How To Repair BMW Oil Cooler Line
BMW Oil Cooler Line Repair
Vehicle is a BMW 5 series E60 535xi, one of oil cooler lines failed, sending oil all over engine bay.
Instead of buying a new one (expensive), old oil cooler line was repaired. Repair was done by Nitroindustrial.com, on Jane Street just north of Langstaff. This is in Toronto but every major city should have similar facilities. Repair cost was at a fraction of price for a new line, with a sturdier high pressure hose.
Fittings were cut and welded to a new flexible metallic hose, very precise job and will probably outlast the car itself.
Removal is pretty much straightforward. Oil cooler line has two 6mm Allen bolts, one bolt is located on oil cooler housing. See red arrow image below.
Another oil cooler bolt is located close to radiator. Both bolts are easily accessible and can be removed with little effort.
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BMW Oil Cooler Line Removal
Remove oil line bolts and disconnect oil line. Installation is easy, reversal of removal but you need to use new O-rings gaskets, just to be on safe side.
Below is oil cooler line after installation, it looks good and its of high quality.
BMW Oil Cooler Line Repair: When one oil cooler line goes bad, chances are the other one is about to go too. Its a good idea not to wait for the other cooler line to start leaking but change or repair both lines at same time.
Details on oil change intervals and how to prevent engine sludge: Oil change Intervals.
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