11-26-2021, 08:49 PM | #1 |
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differential fluid leak on 340
So I have been running xHp Stage 2 trans tune for the past few weeks, absolutely loving it. Took my car to the dealership today to get a brake screech issue looked at and they also found a differential fluid leak near the front. No idea what caused it, does the differential sit lower to the ground and more prone to get hit if go over a harsh bump? I'm guessing it was either that or something related to the line pressure increase on the transmission caused the leak.
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11-26-2021, 08:56 PM | #2 | |
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11-27-2021, 05:31 PM | #3 | ||
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11-27-2021, 07:10 PM | #4 | |||
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11-27-2021, 09:39 PM | #5 | ||||
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Differentials are pretty bulletproof until they get high mileage so mechanics who have replaced differentials have mostly done so on E-Series cars. Those differentials are much easier to work on. The driveshafts are attached with simple bolts. The F-Series driveshafts require special tools because they use a circlip that runs in a groove on the shaft. My independent BMW shop mechanics were baffled when I brought them my LSD. They were BMW factory trained with decades of experience but the F-Series differential was a new design and it was the first one that they had gotten their hands on. It took them a couple of days to research and to obtain the special tools |
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