Reinforced gearbox mounts for BMW DriftShop designed and developed these gearbox mounts are the ultimate supports for your BMW gearbox. A direct replacement for the OEM mounts they provide far superior support for sports use. The OEM rubber mounts tend to wear out over time due to mileage or harsh use. This results in imprecise gear changes knocking noises premature wear of the gearbox and potential radiator damage do to engine movement. Much stronger and stiffer than the original parts these DriftShop mounts are made from billet aluminium and a reinforced (70 ShA) polyurethane bush. They are particularly suitable for sports use (road drift circuit etc) or when seeing an increase in engine power or an engine swap. List of applications These mounts are compatible with most manual transmissions except for E30 and E9X M3s : 1 Series E81/E82 & E87/E88 : 128i 130i 135i 1M 3 Series E30 : all manual gearboxes (excl. M3 E30) 3 Series E36 : all manual gearboxes including M3 E36 6 & 6 speed 3 Series E46 : all manual gearboxes including M3 E46 3 Series E90 E91 E92 E93 : 325i 328i 330i 335d 335i (excl. M3 E9X) 5 Series E28 : 528i 533i 535i (M5) 5 Series E34 : 525i 530i 535i 540i & M5 3.6 & 3.8 5 Series E39 : 525i 528i 530i 540i & M5 Z3 E37 : 2.3 2.5i 2.8i Z3M Z4 E85 E86 E89 : 2.5i 3.0i Z4M Any engine swap based on the above list