B9 s4 engine marginally taken apartFc s4 & s5 sections also 13b turbo Der neue three.0 tfsi: hightech-v6 mit kompressoraufladungRx7 engine fc 13b turbo s5 jdm mazda motor colorado rx twin engines.The 13B was designed with both of those high efficiency and minimal emissions in mind. Early cars making use of this engine utilised the AP name.All engin