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| 04-18-2012, 02:33 PM | #1 |
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N55 Oil Pump Failure
Anyone have experience with this issue?
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| 04-18-2012, 03:30 PM | #3 | |
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Quote:
Depends on how it failed ( No pumping at all or reduced pumping) And how long it ran after the pump failed. Ive seen a couple models over the years have a failed pump replaced and the engine to go on many many many years without problems
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| 04-18-2012, 03:33 PM | #4 | |
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Any details on what happened ? What were the warnings, how quickly was the engine turned off after the failure
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| 04-19-2012, 08:46 PM | #5 |
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I believe all BMWs should have redundant oil/water/fuel pumps. Even Data Center servers have redundant processor, hard drives, NIC, and power supplies. I mean, they're single point of failure.
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| 04-23-2012, 03:25 PM | #7 |
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Okay here is the chronology of events.......car is 12 months old with 8650 miles...............
o Saturday 04/07 - displayed message...."Drivetrain malfunction....drive moderately to nearest service center"....... turned engine off. o Sunday 04/08 - started car and message reappeared.... turned engine off o Monday 04/09 - started car and no message but drove 10 miles to dealer, faults stored were 131401, 120408, 1CO102 o Wednesday 04/11 - diagnosed as "sticking" VANOS solenoid, dealer instructed by BMW to verify oil pressures. had to wait for special tool to measure o Thursday 04/12 - BMW instructed dealer to replace oil pump due to pressure readings, needed to order from Germany o Monday 04/16 - Part arrives o Friday 04/20 - Labor complete
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2022 M440i Convertible - San Remo Green / Cognac
2021 Mazda 6 Signature - Machine Grey / Parchment 2020 M340i - Mineral White / Black - SOLD 2017 M2 - Alpine White / Black - SOLD 2001 e39 M5 - Titanium / Caramel - A "Keeper" |
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| 05-01-2012, 07:25 AM | #8 |
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Seems fine after 10 days............just wondering if anyone else has experienced this issue?
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2022 M440i Convertible - San Remo Green / Cognac
2021 Mazda 6 Signature - Machine Grey / Parchment 2020 M340i - Mineral White / Black - SOLD 2017 M2 - Alpine White / Black - SOLD 2001 e39 M5 - Titanium / Caramel - A "Keeper" |
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| 05-01-2012, 07:34 PM | #9 |
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| 05-01-2012, 09:04 PM | #10 |
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I had a engine malfunction last week. Message said "engine malfunction, reduced power. you can continue driving, but once you stop the engine, it will not start. contact BMW assist or near dealer" something like that.
I drove home, parked, turned engine off. It won't start. It makes the sound of dead battery and won't start, a knocking sound. Dealer sent tow truck. Took to the dealer. They suspect there is problem with fuel pump or oil pump, I can't remember which one they said. Later they told me they just reprogram the computer and fixed it. They never actually told me what the problem was. |
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