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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning Engine removal/Rodent Damage

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      08-26-2018, 07:26 PM   #1
Grrveer
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Engine removal/Rodent Damage

Hello All,
I was looking to hear some thoughts and opinions on my current situation, I have a 2016 m235i (~35k miles) which ran great no issues other than a 02 sensor which was replaced under warranty, but I had some rodent damage were the engine harness was chewed through in October/November of last year which was replaced by BMW. About two weeks ago I got a drivetrain malfunction warning on the way to work and ended up taking the car into BMW only to find out that I had rodent damage again to the engine harness and firewall insulation. Luckily my insurance is covering the repair and I only have to pay the deductible, but in order for the repairs to be completed, they have to pull the engine out. This brings me to my main concern of the car not being the same or having issues once they pull the engine out to complete the repairs. Does anyone have any relatable experience with something like this, if so how did the vehicle fair afterward? Any advice or input would be greatly appreciated. (Any tips/methods to keep the rodent which they believe to be a rat away, would also be greatly appreciated)

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      08-26-2018, 07:42 PM   #2
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https://www.consumerreports.org/car-...-from-rodents/

I had a mouse nibble under the engine cover and wrapped the loom in https://www.summitracing.com/parts/d...iABEgLye_D_BwE
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      08-26-2018, 08:21 PM   #3
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You should probably set traps where you park your car on an ongoing basis.
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      08-26-2018, 08:48 PM   #4
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I wouldn't be concerned with the engine being removed as long as it's done by a capable shop, in this case the dealer.

I would express your concern to your service advisor and see if you can have the shop foreman take on the job. They should have motivation to do it correctly so they don't have to revisit their work.

They do this stuff all the time.
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      08-27-2018, 05:39 AM   #5
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1) Dealers do this work all the time, human error can always happen but is not likely and normally easily remedied.
2) My bigger concern would be the rodent, you MUST change if possible where you are parking your vehicle to change the habit of the rodent. Moth balls placed under the hoods has worked from what i've seen in the past, if it's in a personal garage, set traps.

My perspective comes from almost thirty years of Service Manager (dealer) and now Fixed Ops Director (dealer). I've probably seen 1k engines replaced and any issue caused by a technician was easily resolved. I've seen far less rodent damage but probably seen it over 150 times. The rodent should be your concern, good luck.
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      08-27-2018, 07:11 PM   #6
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Thank you all for taking the time to provide some feedback, greatly appreciated. I usually park my car in the driveway, but I guess I will give parking on the street a shot along with some dryer sheets.
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      08-28-2018, 08:47 AM   #7
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https://www.howtopreventratsfromeati...-based-wiring/

You could try some of the suggestions here. The insulation on vehicle wiring is now soy based, which attracts the rats.
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      02-23-2021, 06:16 PM   #8
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Quote:
Originally Posted by DeidreHamxx View Post
Try using traps
Or a time machine, this was 2 1/2 years ago.
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