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F10 M5 (2012 - Current)
The count down is on. The BMW M5 F10 will be released on April 1st, 2011!

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  #1  
Old 11-23-2011, 07:15 AM
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DAI DAI is offline
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Location: Wisconsin
 
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Mein Auto: '10 550i M-Sport
New M5 Opinions (Turbos)

I'm on my 3rd BMW, the last one that was my primary car was an '07 550i; current X3 is my wife's main vehicle. The 550 was a great vehicle to drive, but with the SMG it was not very passenger friendly. For my next BMW I would really like to get the M5, but have some concerns on the turbos. I'm not familiar with turbos and never owned a car with one. What is the expected longevity impact on the engine with the turbos?
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  #2  
Old 11-23-2011, 08:11 AM
mujjuman mujjuman is offline
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Mein Auto: hoopty
From my experience with turbo Audis and turbo VWs, I'd say 100,000 miles before huge repairs. But I have noticed that M engines need a lot of maintenance to begin with.
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  #3  
Old 01-15-2012, 06:53 PM
Aronis Aronis is offline
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Mein Auto: RS6
I have 125,000 miles on my RS6. Twin turbo V8. Knock on wood still no issues. (suspension yes, engine no)
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  #4  
Old 01-15-2012, 10:48 PM
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davesf davesf is offline
2012 550i x-drive DSB
Location: san francisco
 
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Mein Auto: 2012 550xi DSB
Over the years, I have anicdotally seen more maintentance trouble with turbos than non-turbos (all brands). However, emissions standards are pushing brands to turbos and superchargers to get better fuel combustion. Almost BMW's entire lineup is now turbo, just like almost all of Audi's lineup is superchargers. I have to believe they are going to get good at maintaining these systems with so many of them in the field (and on long-ish maintenance contracts).

Still, I'll probaby buy the 7yr/70k mile extension (which is plenty of miles for me).
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  #5  
Old 01-16-2012, 07:16 AM
SuperTerp SuperTerp is offline
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Mein Auto: m4now M5M3 550 760 335RIP
Quote:
Originally Posted by davesf View Post
Over the years, I have anicdotally seen more maintentance trouble with turbos than non-turbos (all brands). However, emissions standards are pushing brands to turbos and superchargers to get better fuel combustion. Almost BMW's entire lineup is now turbo, just like almost all of Audi's lineup is superchargers. I have to believe they are going to get good at maintaining these systems with so many of them in the field (and on long-ish maintenance contracts).

Still, I'll probaby buy the 7yr/70k mile extension (which is plenty of miles for me).
I'd agree with more issues, I do think we've come a long way with turbos, one of my good friends put over 100k on a 2007 335, and I'd say mashed the hell out of it every chance he got. It's been gone for awhile now, but it was still hauling A$$ when he got rid of it. I'd agree don't be shocked if you get close to 200k, but also don't be shocked if you start seeing issues around 100k.

I'd also bet the people on here are more inclinded to baby the hell out of the car, then say some kid given an m5 for a birthday gift and just trashes it. Which would help longevity, but if you're looking for a specific mileage there really isn't one, but x3 turbo's means x3 more chance of failure lol.

Last edited by SuperTerp; 01-16-2012 at 07:24 AM.
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  #6  
Old 02-17-2012, 10:43 PM
MRV99 MRV99 is offline
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You want to keep turbos running, don't go 15k miles on your oil. Pay to have it done every 5k and they will live much longer. No mater how good synthetics get, they can't overcome the massive heat the turbos face
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  #7  
Old 02-18-2012, 01:39 PM
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dalekressin dalekressin is offline
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Originally Posted by MRV99 View Post
You want to keep turbos running, don't go 15k miles on your oil. Pay to have it done every 5k and they will live much longer. No mater how good synthetics get, they can't overcome the massive heat the turbos face
+1 True with any car!
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