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Hey [MENTION=20915]RYU[/MENTION], I've miscommunicated, I think. I run the SOS ITB system which uses the MAP sensor. I just meant that I preferred tuning with a TPS over a MAF sensor(s). My M5 uses two MAF sensors and they have to be replaced every few years. That combined with their timing issue makes me believe that "tuning" via TPS is a better solution between the three main types (TPS, MAF, and Speed Density). But I'm not very knowledgable in the area and I realize that TPS tuning has just as many issues - it's just my .02.My car's airbox is very similar in dimensions to what Chris posted but with the engraved "ScienceofSpeed" metal plate on top and the air filter in the stock location. IIRC, I have their pre-production air box.
Hey [MENTION=20915]RYU[/MENTION], I've miscommunicated, I think. I run the SOS ITB system which uses the MAP sensor. I just meant that I preferred tuning with a TPS over a MAF sensor(s). My M5 uses two MAF sensors and they have to be replaced every few years. That combined with their timing issue makes me believe that "tuning" via TPS is a better solution between the three main types (TPS, MAF, and Speed Density). But I'm not very knowledgable in the area and I realize that TPS tuning has just as many issues - it's just my .02.
My car's airbox is very similar in dimensions to what Chris posted but with the engraved "ScienceofSpeed" metal plate on top and the air filter in the stock location. IIRC, I have their pre-production air box.
