DINAN Big Turbo Upgrade - 2012-2016 BMW 228I/328I/428I
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For the racing enthusiast or those just looking for the best this is the ultimate upgrade to fully maximize the power output of your N20 engine. The compressor wheel inside the turbocharger is increased in size allowing 30% greater flow thus enabling additional boost pressures at higher engine speeds while retaining efficiency. These aren't standard rebuilds but rather brand new units with a new stock turbine custom cast and manufactured with an upgraded thrust system to ensure a reliable and prolonged life. In order to attain maximum advertised power gains, these big turbos will need to be paired with DINANTRONICS Stage 4, as well as Dinan's intercooler to fully regulate the boost increase and deliver a polished product although the exhaust is also recommended.
- No core charge or core return is required.
- Brand new upgraded turbo that is custom cast and manufactured with an upgraded thrust system.
- Larger billet compressor/impeller wheel that allows ~30% greater flow over stock which then enables additional boost to be realized while retaining efficiency.
- Brand new stock turbine.
- Turbo assembly is compatible with both mechanical/vacuum and electric wastegate vehicles.
- Peak power: 345 HP @ 5500 RPM and 336 LB-FTs @ 4000 RPM and a max gain of 84 HP @ 6500 RPM and 77 LB-FTs @ 5500 RPM when coupled with other Dinan Performance upgrades.
- Dinan Installation instructions detail a procedure which is quicker than BMW's turbo replacement procedure saving the end-user money and time at the shop (Applicable to RWD vehicles only).
- Includes o-rings and gaskets needed for complete installation on a RWD vehicle only. If installing on an xDrive vehicle Dinan P/N D313-0117 is required for additional installation hardware.
- Factory matching new car warranty (4yr/50k) when run in Dinan specification.
- 50 State Emissions legal; CARB EO # D-176-49.
- Part #D310-0120