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Performance part.
Our adjustable camshaft gear for the BMW M20 engine. This gear allows the cam timing to be advanced or retarded to move the power band or to correct piston to valve clearances. Note: Vehicles produced before 1/1/87 use a slightly-different rotor adapter (it's the part which bolts onto the cam that holds the ignition rotor. If you have an early car you will need the 325i style rotor adapter, BMW part number # 11 31 1 713 064, about $20. |
