"malt_hound" wrote: > Summer wrote: > > "malt_hound" wrote: > > > Summer wrote: > > > > Taken it to BMW dealer twice and of course > it won?t act up > > > for them. > > > > Doesn?t start sometimes and have to wait 20 > minutes or less > > > before I > > > > can try it again. All the lights come on > but the engine > > > won?t turn > > > > over. > > > > Anybody ever heard of this or know what it > could be? One > > > thing it is > > > > not is key chip-or so I?m told. > > > > > > > Right. I believe that the symptom for the EWS (key > chip) is > > > the engine > > > turns over but won't catch. Your problem sounds > more like a > > > starter > > > solenoid of physical keyswitch problem. Does it > make any > > > clicking noise > > > at all when you move the key from position 2 (run > position) to > > > position > > > 3 (momentary start)? > > > > > > -Fred W > > > > It makes no clicking noise but all the electrical stuff > still works. I > > know this sounds crazy, however it happens most often when > the weather > > is hot and muggy. > > > > > Well, I need to make a correction. I broke out the wiring > diagrams and > on the starting circuit page there it is, plain as day: The > EWIS2 > (Electronic Immobilizer Control) module works by interrupting > the > circuit from the ignition switch to the starter solenoid. So, > it would > be the most likely reason you are getting the symptom that you > are. > > One input to the EWIS2 module is the automatic transmission > range switch > on cars fitted with an automatic. If yours is an auto I would > try > jumpering out that switch before I did anything else. If that > does not > resolve it, you could see what happens when you jumper from > pion 1 to 3 > on the EWIS2 module (bypassing it). > > -Fred W
What about a manual transmission? Would it still be the same switch?