Timing Chain Tensioner Assembly, OEM - 2002, E21, E30, E28, E34, E24, E23, E32

This part is listed by BMW as BMW part number 11311744347 (11 31 1 744 347) and is described as the complete timing chain tensioner assembly for M10 and M30 engines used in 2002, E21, E30, E28, E34, E24, E23, E32 models.

OEM assembly includes:
07119963355, gasket ring
11310731115, tensioner spring
07119986250, tensioner ball (located inside the piston head)
11311744347, tensioner piston

Note: the ball is located inside the tensioner piston. Online diagrams appear to show it between the spring and piston but that is not accurate. The ball is a check valve for the small oil port on the piston.

The outer hex screw plug is no longer available from BMW.

This is an OEM timing chain tensioner manufactured by an original supplier to BMW for this part, as well as many other timing components. As the OEM it meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.

BMW Fitments:

2 Series
E10 (69-74) > 2002
E10 (69-74) > 2002ti
E10 (69-74) > 2002tii
3 Series
E21 (75-83) > 320i
3 Series
E30 (84-85) > 318i
5 Series
E28 (82-84) > 533i
E28 (85-88) > 535i
5 Series
E34 (89-93) > 535i
6 Series
E24 (82-84) > 633csI
E24 (85-89) > 635CSi
7 Series
E23 (78-84) > 733i
E23 (85-87) > 735i
7 Series
E32 (88-93) > 735i
E32 (88-93) > 735il