BMW 1-Series Forum (F20) 135i - 1Addicts.com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > 2014 M135i
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      09-22-2019, 02:59 AM   #1
DG330
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2014 M135i

Hi,

Looking at potentially getting a m135i 2014 with 80-100k miles on it. I believe I am looking at the 3.0 single turbo option. Also would only get the auto 8 speed.

Any common issues to be aware off?

Gearbox/engine issues?
Electrical?
Body/chassis?

Any pointers would be great

Thanks
Tim
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      10-22-2019, 04:30 PM   #2
maverick83
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They're pretty reliable, fluids must be changed frequently as per schedule at least.

People complain about whining gearbox on the ZF8, knocking steering rack and exhaust flap rattle - no other real issues.

For £26 you can DIY the steering rack knock
Exhaust flap is easily fixed by bending open the spring
ZF8 whine - not so easy, but have not heard of any failures, looking on eBay these gearboxes are cheap so indicates to me there's no real demand so pretty reliable
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      10-22-2019, 05:07 PM   #3
DG330
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Thanks for the info!

What's the engine and turbo like for reliability?

Any valve seals, head gasket, rings etc issues - big jobs ha! Smaller ones are fine like basic gaskets etc

Injectors?

Any issues with the mileage range I'm looking at?

I have a e90 330d, but it's a bit of a headache so might trade up if I can't fix it. So be good to know what to look out for 👍
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      10-25-2019, 04:14 AM   #4
ChristosD
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make sure you get an EWG
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'14 F20 M135i EWG FBO:// INJEN INTAKE // PURE INLET// TURBOSMART BOV DUAL PORT //
//CSF INTERCOOLER // ER CP // SNOW S2.5 METH KIT // B58TU HPFP // NGK 97506 // ER DP // TMSS MID PIPE //MPE // MPBBK // UR STRUT BRACE // BM3 CUSTOM JORDAN E85 TUNE // XHP STAGE 3 //
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      11-01-2019, 04:24 PM   #5
maverick83
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EWG is just better if you're going to tune it as it will give slightly better results.

I think these engines are pretty reliable TBH - just make sure its been looked after - regular oil changes etc...
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