BMW m30 spits flames

"Flyboy is FAA certified insane" (flyboy396) 03/22/2017 at 10:47 • Filed to: Help

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So, I recently had the clutch replaced on the 733, as it exploded rather violently on a recent trip.

I got the car back, and the transmission feels new. Awesome. Or it would be, except now the car has a super rough idle, and off-throttle it pops and spits fire.

Full throttle though, it runs better than ever. I can’t figure it out at all.

Could ignition timing have changed? Any ideas oppo?

TysMagic > Flyboy is FAA certified insane 03/22/2017 at 10:57

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I came here for a video of a BMW spitting flames

jasmits > Flyboy is FAA certified insane 03/22/2017 at 11:06

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Did someone give it a cam while you weren’t looking..?

Whatever it is, if it spits fire leave it that way

RacingShark > Flyboy is FAA certified insane 03/22/2017 at 11:35

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not much going on with these engines. You can run them with almost all the sensors disconnected. I think you only need the crank Pos sensor and the coolant temp sensor connected.

Try disconnecting the AFM and idle control valve. see if anything changes. I don’t know enough about the older M30, but I’ve spent WAY to much time debugging issues with the M30B35.

Flyboy is FAA certified insane > jasmits 03/22/2017 at 11:48

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That’s exactly what it feels like. And if I can prevent it from dying at idle, I may very well keep it this way.

Flyboy is FAA certified insane > RacingShark 03/22/2017 at 11:50

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Will do tomorrow when I have off. I didn’t even think to check the AFM

SVTyler > Flyboy is FAA certified insane 05/10/2017 at 12:10

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Yo, you go to Embry-Riddle right? Our paddocks are like directly across from each other at FSAE Michigan, you here with them?

Flyboy is FAA certified insane > SVTyler 05/10/2017 at 13:39

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Haha nope. I’m still at Daytona working on flying. Hope you guys kick Riddle’s ass Lol couple of the guys in there need a bit of an ego check.