Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2011335XI 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2442 (MAINTENANCE AND GENERAL INFORMATION - REPAIR -- M3 COUPE)MAINTENANCE00 00... CHECKING COOLANT LEVEL AND CONCENTRATION, CORRECTING IF NECESSARY
2011 BMW 335xi 4D Sedan, Automatic
00 00... Checking Coolant Level And Concentration, Correcting If Necessary
2011 BMW 335xi 4D Sedan, AutomaticSECTION 00 00... Checking Coolant Level And Concentration, Correcting If Necessary
WARNING: This page is about a different car, the 2013 BMW M3, 2012 BMW M3, and 2011 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
- Check connections, hose clamps and hoses for coolant residues and damage such as e.g. cracks.
- Check coolant level in expansion tank. Coolant level must be between Min. and Max. marks. If necessary, top up coolant to max. fluid level. If there is no coolant, also identify the cause and notify the customer.
- In event of topping up: Check concentration with antifreeze tester (special tool) in coolant expansion tank.
If necessary, drain off the difference quantity at the coolant drain plug and top up with recommended coolant (issue a separate invoice).
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.