This page lists 29 engine parts for the 2026 BMW Z4, across 13 part types, covering both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2026 BMW Z4, 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. 16 parts of the 29 listed are Oil Filter (8 parts), Oil (6 parts) and Oil Cooler (2 parts). The other 10 part types cover the remaining 13 parts.
The 2026 BMW Z4 was sold with both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
17 brands supply engine parts for the 2026 BMW Z4, led by REIN (9 parts), LIQUI MOLY (3 parts) and PENTOSIN (2 parts), plus 14 more brands. Quality grades include Standard Replacement, Economy and High Performance / Heavy Duty.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2026 BMW Z4. 4 parts have it, including LIQUI MOLY 22044 (Oil) and HENGST E859HD352 (Oil Filter). Each part number opens a page with every vehicle that part fits.
Harmonic Balancer Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: 3.0L L6 Turbocharged | HWB0074 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 10 x 65mm | View on Amazon |
This table covers the Harmonic Balancer bolts.
This group shows a single part: REIN HWB0074.
Oil
Summary: Notes list SAE 0W-20. Confirm the engine and the weight on the filler cap before you buy. Replacement brands in this table include LIQUI MOLY, PENTOSIN and VALVOLINE.
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LIQUI MOLY Popular Fits: 3.0L L6 Turbocharged | 22044 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec 6600 0W-201 Liter | View on Amazon |
| LIQUI MOLY Popular Fits: 3.0L L6 Turbocharged | 22046 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec 6600 0W-205 Liter | View on Amazon |
| LIQUI MOLY Fits: 3.0L L6 Turbocharged | 22048 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec 6600 0W-2020 Liter | View on Amazon |
| PENTOSIN Fits: 3.0L L6 Turbocharged | 8044317 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pento Speed FESAE 0W-20 | View on Amazon |
| PENTOSIN Fits: 3.0L L6 Turbocharged | 8044319 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pento Speed FESAE 0W-20 | View on Amazon |
| VALVOLINE Fits: 3.0L L6 Turbocharged | 888048 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | European Vehicle Full Synthetic SAE 0W-201 Quart | View on Amazon |
This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable.
6 Oil parts for the 2026 BMW Z4 come from 3 brands — LIQUI MOLY, PENTOSIN and VALVOLINE. The "Popular" part is LIQUI MOLY 22044.
Listed part numbers: LIQUI MOLY 22044, LIQUI MOLY 22046 and LIQUI MOLY 22048, plus the other parts above.
Oil Cooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS Fits: 3.0L L6 Turbocharged | 91359 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | M40I Modelwithout Housing | View on Amazon |
| REIN Fits: 3.0L L6 Turbocharged | ECK0273 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the heat exchangers that cool engine oil. Typical signs include oil at the cooler fittings, or coolant that looks like a milkshake. Pressure-test both circuits after a cooler swap — a leak here mixes oil and coolant.
2 Oil Cooler parts for the 2026 BMW Z4 come from 2 brands — NISSENS and REIN.
Part numbers include NISSENS 91359 and REIN ECK0273.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: 3.0L L6 Turbocharged | HWU1041 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the drain plugs in the oil pan.
This group shows a single part: REIN HWU1041.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: 3.0L L6 Turbocharged | MO214 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 |
|---|---|---|---|---|
| FVP Fits: 3.0L L6 Turbocharged | G0342 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| PRO-TEC Fits: 3.0L L6 Turbocharged | PXL10342 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Fits: 3.0L L6 Turbocharged | M1C457A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HENGST Popular Fits: 3.0L L6 Turbocharged | E859HD352 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Gasket SetCartridge | View on Amazon |
| MANN Popular Fits: 3.0L L6 Turbocharged | HU6022Z | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FEL-PRO Fits: 3.0L L6 Turbocharged | OFCS2040 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Cap and Filter | View on Amazon |
| VARIOUS MFR Fits: 3.0L L6 Turbocharged | PG99256EX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Life | View on Amazon |
| WIX Fits: 3.0L L6 Turbocharged | WL10342 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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 for the 2026 BMW Z4 come from 8 brands — FVP, PRO-TEC, MOBIL and 5 other brands. The "Popular" part is HENGST E859HD352.
The Economy section lists 2 options from FVP and PRO-TEC — the catalog's value-priced group. FVP G0342 is listed in this group.
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, HENGST, MANN, FEL-PRO and 2 other brands supply 5 parts: built to original-equipment specification. A representative part number is HENGST E859HD352.
Part numbers include HENGST E859HD352, FVP G0342 and PRO-TEC PXL10342, among others listed above.
Oil Filter Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: 3.0L L6 Turbocharged | MO388 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| REIN Fits: 3.0L L6 Turbocharged | CPL0070 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Oil Filter covers.
2 Oil Filter Cover parts are listed for the 2026 BMW Z4, from MOTORAD and REIN.
Part numbers include MOTORAD MO388 and REIN CPL0070.
Oil Level Sensor Gasket / O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 3.0L L6 Turbocharged | 351210 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Colour: BlackMaterial: AEM (Ethylene Acrylate Rubber) | 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: ELRING 351210.
Oil Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: 3.0L L6 Turbocharged | ESK0247 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Kit | View on Amazon |
This table covers the oil pans that hold the engine's oil sump.
One part is listed for the 2026 BMW Z4 — REIN ESK0247.
Turbocharger Coolant Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: 3.0L L6 Turbocharged | CHT0972 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Return | View on Amazon |
| REIN Fits: 3.0L L6 Turbocharged | CHT0971 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Supply | 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.
2 Turbocharger Coolant Line parts for the 2026 BMW Z4 come from REIN.
Part numbers include REIN CHT0972 and REIN CHT0971.
Turbocharger Oil Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: 3.0L L6 Turbocharged | TFP0393 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Supply Line | View on Amazon |
| REIN Fits: 3.0L L6 Turbocharged | TRP0391 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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.
2 Turbocharger Oil Line parts for the 2026 BMW Z4 come from REIN.
This group includes REIN TFP0393 and REIN TRP0391.
Valve Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Fits: 3.0L L6 Turbocharged | SK743462 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | M40i Model | View on Amazon |
This table covers the Valve covers.
One part is listed for the 2026 BMW Z4 — SKP SK743462.
Variable Valve Timing (VVT) Solenoid Gasket / Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.0L L6 Turbocharged | 01907000 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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 2026 BMW Z4 — AJUSA 01907000.
Buying Engine Parts for a 2026 BMW Z4
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.
- Match the engine first. Every engine part here is engine-specific; each row shows which engine(s) it fits.
- 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 Oil .
Frequently Asked Questions
How many engine parts fit the 2026 BMW Z4?
Our catalog currently lists 29 engine parts for the 2026 BMW Z4 across 13 subcategories and 17 brands, covering both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. Each part is matched to the engine(s) it fits.
Do engine parts differ between 2026 BMW Z4 engines?
Yes. Every engine part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of engine problems on a 2026 BMW Z4?
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 oil viscosity is listed for the 2026 BMW Z4?
Oil rows on this page include SAE 0W-20. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
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 2026 BMW Z4 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 2026 BMW Z4?
First match the engine — each row shows which engine(s) the part fits. 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 2026 BMW Z4
Engine Parts for Other BMW Z4 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.