A cracked or poorly sealing oil filler cap is one of the most common causes of oil vapour leaks and contamination in BMW engines — and it’s one of the easiest fixes in your garage. This genuine-spec replacement oil filler cap for BMW 1 Series, 3 Series, 5 Series, and compatible MINI models restores a factory-tight seal on the valve cover, preventing oil mist and keeping the engine bay clean. Direct replacement for OEM part# 11128655331.
Compatible across a wide range of BMW chassis including E87, F20/F21 (1 Series), E90/E91/F30 (3 Series), E60/F10/F11 (5 Series), and several MINI platforms. If your existing cap is stiff, cracked, or leaking oil vapour — this is the fix.
Features
- Direct OEM replacement (Part# 11128655331 / 8655331)
- Precision-molded for a factory-fit seal
- Resistant to engine heat and oil exposure
- Prevents oil contamination and leaks
- Lightweight: 0.066 kg
Compatible Models
| Series | Chassis Code | Years |
|---|---|---|
| BMW 1 Series | E87 | 2004–2011 |
| BMW 1 Series | F20 / F21 | 2011–2019 |
| BMW 3 Series | E90 / E91 | 2005–2012 |
| BMW 3 Series | F30 | 2012–2019 |
| BMW 5 Series | E60 | 2003–2010 |
| BMW 5 Series | F10 / F11 | 2010–2017 |
| MINI | Various | 2000–2015 |
Specifications
- OEM Part Numbers: 11128655331, 8655331
- Dimensions: 70mm × 70mm × 30mm
- Weight: 66g
- Brand: APKTNKA
- Condition: New
Ships to Canada with tracking.
Brian K. –
OEM quality oil filler cap. Fits perfectly and the seal is solid. No more rattling or vibration.
Scott M. –
Exact replacement. Clicked into place perfectly on my E90. Looks and feels OEM.
Alan E. –
Perfect oil filler cap replacement. Clicks in solidly and seals well. OEM quality at a fraction of dealer price.
Barry F. –
Excellent cap. Fits perfectly on my N52 and seals well. No vibration or leaks. Looks OEM.
Carl N. –
Good replacement cap. Fits my F30 correctly and the seal quality is good. Easy to fit.
Dave T. –
Great oil filler cap. Perfect fit on my E90 and the quality feels OEM. Seals perfectly.
Ed G. –
Good cap. Fits well and seals solidly. Looks and feels OEM. Easy replacement.
Frank P. –
Excellent replacement cap. Fits my N55 perfectly and the quality is indistinguishable from OEM.
Gary L. –
Good oil filler cap. Fits the BMW threads perfectly and seals well. Easy replacement.
Hank B. –
Perfect replacement cap. Clicks in solidly and the seal is excellent. OEM quality at a great price.