Wiseco M52B25 Low Compression Turbo Piston Kit Bore Size:85mm This becomes obvious when tuning

This becomes obvious when tuning the N20/N55 to increase boost with a Stage 1 tune and even more so with a Stage 2+ tune

Integral cylinders feature a positive seal internal bellows cap

or failed Mosfets your MSD80 N54 DME

The Boot Monkey 5" stepped N54 FMIC reduces heat-soak and minimizes timing corrections of and lower boost levels by keeping your IAT's down

when the cast iron friction ring becomes worn after a period of use

Wiseco M52B25 Low Compression Turbo Piston Kit Bore Size:85mm This becomes obvious when tuningWiseco BMW M52B25 Piston Set of 6. 2. 5 Liter Single Vanos Variant8. 8: 1 Low Compression Includes, Pistons, Piston Wrings, Wrist Pins, Wrist Pin Circlips. Professional Series forged racing pistons from Wiseco are no expense spared pistons designed for the serious racers and builders. Packed full of custom level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to