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This video is a fantastic display of car engineering. A very expensive BMW is repaired in minimum cost. The problem is with this 2002, BMW 745. It has developed a coolant leak. The part is very expensive. The coolant leak is form a sealing side. If you take it to an authorized BMW service station, this part will cost between 7,000 to 9,000 dollars. This is a big sum. All German Auto has designed and developed a part, which can fix this issue and can save you a lot of money. This job at All German Auto costs only 1,600 dollars.

The problem with this 2002, 745 BMW and the problem is it’s developed a coolant leak. Is a very expensive coolant leak form a sealing side. It’s going to cost between 7 and 9000 dollars and what we’ve done is we have made a fix for that where we can save you a lot of money. To do this job out of the door at All German Auto is 1600.

So here on the engine, we have the integ manifold move so we can show you what’s going on. What’s happening is, in order to get to the seal, you first remove the water pump out of the car and then you remove the value cam they call it, which is a cover that sits in the center of the engine. Under here, is where the real problem lies. They have this long tube to transitions through the motor from the front cover to the back cover that transports the coolant from the water pump and the seal sits molded on to this transfer tube right here and under normal circumstances, it can be removed without disassembling the entire engine. You have to pull both valve covers, both timing covers then the a.. the chain and sprockets and all the timing gears in the engine which is very time consuming, and then the front cover off to get access to this area where the seal sits.

n.. and I have here a… a BMW factory tube and you can see how it has this rubber seal that is vulcanized on to the part, so you can not be removed and under normal circumstances you’ll have all these parts off and you’ll slide this tube in from the front of the engine and into the housing like this and then reassemble everything around it. So, to remove this tube, you cut it while it’s in the engine. And then we drill a hole in the tube that we later on use to extract it. Then we take this rear section of the coolant pipe out of the car and we use this very special tool, which is a blogger wood and a screw driver and we insert it like this and we use the levers of the screw driver to pry this tube out of the front chamber like that. This is the tube that we removed from the front and inside the front housing, with the little a.. hook tool. You remove the factory seal, like this. So, you can install a new one.

So, here you can see the center of the whole matter. This seal, which is vulcanized on to the tube has a.. failed. You can see, how the corrosion right here, has transferred back and it starting to go underneath this seal. And this could be from lack of coolant changes or just time, you know this seal’s been sitting inside the motor for hundred and thousand miles and corrosion and heat takes place and it eventually fails over time.

And so, here it is, like it’s installed in the car. The rear section, the front section and the seal is normally vulcanized on like you see it right here and a factory part. So, here is the trick in order to save a.. 60 some hours of labor and not having to completely disassemble the engine and pull everything apart and still want to hits off and this and that.

a… We have a.. designed and made with company we use called —- Enterprises. This tube, that is a collapsing tube, that can expand and then thread into place to provide tension on the front seal and the back seal, and take the place of this factory unit right here, but it is replaceable without having to take the entire engine apart.

So, here we have a special seal that we have made, we had a mould, designed and manufactured so we could make just this one seal. It’s made out of a different material, it’s called white iron. It’s a lot more resilient to corrosion, heat and it doesn’t harden up over time.

So this seal, we simply lubricate it. Take a little bit of grease on it like that. And then we install it into the front housing where the old seal came out off. Like that.

And so, when the seal is in, a.. we take this tube collapse it all the way, install it into the front housing and the back housing. Expand the tube and then start threading it into a.. place, until we have add a compressor on this back oaring that’s going to be — and hold a.. compression on whole tube so it can move, a.. when you use the car. That is really all there is to it.

So this part takes us repair from a 7 to 9,000 dollar repair and brings it down to around 1600, plus you avoid all the downtime with the car which 2 to 3 weeks in normal circumstances. You know, one day you’re back running and we give it a warranty of 12,000 and a.. one year on this car like we do all other ones. See, this is just one of many products that All German Auto makes to save the customers money and keeping their German cars running!

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