Elring 802.700 Engine Cylinder Head Bolt Set

Elring 802.700 Cylinder Head Bolt Set

Elring 802.700 is an engine cylinder head bolt set built for BMW inline-six applications that require precise thread engagement and consistent clamping force. With a male hex head design, M12 x 1.75 x 157 mm thread specification, and 19 mm spanner size, this set supports accurate cylinder head service on select BMW 533i, 535i, 535is, 635CSi, 735i, and 735iL models.

Key Features

• Engine cylinder head bolt set for BMW engine hardware service
• Male hex bolt head/nut design for standard service tooling
• Thread size: M12 x 1.75 x 157 mm
• 19 mm spanner size for installation and removal
• Engineered for fitment on select 1983-1993 BMW applications
• Elring part number 802.700 for catalog matching and cross-reference lookup

Product Details

This Elring cylinder head bolt set is specified for select BMW 533i, 535i, 535is, 635CSi, 735i, and 735iL applications across the 1983-1993 model years. The bolt dimensions and male hex head design are important for proper cylinder head service, where correct thread pitch, length, and head engagement are critical to assembly accuracy. If you are sourcing BMW 535i cylinder head bolts or looking for an Elring 802.700 replacement, this part number helps narrow the correct engine hardware for the listed vehicles. This part cross-references MAHLE GS33452A and Remy 12609 for the same application.

What It Helps Address

• Worn or stretched cylinder head bolts during engine teardown
• Incorrect thread size or length when replacing BMW head fasteners
• Loss of proper clamping consistency after head service
• Mismatch between engine hardware and service specifications
• Need for a direct-fit cylinder head bolt set for listed BMW models

Installation Notes and Tips

Verify engine code, bolt length, thread pitch, and head design before installation. Clean the threaded holes and mating surfaces thoroughly, then follow the vehicle service manual for tightening sequence and torque procedure. Because cylinder head fasteners are critical engine hardware, confirm that the application matches the listed BMW fitment before assembly. Compatible With 1983-1984 BMW 533i, N/A; 1985-1987 BMW 535i, N/A; 1985-1989 BMW 635CSi, N/A; 1985-1992 BMW 735i, N/A; 1988 BMW 535is, N/A; 1988-1992 BMW 735iL, N/A; 1989-1993 BMW 535i, N/A.

Quality Assurance

Elring is a recognized name in engine sealing and fastening components, and this part is cataloged to the stated dimensions and vehicle applications for accurate BMW service selection. Use the part number 802.700 and the fitment details above to confirm the correct cylinder head bolt set before installation.