Original BMW Intake Front Rocker Arm Shaft for BMW M30 2800CS, 3.0CS, Bavaria, 5 Series, 6 Series, and 7 Series (1970–1993)

For the M30 straight six, the Original BMW intake front rocker arm shaft 11-33-1-274-963 carries the front group of intake rocker arms in the cylinder head of the 2800CS, 3.0CS, Bavaria, and 5, 6, and 7 Series cars from 1970 to 1993. Rocker arms follow the camshaft lobes and open and close the valves, and the shaft is the fixed axle they pivot on. Because BMW lists this shaft by position, the position matters when ordering. This is the intake front piece. It weighs 270 grams, is made in Germany, and is sold individually.

Original BMW Parts carry a 24-month parts warranty.

BMW's current number dates to April 1986 production and replaced 11-33-1-250-080. BMW rates the change as exchangeable retrospectively, so this shaft also serves the earlier cars that left the factory with the old number, from the E3 and E9 coupes and sedans of the early 1970s through the E12, E28, E24, E23, and E32. Owners of a car fitted with 11-33-1-250-080 can order this number as the direct successor. Since the shaft sits at a specific position in the head, match it to the intake front location rather than the exhaust side or rear.

Technical Details

• Manufacturer: BMW (Original BMW)
• Part number: 11-33-1-274-963
• BMW part name: rocker arm shaft intake front
• Engine: M30 six-cylinder
• Weight: 270 g (0.6 lb)
• Production start: April 1986
• Replaces 11-33-1-250-080 (exchangeable retrospectively)
• Made in Germany
• Sold individually
• Warranty: 24 months

Common Questions

Will this replace 11-33-1-250-080 on an older car?
Yes. BMW shows 11-33-1-250-080 as the old number and marks this version as exchangeable retrospectively.

Is this the intake or exhaust shaft?
It is the intake front shaft, so confirm that position in your head before ordering.

Talk to PMB Performance about the rest of your M30 head rebuild.

Fitment & Compatibility

Use the fitment table below to confirm year, model, submodel, and application notes before ordering. PMB Performance can confirm this against your VIN, backed by more than 20 years of parts and fitment work.