Yes it is. Get a new set (preferably with an IWIS pro series chain) and be done with it.
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Germany
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I've been gathering parts to do the timing chain on my 2012 CTT. I bought it with a reduced engine power warning but was originally told it was just a variable valve solenoid. Thankfully I did some research and learned that you can see part of the upper timing chain guide through the oil fill cap hole. Mine is missing the plastic lining on the upper chain guide so a timing chain service is needed.
A preventative chain job on a RWD N47 is closer to 1200 quid (using a genuine IWIS kit) not 4k. It is relatively cheap long term security if you plan on keeping the car.
The only better chain is made by Iwis, in Germany. Excellent chain.
6k in parts for a timing chain alone?
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Owner reviews of IWIS products
The IWIS brand is registered in Germany. Official website: https://www.iwis.com/en-gb .
In March 2026, PartReview recorded 5 reviews across 2 parts by IWIS. Average rating — 4.6 out of 5.
IWIS is not yet in the PartReview manufacturers ranking due to insufficient reviews.
Popular IWIS parts
The most popular IWIS products on PartReview:
- Timing chain IWIS - 4 reviews. PR Score — not available yet, average rating — 4.2.
- Timing chain kit IWIS - 1 review. PR Score — not available yet, average rating — 5.
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