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Old 04-08-2019, 09:47 AM
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Aftermarket Timing Chain Tensioner -What is this part?

Hi all,

I just recently acquired a 2001 X5 4.4 and am in the process of getting it road ready. As part of preventative maintenance I bought a replacement timing chain tensioner, It came without the sealing crush washer, but did come with a much smaller aluminum washer pictured here.

Anyone know where does it go? Or is it some Chinese mistake?

Thanks
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Old 04-08-2019, 12:36 PM
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I'm betting on door number two. I only recall one washer for that part


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Old 04-08-2019, 12:47 PM
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Thanks Andrew, It's usually not a good sign to have left over parts, but I am hoping it's just a fluke. Definitely was too small to fit on the screw cap or other end.

I probably should have bought OEM, but I thought this part is too simple for anyone to mess up.
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Old 04-08-2019, 12:58 PM
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the part # for the 'gasket ring' is: 07119963355

actually the part is not as simple as it seems it's like an hydraulic lifter; using oil pressure to push the chain tight. That means tight tolerances are required to do the job properly, it's and specifically on the M62 which will eat the chain guides 'like clockwork' about 160,000 miles, i would recommend OEM but not necessarily bmw stamp on the part.
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Old 04-08-2019, 04:34 PM
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Quote:
Originally Posted by andrewwynn View Post


the part # for the 'gasket ring' is: 07119963355

actually the part is not as simple as it seems it's like an hydraulic lifter; using oil pressure to push the chain tight. That means tight tolerances are required to do the job properly, it's and specifically on the M62 which will eat the chain guides 'like clockwork' about 160,000 miles, i would recommend OEM but not necessarily bmw stamp on the part.
I know. It actually is not part #20--it is nowhere near large enough to fit over the threaded cap. It is small enough to fit inside the screw cap.

I was worried it is an internal piece of the tensioner ?
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Old 04-08-2019, 06:27 PM
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Yep I know but you said it did not have the gasket so I think somebody grabbed the wrong size and sent with your part.
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Old 04-09-2019, 12:29 AM
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Check this page - it shows where the sealing ring (#2) goes....

https://www.newtis.info/tisv2/a/en/e...mshaft/AqgCmMj



Arrangement of Components:

(1) Screw plug
(2) Sealing ring
(3) Sleeve
(4) Recoil spring
(5) Hydraulic piston
Tapered end of recoil spring (4) faces hydraulic piston (5).

*edit* alu gasket should be 22mm x 27mm....

HTH...
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