewith Sport Package | View on Amazon |
| UAC | RA13782C | 🇺🇸 US 🇨🇦 CA | Fits 330i GT xDriv | 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.
16 Radiator parts for the 2018 BMW 330I come from 7 brands — NISSENS, KOYORAD, TYC and 4 other brands. The "Popular" part is KOYORAD A137821.
The Economy section: 1 option from GPD. GPD 13788 is listed in this group.
Standard Replacement: 15 parts, from NISSENS, KOYORAD, TYC and 3 other brands. A representative part number is KOYORAD A137821.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SK621303 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Fan Blade & Motor | View on Amazon |
| TECHPRO | BM3115131 | 🇺🇸 US 🇨🇦 CA | Fits F34GT xDriv | View on Amazon |
| TECHPRO | BM3115132 | 🇺🇸 US 🇨🇦 CA | F30Sedan | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 75321 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with M Sport Package | View on Amazon |
| FOUR SEASONS | 75323 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without M Sport Package | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
5 Radiator Fan Assembly parts are listed for the 2018 BMW 330I, from TECHPRO, FOUR SEASONS and SKP. SKP SK621303 carries the "Popular" badge.
Economy: 3 parts, from TECHPRO and SKP. A representative part number is SKP SK621303.
The Standard Replacement section: 2 options from FOUR SEASONS. FOUR SEASONS 75321 is listed in this group.
This group includes SKP SK621303, TECHPRO BM3115131 and TECHPRO BM3115132 and the remaining parts above.
Radiator Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | CHR0854 | 🇺🇸 US | UpperThermostat To Radiator | View on Amazon |
| REIN | CHR0860 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | UpperRadiator To Engine | View on Amazon |
| REIN | CHR1047 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | UpperThermostat To Radiator | 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.
REIN supplies the 3 Radiator Hose parts for the 2018 BMW 330I.
Listed part numbers: REIN CHR0854, REIN CHR0860 and REIN CHR1047.
Buying Cooling System Parts for a 2018 BMW 330I
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 2.0L L4 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 Coolant / Antifreeze .
Frequently Asked Questions
How many cooling system parts fit the 2018 BMW 330I?
Our catalog currently lists 70 cooling system parts for the 2018 BMW 330I across 11 subcategories and 24 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2018 BMW 330I?
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 2018 BMW 330I 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 2018 BMW 330I?
Every part on this page is matched to the 2.0L L4 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 2018 BMW 330I
Cooling System Parts for Other BMW 330I Years
Switch vehicle or jump to a subcategory
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.