This belt tensioner is sold in a Delco box but is manufactured by INA who have been the OEM for all BMW vehicles that have been built over the years. The same part that came to your BMW from the factory, without the price of a BMW box!
Continental PremiumContact 6 315/45 R21 116Y summer
71 Review
Efficiently Install & Remove Serpentine Belts With OEMTOOLS 25149 Tool: 13-18Mm Sockets, 1/2 & 3/8 Inch Drive, Long Handle For Optimal Leverage!
16 Review
Continental PremiumContact 6 275/35 R19 100Y Summer
36 Review
16Ft Vincos AN6 Nylon & Stainless Steel Braided Fuel Hose + 6An Fitting Kit For Leak-Free Oil & Gas Transfer
15 Review