Elring 233.370 Engine Cylinder Head Bolt Set

Elring Cylinder Head Bolt Set for BMW and MINI

Elring 233.370 is an engine cylinder head bolt set built for BMW and MINI applications that require a precise OE-style fastener match. It features a male Torx bolt head/nut design, M12 x 1.5 x 200 thread specification, and the correct fitment profile for select BMW 220i, X1, X2, X3, X4, 328d, 420i, and MINI Cooper models.

Key Features

• Brand: Elring
• Part number: 233.370
• Engine cylinder head bolt set for engine hardware service
• Male Torx bolt head/nut design for proper tool engagement
• Thread size: M12 x 1.5 x 200
• Engineered for BMW and MINI fitment applications
• Cross-reference: BMW 11 12 7 807 294, 11 12 8 513 128

Product Details

Elring 233.370 is specified for engine cylinder head fastening where the original bolt design, thread pitch, and length must match the application. This part number is used across multiple BMW platforms, including BMW 220i, BMW X3, and BMW X1 applications, as well as select BMW 328d and 420i models. It also covers a 2010 MINI Cooper application. If you are sourcing an Elring 233.370 cylinder head bolt set for BMW 220i or a cylinder head bolt set for BMW X3, this part number provides the required fastener geometry for the listed vehicles.

What This Part Helps Address

• Replacing stretched or torque-to-yield cylinder head bolts during engine service
• Restoring proper cylinder head clamping force after head gasket repair
• Matching the correct male Torx fastener interface for service work
• Resolving fitment issues caused by incorrect thread size or bolt length
• Supporting engine reassembly on listed BMW and MINI models

Installation Notes and Tips

Verify engine code and bolt specification before installation. Confirm the M12 x 1.5 x 200 dimensions and male Torx drive match the original hardware removed from the engine. Follow the vehicle manufacturer’s tightening sequence, torque values, and angle specifications exactly, and replace cylinder head bolts only as directed by the service procedure. For BMW 220i, BMW X1, BMW X2, BMW X3, BMW X4, BMW 328d, BMW 420i, and MINI Cooper applications, confirm the exact model year and engine variant against the vehicle build data.

Quality Assurance

Elring is a recognized engine sealing and fastening brand used in professional repair environments. Part number 233.370 is manufactured to meet the dimensional and design requirements listed for the confirmed applications, including BMW and MINI cylinder head service use.