The 2023 BMW 320I has 34 engine parts with verified fitment on this page — 17 part types and 11 brands, covering the 2.0L L4 Turbocharged engine. Each part includes a manufacturer part number and application notes.
The engine on the 2023 BMW 320I 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 Oil Filter (8 parts), Turbocharger Gasket (5 parts) and Valve Stem Seal (3 parts). The other 14 part types cover the remaining 18 parts.
Every part on this page is matched to the 2.0L L4 Turbocharged — the only engine offered in the 2023 BMW 320I.
The most listed brands for 2023 BMW 320I engine parts are AJUSA (21 parts), ELRING (3 parts) and WIX (2 parts), plus 8 more brands. Quality grades include Standard Replacement, Economy and High Performance / Heavy Duty.
3 parts on this 2023 BMW 320I page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including MAHLE / CLEVITE OX8132D (Oil Filter) and ELRING 087320 (Turbocharger Gasket). Click any part number to see every vehicle that part fits.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 54303200 | 🇲🇽 MX | Engine # B48B20A,B48B20B | 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.
This group shows a single part: AJUSA 54303200.
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.
AJUSA supplies both parts for the 2023 BMW 320I.
Listed part numbers: AJUSA 15075200 and AJUSA 15107900.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 81065000 | 🇲🇽 MX | Engine # B48B20A,B48B20B | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
This group shows a single part: AJUSA 81065000.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 10248100 | 🇲🇽 MX | Multi Layered SteelThickness: 0.7 MM | View on Amazon |
| AJUSA | 10248110 | 🇲🇽 MX | Multi Layered SteelThickness: 1 MM | 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.
2 Cylinder Head Gasket parts for the 2023 BMW 320I come from AJUSA.
Listed part numbers: AJUSA 10248100 and AJUSA 10248110.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 52563000 | 🇲🇽 MX | Engine # B48B20B | View on Amazon |
| AJUSA | 52565300 | 🇲🇽 MX | Engine # B48B20A | 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.
2 Cylinder Head Gasket Set parts for the 2023 BMW 320I come from AJUSA.
Listed part numbers: AJUSA 52563000 and AJUSA 52565300.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 50516100 | 🇲🇽 MX | Engine # B48B20B | View on Amazon |
| AJUSA | 50517300 | 🇲🇽 MX | Engine # B48B20A | 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.
2 Engine Kit Gasket Set parts for the 2023 BMW 320I come from AJUSA.
This group includes AJUSA 50516100 and AJUSA 50517300.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 13313000 | 🇲🇽 MX | Engine # B48B20B | 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.
This group shows a single part: AJUSA 13313000.
Oil Cooler Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 77031200 | 🇲🇽 MX | View on Amazon |
This table covers the gaskets that seal the Oil Cooler. 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 77031200.
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.
One part is listed for the 2023 BMW 320I — DORMAN 090088.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 21010400 | 🇲🇽 MX | Engine # B48B20A,B48B20Bwith 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.
This group shows a single part: AJUSA 21010400.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | G0358 | 🇲🇽 MX | View on Amazon | |
| PRO-TEC | PXL10358 | 🇲🇽 MX | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL | M1C354A | 🇲🇽 MX | Extended Performance | View on Amazon |
| WIX | WL10358XP | 🇲🇽 MX | XP Extreme DutyBest for Synthetic Motor Oils | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Popular | OX8132D | 🇲🇽 MX | Cartridge | View on Amazon |
| MANN Popular | HU60141Z | 🇲🇽 MX | View on Amazon | |
| VARIOUS MFR | PO99460EX | 🇲🇽 MX | Extended Life | View on Amazon |
| WIX | WL10358 | 🇲🇽 MX | 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.
8 Oil Filter parts are listed for the 2023 BMW 320I, from WIX, FVP, PRO-TEC and 4 other brands. MAHLE / CLEVITE OX8132D carries the "Popular" badge.
In the Economy grade, FVP and PRO-TEC supply 2 parts: the catalog's value-priced group. A representative part number is FVP G0358.
In the High Performance / Heavy Duty grade, MOBIL and WIX supply 2 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1C354A.
The Standard Replacement section lists 4 options from MAHLE / CLEVITE, MANN, VARIOUS MFR and 1 other brand — built to original-equipment specification. MAHLE / CLEVITE OX8132D is listed in this group.
Listed part numbers: MAHLE / CLEVITE OX8132D, FVP G0358 and PRO-TEC PXL10358, plus the other parts above.
Turbocharger Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Popular | 087320 | 🇲🇽 MX | View on Amazon | |
| AJUSA | JTC12488 | 🇲🇽 MX | Mounting Gasket Set | View on Amazon |
| AJUSA | JTC12524 | 🇲🇽 MX | Mounting Gasket Set | View on Amazon |
| ELRING | 087370 | 🇲🇽 MX | View on Amazon | |
| ELRING | 074140 | 🇲🇽 MX | Suction PipeInlet Gasket | 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.
5 Turbocharger Gasket parts for the 2023 BMW 320I come from 2 brands — ELRING and AJUSA. The "Popular" part is ELRING 087320.
Listed part numbers: ELRING 087320, AJUSA JTC12488 and AJUSA JTC12524, plus the other parts above.
Turbocharger Oil Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | OP11220 | 🇲🇽 MX | Engine # B48B20A,B48B20BSupply Tube | 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.
One part is listed for the 2023 BMW 320I — AJUSA OP11220.
Valve Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP | SK743462 | 🇲🇽 MX | View on Amazon |
This table covers the Valve covers.
This group shows a single part: SKP SK743462.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 11162700 | 🇲🇽 MX | Engine # B48B20A,B48B20B | 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.
One part is listed for the 2023 BMW 320I — AJUSA 11162700.
Valve Lifter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 85022300 | 🇲🇽 MX | Engine # B48B20A,B48B20B | View on Amazon |
This table covers the lifters / tappets that transfer cam motion to the valves.
One part is listed for the 2023 BMW 320I — AJUSA 85022300.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 57067700 | 🇲🇽 MX | Engine # B48B20A,B48B20B | View on Amazon |
| AJUSA | 12027900 | 🇲🇽 MX | IntakeEngine # B48B20A,B48B20B | View on Amazon |
| AJUSA | 12028200 | 🇲🇽 MX | ExhaustEngine # B48B20A,B48B20B | 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.
AJUSA supplies the 3 Valve Stem Seal parts for the 2023 BMW 320I.
This group includes AJUSA 57067700, AJUSA 12027900 and AJUSA 12028200.
Buying Engine Parts for a 2023 BMW 320I
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 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 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: Oil Filter and Turbocharger Gasket .
Frequently Asked Questions
How many engine parts fit the 2023 BMW 320I?
Our catalog currently lists 34 engine parts for the 2023 BMW 320I across 17 subcategories and 11 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2023 BMW 320I?
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 320I 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 320I?
Every part on this page is matched to the 2.0L L4 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 320I
Engine Parts for Other BMW 320I 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.