The 2023 BMW 440I has 33 engine parts with verified fitment on this page — 20 part types and 7 brands, covering the 3.0L L6 Turbocharged engine. Each part includes a manufacturer part number and application notes.
The engine on the 2023 BMW 440I covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. The largest groups are Turbocharger Coolant Line (5 parts), Turbocharger Oil Line (3 parts) and Valve Cover (3 parts). The other 17 part types cover the remaining 22 parts.
The 2023 BMW 440I came with a single engine, the 3.0L L6 Turbocharged, and every part is verified against it.
7 brands supply engine parts for the 2023 BMW 440I, led by AJUSA (18 parts), REIN (10 parts) and DORMAN (1 part), plus 4 more brands. Quality grades include High Performance / Heavy Duty and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2023 BMW 440I. 1 part has it: REIN CHT0962 (Turbocharger Coolant Line). Each part number opens a page with every vehicle that part fits.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 54302500 | 🇲🇽 MX | View on Amazon |
This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 2023 BMW 440I — AJUSA 54302500.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 15075200 | 🇲🇽 MX | FrontClockwise | View on Amazon |
| AJUSA | 15107900 | 🇲🇽 MX | RearCounter Clockwise | View on Amazon |
This table covers the front and rear seals that keep oil in at the crankshaft. 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.
2 Crankshaft Seal parts for the 2023 BMW 440I come from AJUSA.
Listed part numbers: AJUSA 15075200 and AJUSA 15107900.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 81069200 | 🇲🇽 MX | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
One part is listed for the 2023 BMW 440I — AJUSA 81069200.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 10248900 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| AJUSA | 10248910 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
This table covers the head gaskets that seal the block to the cylinder head. 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.
AJUSA supplies both parts for the 2023 BMW 440I.
This group includes AJUSA 10248900 and AJUSA 10248910.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 52635900 | 🇲🇽 MX | View on Amazon |
This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 2023 BMW 440I — AJUSA 52635900.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 50565600 | 🇲🇽 MX | View on Amazon |
This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 2023 BMW 440I — AJUSA 50565600.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 13313000 | 🇲🇽 MX | View on Amazon |
This table covers the gaskets between the intake manifold and the cylinder head. 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.
One part is listed for the 2023 BMW 440I — AJUSA 13313000.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 090088 | 🇲🇽 MX | MetalStandard | View on Amazon |
This table covers the drain plugs in the oil pan.
This group shows a single part: DORMAN 090088.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 21010400 | 🇲🇽 MX | with Original Equipment (OE) # 7119963132 | View on Amazon |
This table covers the crush washers and gaskets under the oil drain plug. 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.
One part is listed for the 2023 BMW 440I — AJUSA 21010400.
Oil Filter
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL | M1C457A | 🇲🇽 MX | Extended Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR | PG99256EX | 🇲🇽 MX | Extended Life | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
2 Oil Filter parts for the 2023 BMW 440I come from 2 brands — MOBIL and VARIOUS MFR.
The High Performance / Heavy Duty section lists 1 option from MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1C457A is listed in this group.
In the Standard Replacement grade, VARIOUS MFR supplies 1 part: built to original-equipment specification. A representative part number is VARIOUS MFR PG99256EX.
This group includes MOBIL M1C457A and VARIOUS MFR PG99256EX.
Turbocharger Coolant Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Popular | CHT0962 | 🇲🇽 MX | Supply | View on Amazon |
| REIN | CHT0963 | 🇲🇽 MX | Return (Turbocharger To Pipe) | View on Amazon |
| REIN | CHT0964 | 🇲🇽 MX | Auxiliary Water Pump To Pipe (Return)Complete Assembly | View on Amazon |
| REIN | CHT0964B | 🇲🇽 MX | Auxiliary Water Pump To Pipe (Return)Hose and Fitting Only | View on Amazon |
| REIN | CHT0974 | 🇲🇽 MX | Auxiliary Water Pump To Oil Filter Housing | View on Amazon |
This table covers the Turbocharger Coolant lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early.
5 Turbocharger Coolant Line parts for the 2023 BMW 440I come from REIN. The "Popular" part is REIN CHT0962.
Listed part numbers: REIN CHT0962, REIN CHT0963 and REIN CHT0964, plus the other parts above.
Turbocharger Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | JTC12750 | 🇲🇽 MX | Mounting Gasket Set | View on Amazon |
This table covers the gaskets that seal the Turbocharger. 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.
One part is listed for the 2023 BMW 440I — AJUSA JTC12750.
Turbocharger Mounting Hardware
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | TRK0025 | 🇲🇽 MX | View on Amazon |
This table covers the fasteners that mount the turbocharger.
One part is listed for the 2023 BMW 440I — REIN TRK0025.
Turbocharger Oil Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | OP11237 | 🇲🇽 MX | Supply tube | View on Amazon |
| REIN | TFP0390 | 🇲🇽 MX | Supply Line | View on Amazon |
| REIN | TRP0391 | 🇲🇽 MX | Return Line | View on Amazon |
This table covers the Turbocharger Oil lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early.
3 Turbocharger Oil Line parts for the 2023 BMW 440I come from 2 brands — REIN and AJUSA.
This group includes AJUSA OP11237, REIN TFP0390 and REIN TRP0391.
Valve Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | VCE0113 | 🇲🇽 MX | View on Amazon | |
| REIN | VCK0113 | 🇲🇽 MX | Kit | View on Amazon |
| SKP | SK743462 | 🇲🇽 MX | View on Amazon |
This table covers the Valve covers.
3 Valve Cover parts are listed for the 2023 BMW 440I, from REIN and SKP.
Part numbers include REIN VCE0113, REIN VCK0113 and SKP SK743462.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 56080600 | 🇲🇽 MX | View on Amazon |
This table covers the gaskets that seal the valve cover to the cylinder head. 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 56080600.
Valve Lifter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 85022300 | 🇲🇽 MX | View on Amazon |
This table covers the lifters / tappets that transfer cam motion to the valves.
This group shows a single part: AJUSA 85022300.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 57051500 | 🇲🇽 MX | View on Amazon | |
| AJUSA | 12027900 | 🇲🇽 MX | Intake4.5 x 9.8 x 21.5 | View on Amazon |
| AJUSA | 12028200 | 🇲🇽 MX | Exhaust5.2 x 9.8 x 21.15 | View on Amazon |
This table covers the seals on each valve stem that control oil into the guides. 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.
3 Valve Stem Seal parts for the 2023 BMW 440I come from AJUSA.
Listed part numbers: AJUSA 57051500, AJUSA 12027900 and AJUSA 12028200.
Variable Valve Timing (VVT) Solenoid / Actuator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES | VVS229 | 🇲🇽 MX | View on Amazon |
This table covers the oil-control solenoids that command the cam phasers. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same.
This group shows a single part: GATES VVS229.
Variable Valve Timing (VVT) Solenoid Gasket / Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 01907000 | 🇲🇽 MX | View on Amazon |
This table covers the seals at the Variable Valve Timing (VVT) Solenoid Gasket. 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 2023 BMW 440I — AJUSA 01907000.
Buying Engine Parts for a 2023 BMW 440I
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- 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 seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Turbocharger Coolant Line and Turbocharger Oil Line .
Frequently Asked Questions
How many engine parts fit the 2023 BMW 440I?
Our catalog currently lists 33 engine parts for the 2023 BMW 440I across 20 subcategories and 7 brands, covering the 3.0L L6 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2023 BMW 440I?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. 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 seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
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 2023 BMW 440I 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 2023 BMW 440I?
Every part on this page is matched to the 3.0L L6 Turbocharged engine. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2023 BMW 440I
Engine Parts for Other BMW 440I 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.