My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Cometic C4477-086 MLS Cylinder Head Gasket for BMW M30B34/M30B35 93mm Bore

(1985-1993 BMW 535i; 1979-1981 BMW 528i; 1975-1978 BMW 530i; 1985-1989 BMW 635CSi; 1985-1992 BMW 735i; 1978-1984 BMW 633CSi; 1988 BMW 535is + 4 more models)

Manufacturer

Picture for manufacturer Cometic

Part Number

C4477-086
9 reviews
Sale Price

$214.18

Estimated ship date Wednesday, November 25

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Cometic C4477-086 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for BMW M30B34 and M30B35 inline-six engines. This precision-manufactured gasket features a compressed thickness of 0.086 inches and is designed for a 93mm bore diameter, providing exceptional sealing capability for both stock and modified applications.

Key Features:

  • Multi-Layer Steel (MLS) construction for superior durability and heat resistance
  • 0.086-inch compressed thickness for precise compression ratio tuning
  • 93mm bore diameter designed for M30B34 (3.4L) and M30B35 (3.5L) engines
  • Advanced embossment technology ensures optimal sealing under extreme temperatures and pressures
  • Requires proper surface finish (30 RA or smoother recommended) for best performance
  • Ideal for both stock rebuilds and performance upgrades

Cometic MLS gaskets are constructed from multiple layers of stainless steel, providing the flexibility to conform to irregular sealing surfaces while maintaining exceptional combustion seal integrity. This gasket is a direct replacement for BMW applications and is trusted by engine builders worldwide for reliable performance in street, track, and racing environments.

Products specifications

Fits

1985-1993 BMW 535i; 1979-1981 BMW 528i; 1975-1978 BMW 530i; 1985-1989 BMW 635CSi; 1985-1992 BMW 735i; 1978-1984 BMW 633CSi; 1988 BMW 535is; 1978-1984 BMW 733i; 1983-1984 BMW 533i; 1977-1978 BMW 630CSi; 1988-1992 BMW 735iL

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Material

Multi-layer Steel

Fast and easy

THE WAY IT SHOULD BE!!

easy and fast

Great so far

Best price on Le Pera motorcycle seat. Fast prompt shipping. I'll be back

Greatest

Overall good experience, price was good was what it was suppose to be and arrived in a timely manner. Very satisfied.

Graet

great price,,thank you

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy