Mahle GS33581 Engine Cylinder Head Bolt Set

Brand	Mahle GS33581
Additional Package Contents	10
Fastener Head Style	12-Point
Fastener Material	Steel
Fastener Style	Bolt
Item Grade	OEM Standard
Torque To Yield	Yes
Washers Included	No
Fits	BMW · 38 vehicles

OEM standard. Cylinder head bolt set built to match original equipment requirements.

12-point head. Provides secure tool engagement for easier installation and removal.

Torque-to-yield design. Engineered for precise clamping and reliable sealing performance.

Cross-references BMW 11 12 7 511 578 and BMW 11 12 7 583 113 for the same application. See all 2.

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Mahle GS33581 Cylinder Head Bolt Set

Mahle GS33581 is an OEM-standard engine cylinder head bolt set for BMW applications that require torque-to-yield fasteners and precise clamping force. Built with steel construction and a 12-point head style, this set supports secure cylinder head retention in service and rebuild work.

Key Features

Engine cylinder head bolt set for BMW engine service
OEM Standard item grade for OE-style fit and function
Torque-to-yield design for controlled, one-time stretch fastening
Steel fastener material for engine hardware applications
12-point fastener head style for proper tool engagement
Fits BMW 550i, 650i, X5, 750i, 750Li, 545i, 645Ci, 745i, and 745Li applications
Mahle GS33581 cross-references BMW 11 12 7 511 578 and 11 12 7 583 113

Detailed Description

Mahle GS33581 is an engine cylinder head bolt set engineered for BMW vehicles across multiple model years, including 2002-2010 BMW 745i, 745Li, 545i, 645Ci, 550i, 650i, X5, 750i, and 750Li applications. As an OEM-standard fastener set, it is built for accurate cylinder head clamping during engine assembly or repair, where consistent load and proper torque procedure are critical. The steel construction and 12-point head style support reliable installation with the correct service tools. Mahle GS33581 is a direct-fit hardware solution for BMW cylinder head service where torque-to-yield fasteners are specified.

Common Repair Uses

Replacing stretched or removed cylinder head bolts during head gasket service
Restoring proper cylinder head clamping after engine teardown
Addressing fastener wear found during BMW engine rebuilds
Correcting sealing issues caused by reused torque-to-yield hardware

Installation Notes and Tips

Follow the factory torque sequence and angle-tightening procedure for the specific BMW engine. Torque-to-yield bolts are designed for one-time use, so replace them whenever the cylinder head is removed. Verify engine code and application details before installation to confirm the correct fit for your BMW 550i, 650i, X5, or other listed model.

Quality Assurance

Mahle is known for sealing and engine hardware products used by OEMs and technicians worldwide. GS33581 is manufactured to OEM-standard expectations for fitment and service consistency in BMW cylinder head applications.

This part fits 38 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Position	Notes
2010	BMW	550i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2010	BMW	650i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2010	BMW	X5	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2009	BMW	550i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2009	BMW	650i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2009	BMW	X5	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008	BMW	550i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008	BMW	650i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008	BMW	750i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008	BMW	750Li	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2008	BMW	X5	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2007	BMW	550i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2007	BMW	650i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2007	BMW	750i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2007	BMW	750Li	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2007	BMW	X5	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006	BMW	550i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006	BMW	650i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006	BMW	750i	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006	BMW	750Li	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006	BMW	X5	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2006	BMW	X5	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005	BMW	545i	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005	BMW	645Ci	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005	BMW	745i	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005	BMW	745Li	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005	BMW	X5	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2005	BMW	X5	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004	BMW	545i	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004	BMW	645Ci	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004	BMW	745i	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004	BMW	745Li	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004	BMW	X5	4.8L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004	BMW	X5	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2003	BMW	745i	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2003	BMW	745Li	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2002	BMW	745i	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2002	BMW	745Li	4.4L	V8	N/A	Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
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Directly replaces or cross-references 2 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

BMW — 11 12 7 511 578BMW — 11 12 7 583 113