The PatentedSTENTFIX Coolant Pipe Repair System is afast and lessexpensiveway to repair a Coolant Transfer Pipe leak in a BMW®N74 engine. This popular N74 V12 enginewas usedin BMW'sflagship760i (F01), 760Li (F02), 760Li high security(F03), M760Li xDrive (G12) and the BMW M760Li xDrive (G12 Facelift).
The Front Seal on this BMW®Coolant Transfer Pipe can fail in as little as 40,000 miles. The repair on this internal engine seal requires many hours of labor and can cost THOUSANDS OF DOLLARS!!!
A leakingFront Seal on a Coolant Transfer Pipe of the BMW®V-12 N74 engine is acommon problem that is very expensive to repair. Once the engine is installedin the vehicle, it is very expensive to remove the Timing Chain Cover,in order to be able toinstall a newfactory madeBMW®Coolant Transfer Pipe (aka BMW®Crossover Pipe) through the front of the engine.
A newmethod has developed, which involves accessing the N74 Coolant Transfer Pipe by removing the Intake Manifold.Once the Intake Manifold has been removed, then the old Coolant Transfer Pipe can be cut-out of the inside of the engine block, and a new"EXPANDABLECOOLANT TRANSFER PIPE"is installed in it's place. There are several companies who manufacture these N62 Expandable Coolant Transfer Pipes. This is the most commonly used method of repairing a leaking BMW®Coolant Transfer Pipe because it is cheaper and fasterto remove the Intake Manifold, than the originalfactory method of removing the N74 Timing Chain Cover.
The problem with both of these methods is that the Front Seal on both the factory installed Coolant Transfer Pipe, and the after-market "Expandable Transfer Pipe" could eventually LEAK AT THE SAME PLACE AGAIN in the future. The BimmerFix® Stent offers a MORE DURABLE METHOD of repairing a leaking Front Seal on a Coolant Transfer Pipe, that is also much less expensive to install. The seal created by the BimmerFix® Stent is more durable because it is made of high-strength aluminum alloy that is made of a similar alloy as the BMW® engine. The BimmerFix® Stent actually provides a METAL LINER and bonds to the Coolant Transfer and Timing Chain Cover, using the special high-temp BimmerFix® Coolant Pipe Sealant. This Sealant is able to be continuously immersed in antifreeze, and can withstand temperatures up to 500 degrees Celsius. . The labor to install the BimmerFix® Stent is only one hour more shop time than is required to replace the Water Pump. In fact, we recommend that a new Water Pump be installed when installing the BimmerFix® Stent. And, vise-versa, we recommend that a BimmerFix® Stent is installed in a vehicle when the Water Pump is being replaced. This is an inexpensive preventative measure which could help to prevent future failure of the Front Seal of the Coolant Transfer Pipe.
Reviews
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This BimmerFix in no way associated with BMW ® North America, LLC. BimmerFix® Products Company is in no way affiliated or owned by BMW ® USA and/or BMW ® AG. The BimmerFix® Coolant Pipe Repair System(TM) is protected by United States Patent US 10,240,513 B2 and US 11,112,051. All rights are reserved. BimmerFix® is a Registered Tradename with the United States Patent and Trademark Office
