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Crafted from high-quality
- R8 | Type 4S (Gen 2)
Sharper throttle response and quicker turbo spool
The MMR Performance intake kit for the N55 engine removes the inherent restriction found in the OE airbox setup when raising the performance output of the N55 engine for models such as M135i
Fits: J30A4
Spool Performance 8HP45 / 8HP50 / 8HP51 upgraded billet 7075-T6 D Clutch Drum 2025+ Crafted from high-qualitySpool Performance 8HP45 8HP50 8HP51 upgraded billet 7075 T6 D Clutch Drum The factory A380 cast aluminum D drum in the ZF 8HP45 50 51 is one of the weak links once power levels riseprone to cracking, distortion, and oil starvation under high load and high RPM clutch events. Spool Performance eliminates that limitation with a fully CNC machined billet 7075 T6 D Clutch Drum, engineered for extreme durability and precise hydraulic control in high
