Haven't been on here in a while, since I sold all my bimmers, but I'm now considering a 2013 135is.
I've never owned a turbo before, so I know nothing about them, and I mean nothing...I had a few M cars, the latest was a 2012 M3 with the DCT...loved that trans.
Here are me questions:
The 135is I'm looking at has 53k on the clock, what should I be looking/listening/feeling for as far as wear or abuse?
Does these turbos require a cooling down period before shutting down?
How reliable are these turbos...how many miles can I expect before having to repair/replace them?
Do these car have any of the rear subframe tearing issues as the M Coupe/Roadsters had?
I'm not looking at tracking this car...yet, but I may want to do some mods in the future.
What/where would be good performance upgrades for these cars?
I hear/read a lot about waste-gates, what are these and how long do they usually last miles wise?
I know they have something to do with diverting exhaust, but not certain.
I'll be looking at this car today, so any info ASAP would be highly appreciated!
TIA!
Aloha!
Only the Z3 M roadster and M coupe had the trunkfloor failure, that was a very isolated issue.
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No need to let the turbo cool down. Modern day turbos really don't need it. MAYBE if you were driving balls out for an extended period of time, like on a track. But normal every day driving, even spirited driving won't need it.
We really don't have a lot of turbo issues anymore.
ASE and BMW Master Certified Technician
Selling mine
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