Engine Cylinder Head Bolt Set Overview

The Mahle GS33452A engine cylinder head bolt set is an OEM-standard fastener solution for engine assembly work. It is built with steel bolts and a hex head style for secure tightening during cylinder head service.

Compatible With BMW 535i, 735i, and 735iL applications from 1990 through 1993, this part supports engine rebuild and repair jobs that require proper head fastener replacement. The GS33452A is a direct-fit style service part for the listed BMW applications.

Key Features

• OEM-standard grade for engine hardware service
• Steel fastener construction for cylinder head applications
• Hex head style for standard tool engagement
• Bolt-style fasteners for engine assembly use
• Washers not required for this application

Detailed Description

Mahle GS33452A is an engine cylinder head bolt set intended for BMW inline and V8 engine service applications listed in the fitment data. It cross-references BMW 11 12 0 621 144 for the same application. Use this part when replacing cylinder head bolts during teardown, rebuild, or head gasket service on BMW 535i, 735i, and 735iL models. The GS33452A follows OEM-standard expectations for fit and function in the specified engine hardware role.

What It Helps Address

• Worn or stretched cylinder head bolts during engine service
• Loss of clamping consistency after head removal
• Fastener replacement needs during head gasket repair
• Engine assembly work requiring new head bolts

Installation Notes and Tips

Verify engine code and application details before installation, since the fitment covers multiple BMW engine types. Clean all threaded holes and follow the service manual tightening sequence and torque procedure for the specific engine. Replace the bolts as part of the cylinder head service process when the application calls for new fasteners.

Quality Assurance

Mahle supplies sealing and engine service products used by OEMs and technicians worldwide. GS33452A is manufactured to OEM-standard expectations for engine hardware service.