Quote:
Originally Posted by cn90
- In the E39 forum, Behr lasts about 1yr than blew up. Aftermarket is even worse.
- Stick to BMW OEM reservoir, it costs a bit more but it protects the most-expensive part: the engine.
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I can quote this.... my original one blew after 11 years and 90.000miles. I bought a Behr thinking it would be the same quality... I compared the OE-broken one to the Behr and if I would have had a choice, I would have sent the Behr back immediately.
Long story short. The Behr is much lighter then the OE one = probably a lot less stable and long lasting. Wall thickness is thinner for sure!
I've used it now for a year and it developed a leak at the bottom seal recently. I replaced the seal with a new O-ring (the stock one was a rubber band) and I'm good now...but I'm waiting for the tank to fall apart over the next couple of years.
Sincerly I've had so many problems using aftermarket parts over the last years, that I'm really thinking of sticking to OEM parts...