Quote:
Originally Posted by wfdeacon88
When mine was low on fluid (which you don't have apparently) and a little glitchy, they reset adaptations and topped it off... They told me some fault codes were tripping and there was a chance I had internal issues, but to drive it some more before doing anything drastic. I topped off fluids again a few months later, but finally did a full lower pan, filter, etc purchased from ECS about 2 months ago, and it's been flawless since. Still waiting to see if the slow leak has stopped, or if it's the side pan, but thus far mine is better after that procedure plus the service. I never had the big issues you noted, so take it with a grain of salt.
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It feels like you guys are driving my car. Anyways, 2010 M3 52k, changed DCT gasket, sump filter, gave shop 5L of oil, not sure how much was totally drained...I assume was not topped off. Going back home in D straight away no problem...reversing to my garage on a daily basis, I knew something felt and reacted off. Kind of a small jerk or clunk (not my driveshaft). At this point I assumed not enough DCT fluid. Goes on for about 3k miles more going in D, no problems at all...until moving to below message....
Quote:
Originally Posted by xnfsx
Alex just removed the tune.
Fingers crossed....
I also got this from the dealer.
Looks like overheating code is gone but 279D I thought I fixed with the new battery. What is A7C9 - google says it's high beam temperature?
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I have Alpine's GTS DCT transmission flash installed, before and after my DCT fluid job. Before DCT job, it worked FLAWLESSLY, no hiccups at all in D or R. Also keep in mind...I have had 279D for 8k miles before DCT job (I thought it was the battery as well, changed it out at 44k, registered, code came back shortly after). Recently changed the alternator, no more code, car isn't being drained volts, I assume now the voltage regulator may be the culprit, you can still use the alternator...maybe, anyways.
279D plus DCT in reverse hiccup after DCT job, about 1k miles later I get a transmission warning symbol and gears are skipping 2, 4, 6. Happened three separate times going slow over a speed bump before the car is warmed up, BOOM. Going up a hill fast, making a left to a bit steeper hill fast, BOOM. Going over a speed bump at 5-10 mph, BOOM. Leading me to believe, DCT fluid is lacking. Had a shop look for transmission codes, 2 were found, nothing indicating overheat, the 1 seemed like an electrical issue, transmission was not receiving a signal to ECU/DME that's why it skipped gears (safety mode to prevent transmission damage). Every time it happened though, turn off, turn on the ignition, car drove like it was normal, no warning symbols.
I think OP your issue is the alternator/voltage regulator. I've always had issue with this car because of what I thought was the battery. Now may have been the alternator/voltage regulator this whole time. My story telling sucks.