Sumyola N20 Engine Valve Cover Replacement for BMW N20B20 2012–2016 — OEM-fit, Leak-Resistant

SUMYOLA N20 Engine Valve Cover Replacement is a direct-fit replacement valve cover engineered to match BMW N20 2.0L turbo engines (2012–2016) and replace OEM part number 11127588412.

This replacement valve cover is designed for BMW models equipped with the N20B20 2.0L turbocharged engine and offers a factory-style fit, protective sealing, and corrosion-resistant construction. Manufactured in a production facility with IATF16949:2016 certification and more than a decade of experience, this part aims to restore proper sealing around camshafts, rockers, and valves and prevent oil leaks that commonly occur with aging OEM covers and gaskets.

Which BMW models and years does this SUMYOLA valve cover fit?

This valve cover is built specifically for the N20B20 2.0L turbo engine and fits many BMW models produced between 2012 and 2016. It replaces OEM number 11127588412 and is compatible with certain 1, 2, 3, 4 and 5 Series, plus X1, X3, X4 and Z4 variants that shipped with the N20 engine.

• Compatible models include: 125i, 228i, 320i, 328i, 420i, 428i, 520i, 528i, X1, X3, X4, and Z4 with N20 engines (2012–2016).
• Matches OEM reference: 11127588412 for accurate fitment.
• Not compatible with B48 engines (2016+), N26 SULEV models, 28i X3 after 2015, or diesel engines.

How does this valve cover prevent oil leaks and protect engine components?

The valve cover serves as a protective enclosure over the valvetrain and, paired with a properly seated gasket, stops engine oil from escaping around camshafts and valve mechanisms. SUMYOLA supplies the cover built to OEM-like tolerances and the factory quality control helps ensure consistent sealing surfaces.

• Precision-molded cover surfaces for uniform gasket contact and reduced leak risk.
• Designed to shield rocker arms, camshafts, and valve train from contaminants.
• Factory inspection and repeated testing by the supplier’s QC team before shipment.

What quality assurances and warranty come with this part?

SUMYOLA manufactures this valve cover in a certified production environment and provides a one-year warranty against manufacturing defects. The brand also offers remote engineering support to help diagnose installation issues and read fault codes if they appear after replacement.

• IATF16949:2016 certified production facility and over 16 years of manufacturing experience.
• Independent quality control inspections and repeated testing on each unit.
• One-year limited warranty and remote technical assistance from the engineering team.

How can I confirm this part fits my BMW before or after I order?

If you’re unsure about compatibility, SUMYOLA requests the vehicle VIN after order placement to verify fitment and will promptly refund non-applicable parts. This helps ensure you receive the correct replacement for your engine variant.

• Provide your VIN to the seller after purchase for fast verification.
• Refunds issued immediately for parts that do not match your vehicle.
• Customer support available to clarify fitment questions pre- or post-sale.

Who is this for: This SUMYOLA valve cover replacement is intended for BMW owners, independent mechanics, and repair shops that need a reliable, OEM-referenced valve cover for N20 2.0L turbo engines built 2012–2016. Choose this part if you need a direct-fit replacement to stop oil leaks, restore proper sealing around the valvetrain, and maintain engine cleanliness—while retaining access to factory-style quality control and a one-year warranty. If your vehicle uses a B48 engine, N26 SULEV, later-generation 28i X3, or a diesel powertrain, this unit is not compatible; verify your engine code or VIN first for a correct match.