06-02-2018, 10:40 PM | #1 |
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Took the car to a local Bmw specialist to check a ticking noise from the engine and they advised rod bearings worn out now they are not sure if they are bad enough where is casings that noise . Not sure what to do now ? They waiting for more technicians to look at it and advise . Last edited by Mikeym6; 06-05-2018 at 02:17 PM.. |
06-03-2018, 06:28 AM | #2 |
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Warranty claim or was engine modded?
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06-03-2018, 07:27 AM | #4 |
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What is really interesting is the friction marks on the side of the rod caps... as if there is insufficient side clearance when they experience thermal expansion. Can't wait to see if this becomes a common issue like that seen in the S54, S65, and S85 engines.
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06-03-2018, 09:59 AM | #5 |
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I would contact tuner and ask them to look at engine. Warranty only void if they can prove that tuning caused the issue. If this was a manufacturing defect, tuning becomes less of an issue (most states have comparative negligence standard, which means that if tuning accelerated the engine's demise by 25%, then BMW is liable for only 75% of the claim.
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06-03-2018, 01:44 PM | #6 |
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06-03-2018, 03:33 PM | #7 |
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2 of those bearings look really bad. The others show wear you would normally seen in a higher mileage motor
I highly doubt it's a tuning issue. It's either: 1. Poor clearance design by BMW, similar to the tight clearances in the S85/65 2. Incorrect oil 3. Poor cold start driving habits Or a combo of all 3 What oil were you using? And what is your typical cold start driving habit?
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06-03-2018, 04:06 PM | #8 | |
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06-03-2018, 04:07 PM | #9 |
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I didn't tell them anything I didn't even know it was tuned , took the car to them for the noise then they called me saying sorry we gotta good the warranty on the engine because of the ecu tune and mufflers delete
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06-03-2018, 04:08 PM | #10 | |
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06-03-2018, 04:20 PM | #11 |
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And what's your cold start driving habit?
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06-03-2018, 04:35 PM | #13 |
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Ok that’s not good for the engine but still should not have done that to the bearings. Typically you should start the car and then drive without warming it up, just don’t get on it until it’s warmed up. I would hire a lawyer and approach BMW North America about this.
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06-03-2018, 04:37 PM | #14 | |
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06-03-2018, 05:09 PM | #15 |
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How come that issue wasn't resolved on the V10 engine when they updated the LCI in 2007? They just let the engine remain faulty for the rest of its life until 2010...
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06-03-2018, 05:51 PM | #16 | |
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Plus he said tune and muffler delete,I wouldn’t think an exhaust system can void warranty |
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06-03-2018, 06:47 PM | #17 |
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You mean correct something and admit fault? BMW has never taken responsibility for any bearing clearance issues from what I can tell. Unfortunately the OP will go broke trying to get a judgment against BMW, especially with a tune (regardless of what others are saying). Much cheaper to just have a reputable engine builder check the clearances, blueprint the crank if necessary and replace the bearings.
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06-03-2018, 07:16 PM | #18 | |
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Best is to just keep RPMs below 3000 until oil heats up to 200 degrees
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06-03-2018, 08:42 PM | #19 | ||
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06-03-2018, 09:24 PM | #21 | |
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Didn't know it was tuned? So they never disclosed to you prior to purchase? ... Auction car? |
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06-03-2018, 09:40 PM | #22 | ||
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