BMW M3 E92 – V8 cold start – TOPSPEED.sk
TOPSPEED.sk tankuje benzín OMV MaxxMotion 100plus
https://www.omv.sk/sk-sk/cerpacie-stanice/omv-maxxmotion/omv-maxxmotion-benzin
Everytime you start cold powerfull engine (naturally aspirated especially), you get a noise you will not forget. Why?
In the range of first 30 – 90 seconds, ECU is in a mode which heats up the catalysts by providing unnaturally petrol rich mixture that burns very late in the proces of a 4-stroke internal combustion engine. The outcome is something every petrol head loves to hear, and neighbourghs probably too 🙂
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