Sumyola N55 Engine Valve Cover for BMW N55 3.0L Turbo — Direct-Fit Replacement, OEM Footprint

SUMYOLA's N55 engine valve cover is a direct-fit replacement for BMW N55 3.0L turbo engines, restoring the top-of-engine sealing, appearance, and oil containment to factory-style performance.

This precision-molded valve cover is engineered specifically for vehicles powered by BMW's N55 3.0L turbocharged engine family. Built to the OEM footprint (reference 11127570292) and manufactured in an IATF16949-certified facility, the cover replaces worn or damaged originals that cause oil seepage, dirt ingress, or aesthetic degradation at the top of the engine. It ships with quality control inspection and a one-year warranty, plus remote engineering support for fitment questions or fault-code troubleshooting.

Which BMW models and engines does this valve cover fit?

This valve cover is designed exclusively for the BMW N55 3.0L turbo engine and will not fit N20, N52, or N54 engines. Confirm compatibility by matching the engine code or providing your vehicle VIN to the seller for verification before installation.

• Fits: 135i (E82 2011–2013), 335i (E90/E92 2011–2013, F30 2012–2015)
• Also fits: 435i, 535i (F10 2011–2016), 640i, 740i, X1, X3 xDrive35i, X4, X5, X6 as listed by production years
• Not compatible with: X3 28i/20i/18i or any non-N55 engines

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

The valve cover seals the cylinder head's upper area and works with a valve cover gasket to block oil from escaping across camshafts, rockers, and valves. SUMYOLA manufactures covers to precise tolerances so the mating surface remains flat and leak-free under normal operating conditions.

• Precision molding reduces uneven contact and gasket pinch points
• Engineered to OEM dimensions to maintain correct bolt torque and seal compression
• Protects internal valvetrain from dust and moisture while directing oil back into the sump

What should I expect during installation and service life?

Installation follows the same procedure as the original part: drain or clean adjacent oil as needed, replace the valve cover gasket, and torque bolts to BMW specifications. SUMYOLA inspects each cover before shipment and offers a one-year warranty plus remote engineering assistance if fitment or fault codes appear after replacement.

• Requires valve cover gasket (replace simultaneously) and correct torque sequence
• Professional or experienced DIY recommended for correct bolt torque and wiring/PCV reconnection
• Factory QC and testing aim to ensure long-term sealing and fit

Why choose the SUMYOLA replacement instead of a used or generic cover?

SUMYOLA produces covers in an IATF16949-certified plant with over a decade of component manufacturing experience, which helps deliver consistent fit and material quality compared with unknown used parts. New covers eliminate hidden damage, warped mating surfaces, or brittle plastic that often cause recurring leaks.

• New unit eliminates wear-related warping and cracks common in used covers
• One-year warranty and factory QC reduce the chance of early failures
• Engineering support available for VIN-based fit confirmation and troubleshooting

Who is this for: This valve cover is intended for BMW owners, mechanics, and performance shops working on N55 3.0L turbo engines who need an OEM-dimension replacement to stop oil leaks, refresh engine bay appearance, or prepare a vehicle for reliable everyday use. If you are unsure about compatibility, provide your VIN to SUMYOLA for a fit check prior to installation.