Febi 05173 Engine Rocker Arm Adjusting Screw

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Febi 05173 Engine Rocker Arm Adjusting Screw

Brand	Febi 05173
Length	20.0
Thread Diameter	6.0
Length (mm)	20.0
Thread Pitch	1.75
Fits	BMW · 39 vehicles

Precision thread pitch. 6.0 mm diameter with 1.75 pitch for accurate adjustment.

Compact 20 mm length. Sized for engine rocker arm adjustment hardware.

Engine hardware from Febi for dependable replacement fit.

Cross-references 11 33 0 634 122 and 11 33 1 744 355 for the same application. See all 2.

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BMW Rocker Arm Adjusting Screw

Febi 05173 is an engine rocker arm adjusting screw for BMW valvetrain service. With a 20.0 mm length, M6 thread diameter, and 1.75 thread pitch, it is built for precise rocker arm adjustment in select BMW inline-six and four-cylinder applications.

Use Febi 05173 when servicing the rocker arm assembly on BMW 535i, 735i, 735iL, 325i, 525i, 635CSi, 535is, 325e, 318i, and 528i models. This part number also cross-references BMW 11 33 0 634 122 and 11 33 1 744 355 for the same application.

Key Features

Engine rocker arm adjusting screw for BMW valvetrain hardware
20.0 mm overall length for specified rocker arm applications
M6 thread diameter with 1.75 thread pitch
Direct-fit service part for select BMW engine hardware applications
Febi part number 05173 for catalog and service reference

Detailed Description

Febi 05173 is a precision engine hardware component used to set and maintain rocker arm adjustment in compatible BMW engines. The listed dimensions, including 20.0 mm length and M6 x 1.75 threading, are important for correct valvetrain geometry and consistent adjustment during repair or rebuild work. For BMW 535i, 735i, 735iL, 325i, and related models, matching the screw dimensions to the original specification helps ensure proper service fitment.

Fits 1985-1993 BMW 535i, N/A; Fits 1985-1992 BMW 735i, N/A; Fits 1988-1992 BMW 735iL, N/A; Fits 1987-1990 BMW 325i, N/A; Fits 1990 BMW 525i, N/A; Fits 1985-1989 BMW 635CSi, N/A; Fits 1988 BMW 535is, N/A; Fits 1985-1986 BMW 325e, N/A; Fits 1985 BMW 318i, N/A; Fits 1979-1981 BMW 528i, N/A.

What It Helps Address

Worn or damaged rocker arm adjusting screw threads
Incorrect valve lash adjustment caused by hardware wear
Rocker arm service during engine top-end repair
Replacement needs during BMW valvetrain rebuilds
Fitment issues from using the wrong thread size or length

Installation Notes and Tips

Verify the original screw length, thread diameter, and thread pitch before installation. On BMW rocker arm service, clean the mating hardware and inspect the rocker arm, valve train components, and adjacent fasteners for wear before final adjustment. Confirm application details against the vehicle’s engine specification, especially on BMW 535i, 735i, and 325i service jobs.

Quality Assurance

Febi is an established aftermarket brand for European vehicle hardware and service parts. Part number 05173 is specified with exact dimensional data to support accurate catalog matching and repair selection.

This part fits 39 vehicles

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

Year	Make	Model	Body Type	Drive Type	Position	Notes
1993	BMW	535i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1992	BMW	535i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1992	BMW	735i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1992	BMW	735iL	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1991	BMW	535i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1991	BMW	735i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1991	BMW	735iL	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1990	BMW	325i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1990	BMW	525i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1990	BMW	535i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1990	BMW	735i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1990	BMW	735iL	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1989	BMW	325i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1989	BMW	535i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1989	BMW	635CSi	Coupe	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1989	BMW	735i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1989	BMW	735iL	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1988	BMW	325i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1988	BMW	535i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1988	BMW	535is	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1988	BMW	635CSi	Coupe	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1988	BMW	735i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1988	BMW	735iL	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1987	BMW	325i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1987	BMW	535i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1987	BMW	635CSi	Coupe	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1987	BMW	735i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1986	BMW	325e	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1986	BMW	535i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1986	BMW	635CSi	Coupe	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1986	BMW	735i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1985	BMW	318i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1985	BMW	325e	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1985	BMW	535i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1985	BMW	635CSi	Coupe	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1985	BMW	735i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1981	BMW	528i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1980	BMW	528i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
1979	BMW	528i	Sedan	RWD	N/A	Additional information: for rocker arm; Length 1 (mm): 20; Outside Thread 1: M6 x 0.75
No rows match your filter.

Directly replaces or cross-references 2 part numbers

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

11 33 0 634 12211 33 1 744 355