THE MOST COMMON BMW COOLANT LEAK & HOW TO FIX IT! CHECK YOURS!

Most BMWs are known for their brittle cooling system components. From plastic water pumps to plastic radiators and hoses, you never know what is going to leave you stranded. Be sure to check this common N54/N55 problem area for leaks on your BMW 335i or 135i. If you have high mileage or can visibly see stress areas, replace it before it's too late! All the parts and tools you'll need are linked below.

Radiator vent hose: https://bit.ly/34YnrRe
Upper radiator hose (if you break the nipple): https://bit.ly/34UNCIG
Pentofrost NF coolant concentrate: https://amzn.to/2zhth4w
T20 torx wrench: https://amzn.to/3eHF4t4
Dremel kit: https://amzn.to/3eBaAZM
Pick set: https://amzn.to/2xTkzcv
Assorted hose clamps: https://amzn.to/2XWg6As
Fluid funnels: https://amzn.to/3aABcqQ

😍 MUST HAVE BMW ACCESSORIES
➡️ My favorites: https://amzn.to/2J6RJY4
Shop BMW parts on ECS Tuning: https://bit.ly/2Whl9el
Shop E90 parts on Kies Motorsports: https://bit.ly/2Ks1Veg
Shop 335i parts on Amazon: https://amzn.to/3axh2OQ
Shop E9X 335i parts on eBay: https://ebay.to/3cFqTmM

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🏁 My BMW merchandise: https://bimmerstreet.com
💰 Donate to the channel: https://bit.ly/2HhSDAZ

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🚗 2009 BMW 335i
Complete Build Log: https://bmw335i.com
DINAN Carbon Fiber Cold Air Intake: https://bit.ly/2Vlycfc
BMS Charge Pipe w/ BOV: https://bit.ly/3aynKE3
BMS Oil Catch Can: https://bit.ly/2HTxsaJ
NGK Spark Plugs @ 0.020": https://bit.ly/2TvoDVQ
High-Performance Ignition Coils: https://bit.ly/2HNI3kf
LUX H8 180 LED Angel Eyes: https://amzn.to/34YlXq8
Wheel Stud Conversion Kit: https://bit.ly/39EvfJS

⛽ BMW OIL CHANGES I SWEAR BY
Motul X-cess 5W-40 oil (5L): https://amzn.to/2HKTbOv
Motul X-cess 5W-40 oil (1L) x2: https://amzn.to/2HbGpqZ
Mann oil filter: https://amzn.to/2HLiPT5
Magnetic drain plug: https://amzn.to/2EYwYsV

🔧 TOOLS I LOVE
Dragy GPS track timer: https://amzn.to/2J4DILx
BMW wheel-saver socket: https://amzn.to/3bqTls0
BMW jack pad adapter: https://bit.ly/2V7F7mX
200-piece tool kit: https://amzn.to/2zZlsRd
Low-Pro floor jack: https://amzn.to/2vq1g8F
MaxJax home garage lift: https://bit.ly/2WHGZZm

This description contains affiliate links. If you click any of the links above to purchase a product, I will earn a small commission at no extra cost to you. Win-win!