If you own a BMW with a straight-6 engine, you’ve probably heard about oil separator valve problems. Sludge buildup can clog the valve, causing headaches like oil burning, rough idling, and engine fault codes. In this Inside the Brands episode, we share key info on what to watch for and what parts to replace to save time and prevent future issues.

Since this repair can take 6 to 9 hours, it’s worth tackling a few related parts while you’re under the hood:
1. Replace old, brittle hoses to avoid future breakdowns.
2. Upgrade to a cold-weather valve with foam insulation to reduce sludge buildup.
3. Check the air intake boot for cracks or wear and swap it out if needed.

Rein Automotive has you covered with air intake boots, cold-weather valves, hoses, and complete kits to make the job easier. Watch now!

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