Pure Turbos BMW N63/N63TU Stage 1 Turbos (550i/X5/X6/750i/650i) Core Deposit:No - I will send in my stock turbos up front The final design of a

The final design of a bar and plate core far outperformed the other two alternatives

especially on cars running higher boost than stock

The factory airbox is very restrictive and the cheap plastic material perishes over time

45Inch x 3

Pure Turbos BMW N63/N63TU Stage 1 Turbos (550i/X5/X6/750i/650i) Core Deposit:No - I will send in my stock turbos up front The final design of aPure Turbos Stage 1 upgrade for N63 & N63tu cars is the only turbocharger upgrade for these engines proven to produce substantial power gains. Please Note: You will need to send in only your core turbo to be upgraded. (Any additional parts that you send may not be returned if sent together with the core) PRODUCT SPECIFICATION The only true turbo upgrade set available for these cars Custom Billet Compressor wheel Heavy Duty Large Pad Upgrade Thrust CNC