For BMW Engine Valve Cover 1 series E81 E82 E87 E88 118i, 120i 11128645888
For BMW Engine Valve Cover 1 series E81 E82 E87 E88 118i, 120i 11128645888 is a direct-fit replacement valve cover for N46/N46N engines, priced at $75.13, designed to restore proper oil sealing and protect valve train components during routine maintenance or engine rebuilds.
● In stock
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Key features
- Material - high-temperature aluminum alloy for lightweight durability.
- Fitment - direct replacement for N46/N46N engines in E81/E82/E87/E88 118i/120i.
- Integrated gasket - factory-matched sealing surface, no extra gasket needed.
- Reinforced ribs - added rigidity reduces warpage during heat cycles.
- OEM tolerance - bolt-hole pattern and dimensions match original part.
- Corrosion-resistant coating - protects against moisture and road salts.
Pros
- +Exact OEM fit eliminates modification.
- +Aluminum construction resists heat and corrosion.
- +Integrated gasket saves time and parts.
Cons
- −Requires removal of existing cover and gasket.
- −May need torque wrench for proper installation.
About For BMW Engine Valve Cover 1 series E81 E82 E87 E88 118i, 120i 11128645888
What is For BMW Engine Valve Cover 1 series E81 E82 E87 E88 118i, 120i 11128645888?
The For BMW Engine Valve Cover 1 series E81 E82 E87 E88 118i, 120i 11128645888 is an OEM-grade replacement designed specifically for the N46 and N46N four-cylinder engines found in a range of early-generation 1-series BMWs. Constructed from high-temperature aluminum alloy, the cover provides a lightweight yet durable seal for the valve train, protecting against oil leaks and debris intrusion. At $75.13, it offers a cost-effective alternative to factory-priced parts while maintaining the same dimensional tolerances and bolt-hole pattern as the original component.
Installation requires standard hand tools and a basic understanding of engine disassembly, making it suitable for experienced DIY mechanics and professional service shops alike. The cover includes pre-drilled mounting holes that align precisely with the engine block, and the integrated gasket surface ensures a tight seal without the need for additional sealing compounds. Its design also incorporates reinforced ribs to reduce flex under thermal cycling, extending service life in both street and track applications.
Key features
- Material - high-temperature aluminum alloy for lightweight durability.
- Fitment - direct replacement for N46/N46N engines in E81, E82, E87, E88 118i and 120i models.
- Integrated gasket - factory-matched sealing surface eliminates extra gasket purchases.
- Reinforced ribs - added rigidity reduces warpage during heat cycles.
- OEM tolerance - bolt-hole pattern and dimensions match original part.
- Corrosion-resistant coating - protects against moisture and road salts.
- Easy installation - pre-drilled holes and clear torque specifications.
Who is For BMW Engine Valve Cover 1 series E81 E82 E87 E88 118i, 120i 11128645888 for?
This valve cover is ideal for owners of BMW 1-series models equipped with the N46 engine family who need to replace a cracked or leaking cover, as well as for rebuild projects where a fresh seal is critical. It also serves independent garages that require a reliable, cost-effective part to keep turnaround times short. Because the component meets OEM specifications, it is equally appropriate for performance-oriented builds that demand consistent oil pressure and thermal stability.
How does For BMW Engine Valve Cover 1 series E81 E82 E87 E88 118i, 120i 11128645888 compare?
Compared with generic aftermarket valve covers, this unit offers superior fit and finish, matching the original part's thickness and mounting geometry. While some low-cost alternatives use thinner steel or plastic, the aluminum construction here balances weight savings with heat resistance. In contrast to refurbished covers, the new part guarantees a pristine gasket surface and eliminates the risk of hidden corrosion, delivering longer service intervals and fewer unexpected leaks.
Best use cases
- →Replacing a cracked valve cover on a 2010 BMW 118i.
- →Installing a fresh cover during a complete engine rebuild.
- →Upgrading to a corrosion-protected cover for high-humidity climates.
- →Providing a reliable seal for performance tuning projects.
Is For BMW Engine Valve Cover 1 series E81 E82 E87 E88 118i, 120i 11128645888 right for you?
Buy this valve cover if you own a BMW 1-series with an N46 or N46N engine and need a direct-fit, OEM-quality replacement. It suits DIY enthusiasts comfortable with basic engine disassembly and professional shops that prioritize quick turnaround. Alternatives include generic steel covers, which are cheaper but heavier and may not match the original gasket surface, or refurbished units that risk hidden corrosion. The aluminum design offers the best balance of weight, durability, and heat resistance for most owners.
How it compares: Compared with generic steel valve covers, this aluminum unit matches OEM dimensions, includes a pre-matched gasket, and resists corrosion, delivering longer life and better heat handling than low-cost options. It also outperforms refurbished covers that may have hidden rust or warped surfaces, making it the preferred choice for reliable sealing.
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What symptoms indicate the valve cover needs replacement?
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Typical signs include oil seepage around the cover gasket, a visible crack or deformation in the cover, low oil level warnings, and a ticking noise from the valve train caused by insufficient oil pressure. If you notice any of these issues, inspecting the cover and gasket for damage is the first step toward preventing engine wear.
Does this valve cover come with a gasket?
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Yes, the For BMW Engine Valve Cover includes a factory-matched gasket that is pre-cut to the exact dimensions of the cover. This eliminates the need to purchase a separate gasket and ensures a proper seal on the first installation, provided the mating surfaces are clean and the bolts are torqued to specification.
How do I install the valve cover correctly?
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Begin by draining the engine oil and removing the old cover with its bolts. Clean the mating surface on the cylinder head, apply a thin layer of oil to the gasket, and place the new cover, aligning the pre-drilled holes. Tighten the bolts in the specified sequence to the recommended torque, then refill the oil and check for leaks.
Is this valve cover compatible with all 1-series BMW models?
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The cover is engineered for the N46 and N46N engine families, which power the E81, E82, E87 and E88 118i and 120i variants. It will not fit models that use the newer N47 or N55 engines, such as later-generation 1-series or 3-series vehicles. Verify your engine code before purchasing.
Can I use this valve cover for performance upgrades?
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Yes, the aluminum construction provides excellent heat dissipation, making it suitable for mild performance tuning where the engine operates at higher RPMs. However, for extreme racing applications you may need a specialized high-flow cover with additional cooling ports. For most street-legal upgrades, this OEM-grade part is sufficient.
How much does For BMW Engine Valve Cover 1 series E81 E82 E87 E88 118i, 120i 11128645888 cost?
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For BMW Engine Valve Cover 1 series E81 E82 E87 E88 118i, 120i 11128645888 is $75.13 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is For BMW Engine Valve Cover 1 series E81 E82 E87 E88 118i, 120i 11128645888 in stock at Lab Work Auto?
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Yes, For BMW Engine Valve Cover 1 series E81 E82 E87 E88 118i, 120i 11128645888 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-012481