This set of Mahle OEM piston ring set includes 4 rings, and will refresh one of the 6 pistons in the BMW N51 SULEV or N542 6-cylinder engine.
This part is listed by BMW as BMW part number 11257559434 (11-25-7-559-434) and is described as OEM Repair Kit Piston Rings, Standard Size, for N51 SULEV or N52 engine.
Sold individually. 6 sets required per vehicle.
Supersedes obsolete BMW part number 11257547838 (11-25-7-547-838).
This is an OEM piston ring kit manufactured by Mahle - an original supplier to BMW for this part, as well as many other components. As an 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.
BMW Fitments:
1 Series
E82 / E88 (08-13) > 128i
E90 / E91 / E92 / E93 (06-13) > 323i
E90 / E91 / E92 / E93 (06-13) > 325i
E90 / E91 / E92 / E93 (06-13) > 325xi
E90 / E91 / E92 / E93 (06-13) > 328i
E90 / E91 / E92 / E93 (06-13) > 328xi
E90 / E91 / E92 / E93 (06-13) > 330i
E90 / E91 / E92 / E93 (06-13) > 330xi
5 Series
E60 / E61 (04-10) > 525i N52 (2006-2007)
E60 / E61 (04-10) > 525xi N52 (2006-2007)
E60 / E61 (04-10) > 528i
E60 / E61 (04-10) > 528xi
E60 / E61 (04-10) > 530i N52 (2006-2007)
E60 / E61 (04-10) > 530xi N52 (2006-2007)
5 Series
F10 / F11 (11-16) > 528i N52 (2011)
X3 Series
E83 X3 (2004-2010) > X3 3.0si N52 (2007-2010)
X3 Series
F25 X3 (2011-2017) > X3 xDrive28i
X5 Series
E70 X5 (07-13) > X5 3.0si (07-10)
Z Series
E85 / E86 Z4 (03-08) > Z4 3.0i N52
E85 / E86 Z4 (03-08) > Z4 3.0si N52
Z Series
E89 Z4 (2009-2016) > Z4 sDrive30i
