gothglue
New member
Hey,
I'm going to be getting the JCW airbox and air intake upgrade ( from
the JCW tuning kit package ) on my R56 Cooper S at the end of the
month and am wanting to know if it means updating the ECU as well?
Also, can anyone tell me what kind of performance increase this will
give me?
I'm going to be getting the JCW airbox and air intake upgrade ( from
the JCW tuning kit package ) on my R56 Cooper S at the end of the
month and am wanting to know if it means updating the ECU as well?
Also, can anyone tell me what kind of performance increase this will
give me?