Is this good for my BMW 2019 540i?

Thank you for your interest in PEAK OET Extended Life Blue. Yes, this is the correct product for you 2019 BWM 540i.

Can you mix this with the bmw brand coolant? thats what is in my coolant system currently. this product seems to be basically the same thing as that.

Yes, you can use PEAK OET Extended Life Blue for European Vehicles but I would recommend performing a complete flush and fill first.

i bought this for my 2009 ml350 4matic thinking it was correct color. mine currently is yellow and the bottle is blue coolant, can i mix these?

Do not mix coolants of different color. This can cause corrosion and damage the engine. It sounds as if your coolant was incorrectly filled somewhere with orange which is used in GM vehicles. The German cars all call for the blue coolant. This would include your Mercedes. You will need to drain your coolant or have it flushed in order to add the proper blue coolant.

Can you add this in with other coolant or do you need to flush the system first? I've been using the bmw branded coolant.

If you want you can no need to flush it. since you’ve been using BMW coolant, it should be the same blue color as well.

Peak Oet Extended Life Blue Concentrate Antifreeze Coolant For European

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COP 1308338

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Description

1 GALLON ENGINE ANTIFREEZE/COOLANT: Fully compatible with other extended life antifreeze/coolants. This item contains a bittering agent called Denatonium Benzoate.
PROTECTS: Advanced formulation prevents rust & corrosion protecting all cooling system components
DESIGNED FOR EUROPEAN VEHICLES: Recommended for use with BMW, Jaguar, Volvo, and other European vehicles that require a BLUE Silicate-Enhanced Hybrid Organic Acid Technology (Si-HOAT) formula
GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.
CONCENTRATED FORMULA: Ideal for flushing, filling, or topping off your cooling system

PEAK Original Equipment Technology Extended Life Blue Concentrate Antifreeze + Coolant for European vehicles is a line of premium coolants specifically designed to match the technology and color requirements of European vehicles and is formulated with the same corrosion inhibitor technology that protected your vehicle straight from the factory. PEAK OET European Blue Extended Life Antifreeze + Coolant formula is based on proprietary silicate-enhanced hybrid organic acid technology (Si-HOAT), and is specifically designed to provide protection of your vehicle’s engine cooling system metals against damaging rust and corrosion. It is compatible with other blue Si-HOAT formulations and is perfect for flushing, filling, or topping off your cooling system. This item contains a bittering agent called Denatonium Benzoate. This 1 gallon bottle is recommended for use with European cars and trucks requiring an Blue Si-HOAT formula, including: Pre-1996 Audi, BMW vehicles, Dodge Sprinter, Pre-2006 Fiat/Alfa Romeo, Pre-1997 Jaguar, 1990-2005 Land Rover V8 & deisel, Pre-2014 Mercedes-Benz, all gasoline Mini vehicles, Pre-1996 Porche, Pre-2000 Saab, Pre-2015 Volvo, Pre-1996 VW and other European vehicles requiring a blue coolant formulation. When installed as part of a complete flush and coolant fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years. Review: Yes - Good quality coolant Review: Appropriate for BMW - Used in my BMW with confidence. Price is right.

Reviews

G**K

Yes

Good quality coolant

17.05.2026

D**M

Appropriate for BMW

Used in my BMW with confidence. Price is right.

31.05.2026

H**O

Excellent coolant!!

I bought the concentrate to top off my reservoir in my 2007 Mercedes. I have used this product in my GM vehicles and has outstanding results. The brand doesn’t disappoint in the Mercedes either. This coolant actually keeps engine temperatures low….cooler running engine is a great thing IMO. Fast shipping and very fair pricing despite tariff environment.

9.10.2025

A**A

cooling system hasn't exploded!

price is better than bmw oem. other than that, not sure how to rate such things, how will i know how well it works unless my cooling system explodes?

3.06.2026

A**R

Save a trip to the dealership.

It does what it’s supposed to do. Not much more to say.

9.06.2026

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COP 1308338

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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ASIN	B08PMZH5ZC
Best Sellers Rank	#2,976 in Automotive ( See Top 100 in Automotive ) #21 in Antifreezes & Coolants
Brand	PEAK
Customer Reviews	4.7 4.7 out of 5 stars (2,349)
Date First Available	December 3, 2020
Item Weight	9.77 pounds
Manufacturer	PEAK
Manufacturer Part Number	PEB0B3-01
Package Dimensions	11.77 x 7.52 x 3.94 inches

PEAK OET Extended Life Blue Concentrate Antifreeze/Coolant for European Vehicles, 1 Gal.

Description

Specifications

Reviews

Common Questions