This can happen if the timing chain on your N14 skips time and bends valves which is a common issue.
I cover diagnosis of bent valves in this video: https://youtu.be/cCrbrz7nERI
Here’s a link to (Part 2): https://youtu.be/Wh3sK3Vnv_g
This video walks you through the process of replacing bent valves in an N14 engine. It covers cylinder head removal, cam shaft removal, timing chain removal, and also valve removal.
See the ‘Related Videos’ section for additional videos on front end removal as well as other Mini Cooper repairs.
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Ingersoll Rand 3/8″ Impact: https://www.jbtoolsales.com/ingersoll-rand-w5132-k12-iqv20-3-8-drive-impactool-bl2022-kit#oid=1002_1
1/4” Milwaukee Driver: https://www.milwaukeetool.com/Products/Power-Tools/2453-22
Milwaukee 1/2” Impact: https://www.milwaukeetool.com/Products/Power-Tools/Fastening/Impact-Wrenches/2863-22
Milwaukee 3/8″: https://www.milwaukeetool.com/Products/Power-Tools/Fastening/Ratchets/2557-20
Lisle Valve Keeper Tool: https://www.jbtoolsales.com/lisle-36050-valve-keeper-remover-and-installer-kit#oid=1002_1
OTC Valve Spring Compressor Tool Kit: https://www.jbtoolsales.com/otc-4842-heavy-duty-valve-spring-compressor#oid=1002_1
Timing Chain Tools (Includes flywheel holder): https://www.jbtoolsales.com/assenmacher-mc1400-mini-cooper-engine-alignment-tool-set#oid=1002_1
Torque Wrench: http://www.rakuten.com/prod/282405511.html
Torque Angle Gauge: https://www.jbtoolsales.com/otc-4554-torque-angle-gauge-1-2-drive#oid=1002_1
Hose clamp plier set: https://www.jbtoolsales.com/otc-4496-5-piece-hose-clamp-pliers-set#oid=1002_1
Small Hose Clamp Plier Set: https://www.jbtoolsales.com/tool-aid-19750-hose-clamp-plier-set#oid=1002_1
Astro Pneumatic Light: https://www.jbtoolsales.com/astro-pneumatic-40sl-rechargeable-cob-led-slim-work-light-410-lumens#oid=1002_1
Mini Cooper S (R56) Front End Removal: https://youtu.be/2RfQsOwBZHk
How To Replace Valves: https://www.youtube.com/watch?v=qEe8C5u1LWg&t=704s
How To Remove Valve Springs Inside the Car: https://www.youtube.com/watch?v=_uO5YayiLrA
Introducing The Mini Series: https://youtu.be/Ajsk8kgafXg
Mini N14 Timing Chain Replacement: https://youtu.be/VoPz9sEvYN4
Mini Cooper Engine Removal (R56/N14): https://youtu.be/338Wx0fOS3U
Mini Cooper Engine Installation (Part 1): https://youtu.be/56lB1hDngqU
Mini Cooper Engine Installation (Part 2): https://youtu.be/4oXAD1YRbCk
Mini Cooper Rear Hatch Won’t Latch Repair: https://youtu.be/F0nuP7sfhZs
Mini Cooper Oil Leak Repairs (R56/N14): https://youtu.be/7MWiOnZxURw
Direct Injection Intake Valve Cleaning (R56/N14): https://youtu.be/JJcX0eRZmFA
The Mini Series: https://www.youtube.com/watch?v=3WpqmJT_Wc0&list=PLSzhQ6St-ov37fMEv1xKYiu36MgvzUscu
**Answers to your automotive questions found here: http://www.ericthecarguy.com/faq
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Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy®.