BMW G30 540i & B58 Coolant System Refresh | Full Step-by-Step Guide/Walkthrough

BMW B58 Coolant System Overhaul + Heat Exchanger Upgrade – ULTIMATE DIY GUIDE! 🚀🔥
💥 B58 OWNERS, WATCH THIS BEFORE YOUR COOLANT SYSTEM FAILS! 💥

If you’re experiencing cooling issues, overheating, or just want to upgrade your system for long-term reliability, THIS is the most detailed step-by-step guide on YouTube! 🛠️ Don’t wait until your plastic parts fail – upgrade NOW!

👉 WATCH UNTIL THE END to see the full transformation! Plus, I share MUST-KNOW tips that can save your engine from overheating damage. As well as money on future repairs!

🔔 HIT LIKE, DROP A COMMENT & SUBSCRIBE for more B58 DIY content! 🚗💨

⏱️ TIMESTAMPS – SKIP TO WHAT YOU NEED!
00:00 - 16:48 – Intro (WHY YOU NEED THIS UPGRADE!)
16:48 - 21:19 – Intake Removal
21:19 - 24:15 – DME Removal
24:15 - 25:28 – Intake Removal Explanation
25:28 - 27:04 – Oil Filter Housing Removal Explanation
27:05 - 27:39 – Upper Radiator Hose Plastic End Removal
27:39 - 28:10 – Oil Filter Housing Torque Specs
28:10 - 28:32 – Auxiliary Clip Removal
28:46 - 29:43 – T-Pipe to Thermostat Explanation
29:43 - 31:17 – DME Removal & Installation
31:18 - 34:28 – Radiator Removal Explanation
34:28 - 35:13 – Auxiliary Pump Bracket Removal Explanation
35:13 - 37:06 – Radiator Bracket Modification
37:06 - 38:16 – Radiator Parts Transfer Explanation
38:16 - 38:36 – Radiator Modification for Heat Exchanger Fitment
38:36 - 39:33 – Up-close View of Plastic Radiator Bracket
39:34 - 42:18 – Heat Management Module & Thermostat Replacement
42:18 - 43:17 – Upper Radiator Hose Aluminum Connector Explanation
43:17 - 43:33 – Heat Exchanger & Radiator Modification for Fitment
43:33 - 44:44 – Intake Manifold Installation & Torque Specs
44:48 - 46:08 – Miscellaneous DME Wires
46:09 - 46:34 – Wiring Harness Clip for Auxiliary Coolant Pump
46:34 - 47:09 – T-Pipe Explanation
47:09 - 56:13 – Coolant Fill Procedure (CRITICAL TO AVOID OVERHEATING!)
56:14 - 56:22 – Outro

🔥 B58 Cooling System UPGRADE – Best Mods for Reliability!
🚨 FACT: The B58 stock cooling system has weak plastic components that become brittle over time, leading to coolant leaks, overheating, and engine failure!

✅ SOLUTION? Upgrade to FULL ALUMINUM COOLING COMPONENTS! 🚗💨

🔹 AliExpress Upper Water Pipe Connector (ALL 3): https://a.aliexpress.com/_msWl3c3
🔹 Amazon Aluminum Oil Filter Housing: https://www.amazon.com/dp/B0C9L1KK17
🔹 Amazon Additional Aluminum Connector: https://www.amazon.com/dp/B0DHBT92TP
🔹 eBay Aluminum Radiator (RWD G3X Series): https://www.ebay.com/itm/166638247175
🔹 eBay Upgraded Heat Exchanger: https://www.ebay.com/itm/305984108876

🚀 Performance Benefits of This Upgrade
🔥 Lower Coolant Temperatures – No more overheating!
🔥 Lower Intake Air Temps (IATs) = More Power 🔥
🔥 Lower Turbo Temps = Longer Turbo Life 💪
🔥 Smoother Throttle Response – Instantly noticeable!

💬 COMMENT BELOW: Have you had cooling issues with your B58? What upgrades are you running? Let’s talk!

🛠️ What Coolant to Use? (Avoid Mixing Coolants!)
I used BMW HT-12 Genuine Coolant, mixed 50:50 for 4.5 gallons total.

🔹 BMW HT-12 Coolant: https://www.bimmerworld.com/Fluids/BM...

⚠️ WARNING: Always check with your BMW dealer for the correct coolant for your model! Mixing coolants can cause major issues!

🚗 How to Properly Bleed the BMW B58 Cooling System
To remove air pockets and avoid overheating, use a vacuum filler tool:

🔹 Amazon Vacuum Filler Kit: https://www.amazon.com/dp/B01BW39HJS

🔹 Engine Oil Change & Treatment – Keep It Running Smooth!
🔹 FCP Euro Liqui Moly 0W20 Oil Change Kit: https://www.fcpeuro.com/products/bmw-...
🔹 MOS2 Anti-Friction Engine Treatment: https://www.fcpeuro.com/products/mos2...

💰 Total Cost of This Overhaul: $1,500.74
💥 That’s WAY cheaper than paying for an engine replacement!

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🔥 LIKE this video if you found it helpful!
🔥 COMMENT if you have any questions – I REPLY TO EVERYONE!

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