Jump to content
  • When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

E30 radiator drain plug clip??


PhilC

Recommended Posts

It’s absolutely lashing it down today so I have been doing some tidying in the garage.

I noticed what appeared to be coolant leaking from the drain plug on the radiator. I have literally just changed the coolant and obviously pulled the drain plug to do this. Now, while feeling under the plug this little insert clip came out in my hand. What is it for and what is it called? Is it necessary?

CBA8DF0F-4CCA-4727-A4EC-C007152F50E2.thumb.jpeg.5a01bc1ebe80041a15f7e0233d177826.jpeg

It comes out of where the coolant drip is. The double O rings on the plug will be further into the radiator than the slot is so I am assuming that they stop the coolant coming out and the little clip thing has another purpose?

323FFF91-ED54-4C01-A6A0-EDE994A29908.thumb.jpeg.b5e11a95158766e17f9a3da8457aeb2d.jpeg

Im going to order a new plug which I hope will solve the leak (the old one was pretty ropey to be honest) but I need to know what the clip is for.

TIA

Phil

1975 1602 with an M42 engine.

Project thread http://www.02forum.co.uk/viewtopic.php?f=11&t=14853#p107713

Link to comment
Share on other sites

It’s a seam. The coolant is coming out of the hole where the little clip goes. However, I suspect that the fluid is leaking as the seal on the drain plug is bad. The seals go way past where the hole is as you can see by the pic below.

5567DA17-268A-493D-9625-0106B40FCF3E.thumb.jpeg.03acf0d5b3ebef14adf3ee24cc1cc803.jpeg

It seems to be a common issue, quickly followed by the drain plug getting stuck in the rad so Inhave that to look forward to. A new rad is £64.

None of this tells me what the little plug is for though 😔

Phil

1975 1602 with an M42 engine.

Project thread http://www.02forum.co.uk/viewtopic.php?f=11&t=14853#p107713

Link to comment
Share on other sites

  • 2 weeks later...

Well I’m no closer to knowing what the little clip is for but the new drain plug is in and the leak appears to have ceased. The plug was indeed missing one of its o rings.

AA698C72-5F74-4AB4-9525-9E0033F28453.thumb.jpeg.e232c98eef6b346154a2539f586b6a18.jpeg

I’m not entirely sure of the point of the plug is, it is far far easier to drain the system by removing the bottom hose. Less likelihood of damaging the plug too 😀

  • Like 1

Phil

1975 1602 with an M42 engine.

Project thread http://www.02forum.co.uk/viewtopic.php?f=11&t=14853#p107713

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
  • BMW Neue Klasse - a birth of a Sports Sedan

    BMW Neue Klasse - a birth of a Sports Sedan

    Unveiling of the Neue Klasse Unveiled in 1961, BMW 1500 sedan was a revolutionary concept at the outset of the '60s. No tail fins or chrome fountains. Instead, what you got was understated and elegant, in a modern sense, exciting to drive as nearly any sports car, and yet still comfortable for four.   The elegant little sedan was an instant sensation. In the 1500, BMW not only found the long-term solution to its dire business straits but, more importantly, created an entirely new
    History of the BMW 2002 and the 02 Series

    History of the BMW 2002 and the 02 Series

    In 1966, BMW was practically unknown in the US unless you were a touring motorcycle enthusiast or had seen an Isetta given away on a quiz show.  BMW’s sales in the US that year were just 1253 cars.  Then BMW 1600-2 came to America’s shores, tripling US sales to 4564 the following year, boosted by favorable articles in the Buff Books. Car and Driver called it “the best $2500 sedan anywhere.”  Road & Track’s road test was equally enthusiastic.  Then, BMW took a cue from American manufacturers,
    The BMW 2002 Production Run

    The BMW 2002 Production Run

    BMW 02 series are like the original Volkswagen Beetles in one way (besides both being German classic cars)—throughout their long production, they all essentially look alike—at least to the uninitiated:  small, boxy, rear-wheel drive, two-door sedan.  Aficionados know better.   Not only were there three other body styles—none, unfortunately, exported to the US—but there were some significant visual and mechanical changes over their eleven-year production run.   I’ve extracted t
  • Upcoming Events

  • Supporting Vendors

×
×
  • Create New...