Seller notes

BMW Performance Valve Springs - M57 M57N M57N2 M67 and M47 engines Performance Valve Spring Kit for BMW 8 Cylinder, 6 Cylinder and 4 Cylinder Diesel Engines The springs are compaible with all the m57 engine variations Please specify the desired hardness of the springs before buying or on a note on the order Discounted price in our new profile : https://www.ebay.com/itm/355108962027 The set prevents valve float under high boost pressures due to springs greater stiffness compared to the OEM spring...

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