hello all, this is my first post since i picked up my '92 325i manual. i hit cheshire last friday and blasted all the way home. huge thanks to steven.seed who was a huge source of help and info. (he went as far as picking me up from the airport and bringing me to the dealer).
will take a few pics soon. now, the fun stuff.
i've read back a lot through the various threads about my problem and i'm fairly sure it's either the air-flow meter or lambda sensor but i'm open to correction.
the symptoms are -1) 20 mpg over the 300 mile trip home. and 14mpg on the subsequent tank of petrol (180 miles or so). needle usually reads about 20mpg at 55mph in 5th.
2) occasional chugging/ spluttering at around 40mph.
3) smokiness and hunting
4) every so often, at around 55mph, the mpg needle will jump to around 40mpg. if i pull in, the engine doesn't hunt even after a few minutes and when i pull away, it runs very smoothly.
any thoughts??