Product Details: OE NO.:/ Replacement NO. :11538666857;11537644028 Material:OE Material Warranty:5-year To fit:B58 * 1' F20 LCI (09/2015 — 06/2019) * 1' F21 LCI (09/2015 — 06/2019) * 2' F22 (09/2015 — 06/2017) * 2' F22 LCI (09/2016 — 12/2019) * 2' F23 (09/2015 — 06/2017) * 2' F23 LCI (10/2016 — 12/2019) * 3' F30 LCI (10/2014 — 10/2018) * 3' F31 LCI (10/2014 — 06/2019) * 3' F34 GT LCI (09/2015 — 12/2019) * 4' F32 (04/2015 — 02/2017) * 4' F32 LCI (05/2016 — 12/2019) * 4' F33 (03/2015 — 02/2017) * 4' F33 LCI (05/2016 — 12/2019) * 4' F36 Gran Coupé (03/2015 — 02/2017) * 4' F36 Gran Coupé LCI (05/2016 — 12/2019) * 5' G30 (10/2015 — 06/2019) * 5' G31 (03/2016 — 06/2019) * 6' G32 GT (09/2016 — 06/2019) * 7' G11 (10/2014 — 01/2019) * 7' G12 (10/2014 — 02/2019) * X3 G01 (10/2016 — 07/2019) * X4 G02 (03/2017 — 07/2019) Advantages: LINK-LOCK hose connection adopts independent research and development sealing gasket, It has the advantages of high pressure resistance, corrosion resistance, high and low temperature resistance to achieve even better than the original sealing state. The appearance and function of each hose are perfectly matched with OE original accessories, All hose can be delivered for use only after rigorous development and testing. About LINK-LOCK: Originated from seals & Service the whole car."LINK-LOCK" is an original condition replacement solution. Not only do we have replacement parts that are comparable to or even better than OE products, we also have improved products that OE products can't provide.Our Purpose is to develop Durable & Economical autoparts to get the car back to original condition.