Recent content by bumwah
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ZF 8HP transmission hard shifting 1-2 when cold
~~~~~ISTA-D didn't give you any codes? Are there any software recalls for your vehicle? If you're interested in some personalized service I would pull codes and then ask this GUY along with a small donation for his time.~~~~~~quoted ISTA-D hasnt been hooked up/used since before my drivetrain...- bumwah
- Post #35
- Forum: ATF, Differential, Trans, Brakes, P/S
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ZF 8HP transmission hard shifting 1-2 when cold
Try contacting this guy for parts. Has anyone actually checked the fluid vs looking for leaks? I suspect it's possible that the fluid was low from the factory. IMO I would just change the fluid and re-evaluate: ZF8HP ATF Change Kit So I have been to a few shops in town, I have been told the...- bumwah
- Post #33
- Forum: ATF, Differential, Trans, Brakes, P/S
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ZF 8HP transmission hard shifting 1-2 when cold
Hello ya'll..... I have a 2012 BMW 535i, just turned over 50,000 miles. Since I bought it used at 28k, from a Mercedes Benz Dealership, it began its life of under delivering the driving experience I thought I was going to have based on my previous BMW vehicles. The main issue in the beginning...- bumwah
- Post #31
- Forum: ATF, Differential, Trans, Brakes, P/S