This part is listed by BMW as BMW part number 11127500568 (11 12 7 500 568) and is described as the original engine oil filler cap used on E46 325i SULEV (M56 engine), E90 325i/330i, E60 525i/530i (N52 engine), and E85/E86 Z4 3.0i/3.0si. This is the original-style cap with the hinged base and the Castrol logo on top.
The oil cap has a rubber seal on the underside that prevents oil spillage and vapors from escaping the valve cover. But, like any seal, it can wear out or become damaged and allow an oil leak at the filler neck. A new cap is required.
This is a Genuine BMW N52 oil cap with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
BMW Fitments:
3 Series
E46 (99-05) > 325Ci
E46 (99-05) > 325i
3 Series
E90 / E91 / E92 / E93 (06-13) > 325i
E90 / E91 / E92 / E93 (06-13) > 325xi
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) > 530i N52 (2006-2007)
E60 / E61 (04-10) > 530xi N52 (2006-2007)
Z Series
E85 / E86 Z4 (03-08) > Z4 3.0i N52
E85 / E86 Z4 (03-08) > Z4 3.0si N52