1166 7556 919 Brake Vacuum Pump for MINI Cooper S R55 R56 R57 R58 R59 N14

◆ This brake vacuum pump is a direct replacement for the original BMW/MINI unit, designed to provide vacuum assist to the brake booster and turbo wastegate actuator.

◆ The OEM reference number is 1166 7556 919 (11667556919). It is a mechanical vane pump driven by the exhaust camshaft and mounted on the rear (transmission side) of the cylinder head .

◆ The pump includes a sealing O-ring (part number 11667566483) for proper installation . Aftermarket dimensions are approximately 175 mm (L) x 105 mm (W) x 75 mm (H), with a weight around 0.919 kg .

◆ It is primarily designed for MINI models equipped with the N14 1.6L turbocharged engine, including the Cooper S and John Cooper Works variants of the R55 (Clubman), R56 (Hatch), R57 (Convertible), R58 (Coupe), and R59 (Roadster), covering model years from approximately 2006 through 2016 .

◆ This product is a brake vacuum pump manufactured to meet original quality standards for vacuum output, fit, and durability. Pierburg is the original equipment supplier for this part .

A: The 11667556919 reference is the original equipment part number. Pierburg is the OEM supplier for this vacuum pump, and both genuine MINI and Pierburg-branded equivalents are available that match the original fit and function .

A: Check your vehicle's engine code. This pump is specifically for the N14 1.6L turbocharged engine found in R55/R56/R57/R58/R59 Cooper S and JCW models. If your existing pump is stamped with 11667556919, this replacement will fit. Confirm your model and year against the compatibility list above.

A: This vacuum pump is known to seize over time. Because it is driven by the exhaust camshaft, a seized pump can prevent the camshaft from rotating, leading to broken cam sprocket bolts, skipped timing, and in severe cases, timing chain failure. Inspecting the pump to ensure it spins freely during routine service is strongly recommended .