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BMW 3-Series (E90 E92) Forum
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8 years and 155k trouble free miles
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06-01-2019, 10:32 AM | #1 |
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8 yrs and 155k miles of driving joy
Today marks 8 years and 155k miles for our 335d. No mods. No carbon build up. Runs like the first day we bought it brand new. Engine has never been touched other than 6k engine oil intervals, fluid replacements, and preventative maintenance of regular wear and tear items. Truly one of our most favorite BMWs that kept its true "driving machine" DNA.
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06-01-2019, 04:20 PM | #3 | |
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06-02-2019, 06:48 AM | #4 | |
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06-02-2019, 02:40 PM | #7 | |
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I've asked for both coolant and transmission service and the dealer essentially refuses to do it. They say they have checked the coolant and it's fine (actually I've never added any either). I'm going to an independent next week to get the transmission serviced. Pan/filter, about 6 quarts fluid and I've asked for the megatronic seals to be replaced. The trans sometimes has a lazy 2-3 shift (usually when cold, only once per day) that I think is due to deteriorating megatronic seals. Was quoted "about $700". Old school shop where things work via handshake. We love the car but with a recent move our driving habits are now more often short trips than long (actually perfect for an electric car). Knowing this is not good for a diesel, not sure if we should keep it much longer. |
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06-02-2019, 03:19 PM | #8 | ||
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In terms of fluids, i am doing engine oil changes every 6k with def fluid, transmission with new pan / power steering / differentials / coolant roughly every 60-80k. Following the same schedule on my X5d, (that one is now up to 116k miles) and also running great. Consider also taking a look at belts and the harmonic balancer and replace proactively. They do tend to go on these cars. On ours the 2-3 shift is slow when the car is still cold. Usually once you let it warm up a bit more, should go away. Otherwise i think its pretty normal for this engine / trans combo as i have the same pattern on the x5d. |
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06-02-2019, 04:06 PM | #9 |
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On the shifting I know when cold it holds 2nd gear longer. My issue is 3rd is slow to engage when 2nd is released, causing the engine to rev up then it bangs into 3rd. As it only seems to happen once a day, and the car is electronically shifted, I suspect leaking seals between the megatronic (valve body) and the actual transmission. Other possibility is one of the shifting solenoid valves is going bad, but I think it would happen more frequently if that were the case. This started occurring around 80K miles.
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06-03-2019, 01:45 PM | #10 | |
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06-03-2019, 06:07 PM | #11 | |
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I'll know in a little over a week if replacing the megatronic seals resolve the issue. |
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06-16-2019, 08:50 AM | #12 | |
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06-16-2019, 02:09 PM | #14 | |
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06-16-2019, 02:11 PM | #15 | ||
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https://www.idparts.com/automatic-tr...70-p-3010.html
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