R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 Bosch 550 Fuel Injectors

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Old Nov 13, 2019 | 03:35 PM
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Bosch 550 Fuel Injectors

Do Bosch 550 Fuel Injectors require a re-flash/ re-tune after installation on a 2006 R53 MCS , S/C with Cravenspeed 15% pulley & C/S lightweight stock crank pulley, & Milltec header ?
 
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Old Nov 13, 2019 | 03:56 PM
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Yes
 
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Old Nov 13, 2019 | 05:47 PM
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From: Arnold, MO.
Ditto....
Anything larger than a 380cc injector will require a manual change to the tune.
 
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