Filler-cap problem...

UK forum for general and technical discussion about the Z3 roadster

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Zed-dan
Joined: Sun 21 Sep, 2014 21:11
Posts: 37

  Z3 roadster 3.0i

Filler-cap problem...

Post by Zed-dan » Thu 18 Dec, 2014 19:06

Odd question, but when my Zed is locked, the fuel filler cap doesn't lock...

Help?
Not all those who wander are lost...

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'00 3.0i /Custom painted Side Gills/Style 78's

Brian4
Joined: Mon 19 Dec, 2011 19:02
Posts: 536

  Z3 roadster 3.0i
Location: Hinckley

Re: Filler-cap problem...

Post by Brian4 » Thu 18 Dec, 2014 20:03

It could just be that the little plunger that lock is sticking. Try locking the car with the cover open and you should see the plunger move. Not sure how you access it if you need to repair. Try some silicon lubricant spray and it might free off.
The alternative is the fuel cover is damaged and nothing for the plunger to locate into.

Diagram here
http://www.realoem.com/bmw/showparts.do ... g=41&fg=25
Brian
3.0I Topaz Blue


2000 E36/7 Z3 3.0i
2016 F31 335d
2015 F21 118i

Lexybhoy
Joined: Mon 17 Nov, 2014 14:49
Posts: 58

  Z3 roadster 2.8
Location: Glasgow

Re: Filler-cap problem...

Post by Lexybhoy » Thu 18 Dec, 2014 20:52

I assume it's only the facelift models that lock ????, as my pre-facelift 2.8 doesn't but does have a locking cap within the flap.
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pingu
Joined: Fri 30 Apr, 2004 17:01
Posts: 3337

  M roadster S50

Re: Filler-cap problem...

Post by pingu » Thu 18 Dec, 2014 21:16

Zed-dan wrote:Odd question, but when my Zed is locked, the fuel filler cap doesn't lock...

Help?
I assume you mean flap and not cap.

Did it ever lock? Do you have a key slot in the filler cap (not flap)?
Pingu

Rafolian
Joined: Wed 27 Feb, 2013 08:41
Posts: 547

  Z3 roadster 2.8

Re: Filler-cap problem...

Post by Rafolian » Fri 19 Dec, 2014 07:36

My pre- facelift 2.8 doesn't lock either!

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BladeRunner919
Joined: Fri 17 Feb, 2012 20:18
Posts: 2221

  Z3 roadster 1.9

Re: Filler-cap problem...

Post by BladeRunner919 » Fri 19 Dec, 2014 08:37

Z3 either have a flap which locks with the central locking, or a cap which locks with the key. If your cap locks, then the flap doesn't.

johnz3
Joined: Wed 13 Sep, 2006 11:27
Posts: 670

  Z3 roadster 3.0i
Location: Pitsea

Re: Filler-cap problem...

Post by johnz3 » Fri 19 Dec, 2014 11:35

My 3.0i sports cap locks when I lock the car

Zed-dan
Joined: Sun 21 Sep, 2014 21:11
Posts: 37

  Z3 roadster 3.0i

Re: Filler-cap problem...

Post by Zed-dan » Fri 19 Dec, 2014 11:44

Yes, i meant the flap. The cap has no keyhole and simply twists off.. when i lock the car with the flap open the locking plug? doesn't move. :/
Not all those who wander are lost...

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'00 3.0i /Custom painted Side Gills/Style 78's

Mike Fishwick
Joined: Fri 19 Jun, 2009 11:27
Posts: 1991

  Z3 roadster 2.8
Location: Daglan, France

Re: Filler-cap problem...

Post by Mike Fishwick » Fri 19 Dec, 2014 13:40

You are better off without a locking fuel flap - if the low life cannot easily open it to syphon your fuel they will use a crowbar - doing damage which costs a lot more than a few gallon of petrol! If they do not have a cowbar they often bash a hole in the fuel tank - and on a Z3 a new tank means the removal of the rear suspension . . .

Locking fuel flaps are just more junk which you do not need.
A Z3 is not just for Christmas - it's for life!

Brian4
Joined: Mon 19 Dec, 2011 19:02
Posts: 536

  Z3 roadster 3.0i
Location: Hinckley

Re: Filler-cap problem...

Post by Brian4 » Fri 19 Dec, 2014 20:25

Zed-dan only asked 'Odd question, but when my Zed is locked, the fuel filler cap doesn't lock...' so we were answering his question and not the morals of locking fuel flap/caps

Anti siphon filler pipes deter most thieves and getting under the car to bash a hole is a lot of trouble far easier to drill with modern cordless.

The z3 is not the only car to have the tank trapped by the subframe as the fuel tank is on of the first items fitted to a car body after the brake and fuel lines during production
Brian
3.0I Topaz Blue


2000 E36/7 Z3 3.0i
2016 F31 335d
2015 F21 118i

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pingu
Joined: Fri 30 Apr, 2004 17:01
Posts: 3337

  M roadster S50

Re: Filler-cap problem...

Post by pingu » Fri 19 Dec, 2014 22:45

The little pin could be broken, or the catch could be broken, or the electrics are duff. Personally, I would get a locking cap and not worry about the flap not locking.
Pingu

Cooper01
Joined: Tue 29 Apr, 2014 09:06
Posts: 152

  Z3 roadster 3.0i

Re: Filler-cap problem...

Post by Cooper01 » Mon 22 Dec, 2014 08:08

Have a look under the boot carpet {RHS} and ensure that the electrical connection is connected. When I bought my car someone had disconnected it, now it is working. Two months later another forum member had exactly the same problem and solution!

let us know how you progress.

Cooper

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Gazza
Site Admin
Joined: Tue 04 Oct, 2005 21:58
Posts: 9201

  M roadster S54
Location: East London/Essex

Re: Filler-cap problem...

Post by Gazza » Mon 22 Dec, 2014 18:30

Brian4 wrote:It could just be that the little plunger that lock is sticking. Try locking the car with the cover open and you should see the plunger move. Try some silicon lubricant spray and it might free off.
Diagram here
http://www.realoem.com/bmw/showparts.do ... g=41&fg=25

+1 on this
Gazza

"Understeer is when you hit the wall with the front of the car, oversteer is when you hit the wall with the rear of the car. Horsepower is how fast you hit the wall and torque is how far you take the wall with you"

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