New Owner - Chassis 173

New Owner - Chassis 173

Author
Discussion

RossoDiamante

Original Poster:

52 posts

102 months

Thursday 8th October 2015
quotequote all
I just acquired a 2007 m400 Chassis #173 and am enjoying the car. There are some things to work through already on the car and I hope to get some collective wisdom from the group here.




RossoDiamante

Original Poster:

52 posts

102 months

Thursday 8th October 2015
quotequote all
Only 3000 ish miles. But a surprising number of things to fix up!

RossoDiamante

Original Poster:

52 posts

102 months

Friday 9th October 2015
quotequote all
Indeed. A US model. But I have heard that this is one of the best repositories of knowledge about these rare cars. I will make my best attempt to avoid being a boorish American on foreign shores.

A drivability issue that I've noticed off the bat has been some lower-RPM, light throttle surging and bucking. I recall 2nd and 3rd gear occurrences. Very embarrassing. And occasionally when releasing the clutch having the engine stall. Also very embarrassing. I have heard that this may be indicative of a vacuum leak somewhere. I've never had to chase down a vacuum leak before. Any hints?