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Message: <blockquote data-quote="Redd" data-source="post: 74959" data-attributes="member: 200">imho, and this is only the opinion of a lowly alfa driver, u shd change the ATF regularly. the way some of u drive ur cars, the ATF undergoes a lot of heat stress and will deteriorate over time. regular change will help maintain the lubrication required for reliable operation of ur autobox. i also recommend a good synthetic ATF (in the correct spec) if u drive hard.that said, gunk [from high mileage 'boxes] clogging up the solenoid valves is highly likely. solenoid valves can be removed and if its just some obstruction, u shd be able to clean it. of course, if the workshop wants to rip u off for a new 'box and ur not very technical, then sorry la.also, solenoids shd be independently replaceable. i know cos i just replaced one of mine (that 250bhp mod everyone keeps talking bout <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink    ;)" loading="lazy" data-shortname=";)" /> ) u shd not have to replace the whole 'box or even the entire valvebody if its just a dead solenoid valve. the problem is that most workshops here are too lazy to source just the solenoid for u. they rarely fail so few ppl stock them, and breakers only want to sell the entire gearbox or not at all. or the workshop want to rip u off for the entire 'box/valvebody. if a BMW parts list and diagram is accessible to u, source for ur own part from overseas (like i did). solenoids are cheap - mine cost me only 28 quid.a dead valve shd also not affect ur torque converter. those only die from age or when u try to push too much power thru it.good luck!redd</blockquote>

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