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      08-06-2019, 01:49 PM   #1
HawaiiShrimp
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Are 2016-2018 M2 reliable?

Hi everyone,
I recently purchased a '17 M2 (MT). To be honest, always a Japan cars owner, it's my 1st time owning a BMW vehicle. Very excited about it. I want to keep this car low mileage and in pristine condition as much as I can. Truly grateful to find this forum for the M2 so I can learn from you guys.

With that said, may I ask for your opinion how reliable the 2016-2018 M2 are? ie. electronics, engine and manual trans? I heard that the n55 engine is very reliable, but what about the other parts of the vehicle?

If I maintain it religiously (i.e, on top of the maintenance schedule), can I expect it run smoothly up to e.g. 100k miles? 150k miles? without major repairs? I apologize in advance if my questions appear naive. Still new here in the BMW world.

Much appreciated for your insight.

Thank you!

UPDATE: Someone PM'ed me "Wouldn't it be great if we have a database or spreadsheet of this for reference..?"
I just created a spreadsheet so folks can feel free to document issues they observe with their 2016-2018 M2. Just in case people want to share their issues and fixes here. Here is the link to it:

https://docs.google.com/spreadsheets...RfE/edit#gid=0

Last edited by HawaiiShrimp; 08-09-2019 at 12:07 PM.. Reason: Update with shareable spreadsheet
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      08-06-2019, 02:07 PM   #2
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Quote:
Originally Posted by HawaiiShrimp View Post
Hi everyone,
I recently purchased a '17 M2 (MT). To be honest, always a Japan cars owner, it's my 1st time owning a BMW vehicle. Very excited about it. I want to keep this car low mileage and in pristine condition as much as I can. Truly grateful to find this forum for the M2 so I can learn from you guys.

With that said, may I ask for your opinion how reliable the 2016-2018 M2 are? ie. electronics, engine and manual trans? I heard that the n55 engine is very reliable, but what about the other parts of the vehicle?

If I maintain it religiously (i.e, on top of the maintenance schedule), can I expect it run smoothly up to e.g. 100k miles? 150k miles? without major repairs? I apologize in advance if my questions appear naive. Still new here in the BMW world.

Much appreciated for your insight.

Thank you!
I have almost 43K miles on my MT 2018.

Had one coil go nuts and messed up a spark plug that threw 2 CEL's - Had a very brief gremlin in the steering column - you would not believe the story - fixed on its own.

Had a problem with the horn and a turn signal deal but, this stuff is all very minor - just listing everything I can think of.

Have a Dinan Stage 1 tune but the car uses zero oil and hauls ass.
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      08-06-2019, 02:15 PM   #3
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My 2018 M2 has only had one intermittent problem, right turn signal malfunction. I haven’t bothered to get it fixed yet.
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      08-06-2019, 02:24 PM   #4
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20k miles, no issues thus far
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      08-06-2019, 02:25 PM   #5
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Had issues with horn ( fre replacement ), taillight getting condensation (free replacement), screen went black and need it update (free).
Noise on brake covers (free fix)
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      08-06-2019, 03:10 PM   #6
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Stock, non-track 2017 with 18,000 miles.
Change oil & filter every 5,000 miles and only use Shell V-Power gas.
Had dust shields replaced for free for 'rocks in soda' sound when pebbles would get caught.
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      08-06-2019, 03:17 PM   #7
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Yes they are. That being said though cars during the warranty period which you are asking about are normally very reliable as that is the point. come 2021 onward you might be better served by the answers about 2016/17+ M2's
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      08-06-2019, 03:22 PM   #8
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2018 LCI here and the only issue was the amplifier going fubar at 18,000 km. Replaced under warranty otherwise car is rock solid.
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      08-06-2019, 03:27 PM   #9
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29k miles on my 2016 and the only issue I've had so far was my aftermarket charge pipe popping off (ironic as I installed it to prevent this from happening). Turns out it was installation error as I didn't tighten the clamp that connects the two pipes together tight enough. Whoops...No issues otherwise though.
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      08-06-2019, 04:46 PM   #10
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2016-2018 M2 Reliable

Purchased 4/16. 35000 miles Daily driver track and winter driving. No issues
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      08-06-2019, 05:06 PM   #11
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Quote:
Originally Posted by DanG View Post
My 2018 M2 has only had one intermittent problem, right turn signal malfunction. I haven’t bothered to get it fixed yet.
Signal malfunction? Sounds like she's running just fine lol
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      08-06-2019, 05:08 PM   #12
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Originally Posted by Happy Motoring View Post
Signal malfunction? Sounds like she's running just fine lol
Happens for a while and then disappears for weeks.

https://f87.bimmerpost.com/forums/sh....php?t=1518790
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      08-06-2019, 05:45 PM   #13
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Quote:
Originally Posted by quikM2 View Post
Yes they are. That being said though cars during the warranty period which you are asking about are normally very reliable as that is the point. come 2021 onward you might be better served by the answers about 2016/17+ M2's
Thank you Sir. That is exactly one of the intent of this post. Long term reliability. As the car gets older (5+ years), I'd like to learn from other M2 owners about their M2 reliability. So, I can keep an eye out for all potential issues and repair costs down the road.
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      08-06-2019, 07:28 PM   #14
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17 m2 water pump failure at 27k km out blue.
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      08-07-2019, 12:07 AM   #15
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17 m2 water pump failure at 27k km out blue.
uh oh, any symptoms? Car overheated?
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      08-07-2019, 01:54 AM   #16
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23k on mine, I rag on it everyday, no problems, I do keep getting rocks stuck in the wheel dust shields which causes noises, is there a solution for this?
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      08-07-2019, 07:37 AM   #17
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Quote:
Originally Posted by babym2 View Post
23k on mine, I rag on it everyday, no problems, I do keep getting rocks stuck in the wheel dust shields which causes noises, is there a solution for this?
I believe there was a recall for this and the shield design was updated. check with dealer.
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      08-07-2019, 08:05 AM   #18
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bad amp for me, fixed for free within first 2 weeks of ownership.

had coolant put in my windshield fluid by a dumb tech.

that's it for me

2017, with 18k
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      08-07-2019, 10:03 AM   #19
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Quote:
Originally Posted by HawaiiShrimp View Post
uh oh, any symptoms? Car overheated?
Yes car warnings went off right away. Had it towed to local dealer near break down. Replaced under warranty no issues since. Must have been a fluke occurence as not seeing others on here.
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      08-07-2019, 01:20 PM   #20
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Quote:
Originally Posted by dalrx View Post
Yes car warnings went off right away. Had it towed to local dealer near break down. Replaced under warranty no issues since. Must have been a fluke occurence as not seeing others on here.
Electric water pumps don't seem to be as reliable as mechanical as leaks seem to be more common. Audi/VW has had a hell of a time getting this right and still can't. My Golf R water pump/thermostat housing started to leak and I had to wait almost two months because they were on national backorder due to the amount they have to replace them.
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      08-07-2019, 02:28 PM   #21
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I have an M235 which has the same 6MT and essentially the same N55 minus the better oil pump used in the M2's N55 and a few psi less boost. Mechanically, everything else is the same down to the intercooler. The M2 has a different passive suspension setup too.

Anyway, I've owned my M235 for 3.5 years and 36K miles. I had one CEL pop up shortly after buying the car which was related to winter fuel. BMW reflashed the DME and all was well. No other issues to report on the mechanical and electrical side.

I've owned almost entirely Japanese cars over the past 30 years and this is my first german car. It's actually the most reliable one and best put together car I've ever owned. I still don't have a single rattle.

With that said, I fully expect some things to start going south within the next 2 years and 20K miles. The last model N55 used in the M2/M235 is a bit beefed up (forged crank rather than cast, better rod bearings, more auxiliary cooling) compared to the other N55s used in all the other BMW models, but there are some common issues with the N55 that may come about at some point after 5 years on the road. They include (typical rates to repair at a shop provided; much cheaper to fix yourself if you're a DIYer):

1) Coil packs. Turbo BMWs are pretty hard on coil packs and expect a few to die, especially if you tune the car. $300-500.
2) Leaking valve cover gasket. $1500-2000.
3) Leaking oil filter housing gasket. $600-900.
4) Failed water pump. $900-1200.
5) Spark plugs every 50K miles or so. More often if you run a tune. $150-300.
6) Broken charge pipe. $900-1,200.
7) Coolant tank to radiator overflow hose. $150-200
8) Oil pan leak (less common). $1000-1400
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      08-07-2019, 03:11 PM   #22
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