F55/F56 Serpentine Belt Issues

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Jan 3, 2026 | 04:21 PM

EliotF

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Joined: Jan 2026

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Serpentine Belt Issues

I have a 2015 Mini Cooper 1.5 liter engine.
I'm having issues finding the correct serpentine belt size what correct size is the belt on a 1.5 liter engine for a 2015 Mini Cooper.

Jan 3, 2026 | 08:41 PM

James1980

1st Gear

Joined: Dec 2022

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From: San Diego, Ca

Looks like it's 35.20". Rockauto.com

Jan 5, 2026 | 10:52 AM

ECSTuning

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Joined: Jan 2013

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From: Wadsworth, Ohio

Hello,

https://www.ecstuning.com/Mini-2015-...e/Drive_Belts/

6PK X 1715 https://www.realoem.com/bmw/enUS/par...252&series=F56

Thats what i have.

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Jan 16, 2026 | 06:31 AM

RobertPeters2

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Joined: Dec 2025

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Buy by VIN or from ECS Tuning / RealOEM - less chance of making a mistake.

When my Mini Cooper's alternator belt broke right on the highway, the local shop was asking an exorbitant price for the original, and I was afraid to install Chinese knockoffs. I decided to take a chance and ordered one through parts geek . It arrived in 10 days. It was a Gates, just like the factory one, but the price was half as much. I installed it myself in the garage, it started right up, and I've already covered 3,000 km without any problems. Now I only buy all my consumables from there; it's a lot less stressful.

Last edited by RobertPeters2; Jan 17, 2026 at 03:11 PM.