Looking for aftermarket parts to modify or upgrade your 2017 BMW X4 with blow off valves? At Tunersports.com we carry a huge selection of the top name brand performance blow off valf parts and accessories.

IN STOCK T9357GFB's DV+ design solves the longevity and boost leaking issues that are common with factory diverter valves, and also changes the operation method to "pilot actuation" to ensure better performance on stock or modified engines... GFB DV+ BMW N20 Engine 2015-2018 BMW X4 xDrive28i $153.90 |

IN STOCK TS-0223-1094The award-winning Kompact EM series Blow-Off Valves, are the world's first truly plug and play Blow-Off Valves. Simply unplug and unbolt your OEM Blow-Off Valve, and install ours in its place. No adapters, hoses or extra assembly required. All this while retaining complete OE control of the BOV's op... Turbosmart BOV Kompact EM Dual Port VR11 - BMW N55 M2 & X4 M40i 2016-2018 BMW X4 M40i $315.89 |

IN STOCK TS-0223-1294The Multiple Award-winning Kompact EM Series of Upgraded Diverter Valves are the world's first truly plug-and-play Upgrade solution for your factory diverter valve. Unplug and unbolt your OEM Valve, and install a Kompact EM Valve. No adaptors, hoses or extra assembly is required.... Turbosmart BOV Kompact EM Plumb Back VR11 - BMW N55 M2 / X4 M40i 2016-2018 BMW X4 M40i $278.99 |