2020 BMW M550i - $86k MSRP / $995 Per Month / 17 month left

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Year, Make, Model, and Trim: 2020 BMW M550i Xdrive
Location: Bergen County, NJ

MSRP: $85,835
Monthly payment (pre-tax): $995.32 including NJ Tax
Effective monthly payment (if incentive is provided):

Current mileage: 29,395
Maturity mileage: 44,100 (I purchased more miles, originally 36K)
Effective miles per month: ~833
Maturity date: 09/30/2022

MSD due (if any): $0
Cash due (if any): $0
Incentive for new lessee (if any): $0

Financial institution: BMW Financial
Transfer fee: $500
Out-of-state transfer allowed (yes/no): Yes

Vehicle condition (accidents, tire wear, etc.), options, and other details:

Car is in immaculate condition, I replaced the the grey M550 trim with gloss black parts from BMW. The car is also tuned by RK tunes in Long Island, NY and currently makes 630 HP. The car also comes with a set of winter tires (Pirelli WINTER SOTTOZERO SERIE II). The car still has the winter tires on (see photos of tread). I will be switching back to the Goodyears this week. The car is also tinted 20% all around.


How does all this “tuning” sit with bmw at the end of the lease? Asking for a friend.

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It’s only an ECU flash, can easily be deleted.

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sheeeesh GLWT, this thing probably sounds amazing.


It’s sounds Nasty!

Uploaded a video to https://vimeo.com/532991668


I don’t know if the car will run into problems. Hopefully not, but Bmw can always detect a tune if they really dug into it, even if it’s ecu is reflashed.

I have had previous M leases that were tuned and the dealer never said anything to me. I didn’t even bother to re-flash them.

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Yea I don’t think dealers proactively look.
Car looks amazing. Definitely a beast. Good luck with transfer

Imagine the next guy picking up the car and being in for a surprise :sweat_smile:

Only issue would be if the car had an engine problem and you brought it into the dealer. They could detect the tune and my guess is the repair for the engine would be on you.

If the car has no engine or electrical problems you’ll be fine.

If you have a problem, BMW can and will void your warranty cover for having a tune. The ECU has a tamper flag, according to my understanding—sort of a canary that can’t be reset if it’s changed at all. I’d guess 99% of the time it’s fine. Just don’t be the guy who is the 1% and is fixing a Bimmer engine out of warranty.

A piggyback tune is better if you care about your warranty.