This page lists 25 engine parts for the 2025 BMW Alpina B8, across 12 part types, covering the 4.4L V8 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2025 BMW Alpina B8, 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. 14 parts of the 25 listed are Oil Filter (8 parts), Turbocharger Coolant Line (4 parts) and Crankshaft Seal (2 parts). The other 9 part types cover the remaining 11 parts.
The 2025 BMW Alpina B8 came with a single engine, the 4.4L V8 Turbocharged, and every part is verified against it.
16 brands supply engine parts for the 2025 BMW Alpina B8, led by REIN (5 parts), FEL-PRO (3 parts) and MAHLE / CLEVITE (2 parts), plus 13 more brands. Quality grades include Economy and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2025 BMW Alpina B8. 2 parts have it, including PRO-TEC PXL57189 (Oil Filter) and WIX 57189 (Oil Filter). Each part number opens a page with every vehicle that part fits.
Camshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | TCS46149 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
This table covers the seals at each camshaft end. 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.
This group shows a single part: FEL-PRO TCS46149.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | BS40780 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| MAHLE / CLEVITE | 68040 | 🇺🇸 US 🇨🇦 CA | RubberIncludes Flange | 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 2025 BMW Alpina B8 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.
Listed part numbers: FEL-PRO BS40780 and MAHLE / CLEVITE 68040.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | MO214 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the caps on the oil filler neck.
This group shows a single part: MOTORAD MO214.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRO-TEC Popular | PXL57189 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| CHAMP / LUBER-FINER | P987 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FAMOUS BRAND | 84189 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PUROLATOR | L25904 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER | 57189 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VARIOUS MFR | PO5904EX | 🇺🇸 US 🇨🇦 CA | Extended Life | View on Amazon |
| VARIOUS MFR | PG5904 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WIX Popular | 57189 | 🇺🇸 US 🇨🇦 CA | 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 for the 2025 BMW Alpina B8 come from 7 brands — VARIOUS MFR, PRO-TEC, CHAMP / LUBER-FINER and 4 other brands. The "Popular" part is PRO-TEC PXL57189.
The Economy section lists 7 options from VARIOUS MFR, PRO-TEC, CHAMP / LUBER-FINER and 3 other brands — the catalog's value-priced group. PRO-TEC PXL57189 is listed in this group.
In the Standard Replacement grade, WIX supplies 1 part: built to original-equipment specification. A representative part number is WIX 57189.
Part numbers include PRO-TEC PXL57189, CHAMP / LUBER-FINER P987 and FAMOUS BRAND 84189, among others listed above.
Oil Level Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | FLS325 | 🇺🇸 US 🇨🇦 CA | Base Trim Package | View on Amazon |
| ÜRO PARTS | 12618638754 | 🇺🇸 US 🇨🇦 CA | 12VTerminal Type: Blade | View on Amazon |
This table covers the Oil Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
2 Oil Level Sensor parts for the 2025 BMW Alpina B8 come from 2 brands — STANDARD MOTOR PRODUCTS and ÜRO PARTS.
Listed part numbers: STANDARD MOTOR PRODUCTS FLS325 and ÜRO PARTS 12618638754.
Oil Level Sensor Gasket / O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 16078650 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Level Sensor Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.
This group shows a single part: AJUSA 16078650.
Timing Cover Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | TCS46311 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| MAHLE / CLEVITE | 67930 | 🇺🇸 US 🇨🇦 CA | PTFE (Polytetrafluoroethylene) | View on Amazon |
This table covers the seals at the Timing Cover. 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 Timing Cover Seal parts for the 2025 BMW Alpina B8 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.
Part numbers include FEL-PRO TCS46311 and MAHLE / CLEVITE 67930.
Turbocharger Boost Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1581726 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Turbocharger Boost sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
One part is listed for the 2025 BMW Alpina B8 — BECK/ARNLEY 1581726.
Turbocharger Coolant Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | CHT0698 | 🇺🇸 US 🇨🇦 CA | Return (Turbocharger To Pipe)For Cylinder 5-8 | View on Amazon |
| REIN | CHT0697 | 🇺🇸 US 🇨🇦 CA | Supply (Turbocharger To Pipe)For Cylinder 1-4 | View on Amazon |
| REIN | CHT0696 | 🇺🇸 US 🇨🇦 CA | Return (Turbocharger To Pipe)For Cylinder 1-4 | View on Amazon |
| REIN | CHT0695 | 🇺🇸 US 🇨🇦 CA | Supply (Turbocharger To Pipe)For Cylinder 5-8 | 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.
4 Turbocharger Coolant Line parts for the 2025 BMW Alpina B8 come from REIN.
Part numbers include REIN CHT0698, REIN CHT0697 and REIN CHT0696, among others listed above.
Turbocharger Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 01158200 | 🇺🇸 US 🇨🇦 CA | Exhaust | 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 2025 BMW Alpina B8 — AJUSA 01158200.
Turbocharger Oil Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | TFP0345 | 🇺🇸 US 🇨🇦 CA | For Cyl. 1-4Supply 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.
This group shows a single part: REIN TFP0345.
Valve Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP | SK743462 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Valve covers.
One part is listed for the 2025 BMW Alpina B8 — SKP SK743462.
Buying Engine Parts for a 2025 BMW Alpina B8
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 4.4L V8 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 Coolant Line .
Frequently Asked Questions
How many engine parts fit the 2025 BMW Alpina B8?
Our catalog currently lists 25 engine parts for the 2025 BMW Alpina B8 across 12 subcategories and 16 brands, covering the 4.4L V8 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2025 BMW Alpina B8?
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 2025 BMW Alpina B8 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 Alpina B8?
Every part on this page is matched to the 4.4L V8 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 2025 BMW Alpina B8
Engine Parts for Other BMW Alpina B8 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.