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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications Hey all, switching from an e90 to an F10
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      05-18-2018, 02:42 AM   #1
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Drives: F10 528i xDrive; Z32 300ZX TT
Join Date: Oct 2017
Location: Colorado

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Hey all, switching from an e90 to an F10

I found a clean looking 2012 528i xdrive under market price with 100k on it that I'm looking at picking up this weekend so I can have a reliable DD for living in Colorado.

After doing some digging, it looks like the N20 can have timing chain issues with pre-2015 models, is there an easy way to check if it has a stretched chain/had the service to change it done? The dealer said he had it inspected at the oil change 100 mi ago and said it was fine/tight/no stretching or wear marks. Not sure if it is a vocal minority or a widespread issue affecting all the models using the N20 (have one 17+ year master mechanic say avoid it, another with the same experience say they've only seen one ever with the problem.) Will call Schomp BMW to see if I can get any info on it since that's where the last dealer service was. Would it be worth it for an extended service contract? Quoted at $3600 for a comprehensive 12month/12000 contract through USAA.

Anything else I need to look out for? I have the Full iCarly Pro with Bluetooth reader that I'll be using to check it out after the test drive.

The dealer is holding it for me to make the 70mi drive out to check it out on Saturday. If it checks out I'll be taking it home. I'd like to throw on a Racechip GTS or GTS-Black for a nice even powerband bump, a high flow catted downpipe, and replace the plastic charge pipes then call it good on the N20.

If not, I'll probably look at getting a boosted Volvo XC60/70 in the same year range since it fits my price point and expected capability/comfort + some options for piggybacks.

Looking it up through BMW NA there aren't any service recalls on it. Was thinking about doing a DMV VIN public records search but it can take up to 3 weeks for results.

Thanks for your input!

PS, let me know if crossposting is frowned upon, I have the same post in the technical section since I figured it would be better to get exposure to both those more technically inclined and a wider audience that has dealt with these issues.

Last edited by ColoradoCale; 05-19-2018 at 07:43 PM.
Appreciate 0
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