AntennaMastsRus - Power Antenna Mast is compatible with BMW 318/320 / 325/524 / 525/528 / 530/533 / 535/633 / 635/640 / 733/735 / 740/750 / M5 / M6 100% Identical to a Genuine Factory Mast - Highest Quality Stainless Steel Detailed Step-By-Step Instructions - Easy Installation for Everyone! 100% Satisfaction Guarantee, Period! Ships From WISCONSIN!! 1 Year Warranty!! Fitment Below