Britax Römer Car Seats, Dualfix Z Line, I-Size, 360 Spin/Swivel/Rotation, Isofix Car Seat, from 3 Months to 4 Years Old/Child from 61-105 cm (Group 0 + / 1) Midnight Grey, 1…

Rated 4.54 out of 5 based on 13 customer ratings
(13 customer reviews)

Buying Options

Britax Römer Car Seats, Dualfix Z Line, I-Size, 360 Spin/Swivel/Rotation, Isofix Car Seat, from 3 Months to 4 Years Old/Child from 61-105 cm (Group 0 + / 1)...
£345.14
in stock
Amazon.co.uk
Amazon price updated: July 18, 2025 4:32 pm
I may earn a commission at no cost to you
Highest Price
£350.00 Amazon.co.uk
July 15, 2025
Lowest Price
£345.14 Amazon.co.uk
July 18, 2025
Current Price
£345.14 Amazon.co.uk
July 18, 2025
Since July 15, 2025
I may earn a commission at no cost to you
Last updated on July 18, 2025 4:32 pm
  • 360 spin rotation, turn to the car door to easily place and harness child in seat, Extended Reward facing (approx 3 months to 4 years) and forward facing (15 months to 4 years approx)
  • Easy installation – Isofix and support leg fitting and Adjustable rebound bar to get the best fit to vehicle seat and gives your child 10% of additional leg space
  • Easy adjustable, multiple recline positions reward and forward facing for comfort of child
  • Deep protective side wings for comfort and helps to absorb force from side impact reducing risk to your child
  • Meets highest safety standards – approved to new I-Size standard
  • Quick removable and machine washable seat cover
Model Number

Product Dimensions

,

Item model number

Maximum Weight Recommendation

Minimum Height Recommendation

‎61 Centimetres

Maximum Height Recommendation

Material Type

Material composition

care instructions

,

Additional product features

Batteries required

‎No

Orientation

Rear-facing minimum child weight

Rear-facing maximum child weight

Forward-facing maximum child weight

‎18 Kilograms

Harness type

Item Weight

Date First Available

13 reviews for Britax Römer Car Seats, Dualfix Z Line, I-Size, 360 Spin/Swivel/Rotation, Isofix Car Seat, from 3 Months to 4 Years Old/Child from 61-105 cm (Group 0 + / 1) Midnight Grey, 1…

  1. Rated 5 out of 5

    hfffoman

    This is a model specially made for Amazon that differs from the standard one in not having the SICT insert (Side Impact Cushion Technology). It is nevertheless a heavy duty item well designed for safey with a neat ability to swivel 360 degrees and a slope which transfers some of the force downwards. It’s easy and convenient to use and nicely padded and I don’t think you’d be disappointed with it unless you are set on the SICT.

    Please be aware I haven’t compared it with the competition so can’t comment on the value for money. There seem to be a lot of cheaper seats on the market but I suspect these aren’t so heavy duty and some are use belt fastening which is flimsier than the Isofix in the Britax.

  2. Rated 5 out of 5

    lex

    Kaliteli

  3. Rated 5 out of 5

    Stephanie

    Wir haben bereits den 2. gekauft, da wir ein zweites Kind erwarten. Der Sitz ist super!

  4. Rated 5 out of 5

    Amazon Customer

    This car seat is fantastic. My child hated her previous car seat but this has different reclining positions to suit. It is very heavy and sturdy. Once in a car, this is difficult to move to another vehicle as it is so heavy. It is pricey but it is worth the investment as it will last until approx 4 years old. It does take up a lot of room in the car and also if it is in the full recline position and the child as still rear facing then your front seat does need to be pushed quite far forward. Overall, I would recommend this and feel it is a high quality product.

  5. Rated 5 out of 5

    Jony FB

    La silla es muy cómoda para los pekes

  6. Rated 5 out of 5

    J-Mac

    A fantastic baby car seat, which offers top quality protection for your child. Placed front or back, it has padding around every section, covering your child should you car be hit. The stand locks it in place and keeps it secure. Comfortable for your child to sit in, with straps that offer full body protection. It really is a very good product, and it’s no wonder this company have been going since 1966.

  7. Rated 5 out of 5

    Gianpaolo

    Sono passati 2 anni fa quando l’ho acquistato e posso dire che è il migliore, il bambino sta comodissimo ed è molto stabile. Consigliatissimo.

  8. Rated 5 out of 5

    Jon

    We have a currently seat similar to this so knew what to expect in terms of size and form. Firstly it is big and heavy to move around so those with 3 door cars may find this even more of challenge to fit than those with 5 door cars as the base and base support is all attached to the chair. That said due to this the fit and sturdiness of the seat is brilliant. It even has a bit that pushed back into the car seat for that extra security. Something which our current Iso Fix seat didn’t have.
    Another bonus we found to this one is that the recline function is available to you whether you have the seat facing forward or backwards. Our Joie seat can only recline in the backwards facing position. The reason for this is that the base on this is quite a bit larger so keeps the seat distanced from the car seat in every position meaning your little one will also have more leg room. Please bare in mind this is quite a big seat, check it will fit in your car before you buy it. For reference it JUST about fits in our BMW 1 Series (2017 model) and Peugeot 208 (same year). Last note on a great feature, the swivel button is right on the side of the base making it really easy to activate when getting in and out of the car, something I wish our Joie seat has rather than having to force my hand between the car seat and child seat!

    Overall though given the cost, security and easy of use of it’s features I would definitely recommend!

  9. Rated 1 out of 5

    Sourav Ray

    Why would they design a product “exclusive” to Amazon and leave out a key safety feature in side impact collision is beyond my comprehension. And you have to sift through questions asked by customers to figure that out. For a product that’s priced at the premium end of the market it’s pathetic that they decide to omit this. Maxi Cosi car seats have this as a standard feature. Returned as soon as I figured this out.

  10. Rated 5 out of 5

    TheUnexpectedItem

    The swivel is such a good design I’m surprised that I’ve never seen one like this before. Easy to use and it really saves your back when putting kids in and out of the car. Especially in a small car you usually find yourself twisting and contorting yourself while lifting them in and doing the straps up in a permanently front-facing seat.

    The only real downside is that it’s EXTREMELY heavy, even compared to other car seats I’d have previously considered pretty weighty. The courier struggled to lift it into my house, so I’d assumed it had a load of extra packaging, but it was just the chair in a thin cardboard box!

    The weight is not such an issue if you’re only fitting it into your car once where it’ll stay but not ideal if you want to frequently put it in and take it out.

    The slightly larger size does mean that it encroaches a bit on the seat next to it in the car, but only an issue if you have an adult sat in the seat next to it, which we never do.

    The seat itself is popular with the kids in my family, who are now 2 and 3 years old. They find it comfy for sitting and more often than not fall asleep if the journey is longer than 5-10 mins, which seems like a vote of confidence to me 😉

    Britax is a name we know and trust, and we are particularly impressed with this model. Not so keen on the colour (would prefer something like dark grey) but that’s hardly important when the function is so good!

  11. Rated 5 out of 5

    Loz W

    It weighed an absolute ton when I took delivery I literally had to push and slide it into the lounge..that said it was easy to fit and is sturdy and well worth paying that bit extra for. Loving the swivel as make life so much easier popping baby in he is happy as Larry in it and sleeps soundly..it will definitely fit up to a four year old so will get the years out of it that it states..defo recommend.

  12. Rated 5 out of 5

    Renato Salvatori

    Alles bestens 👍👍👍👍👍

  13. Rated 3 out of 5

    S. Dees

    Great looking seat, easy to fit with simple to use features. Weighs heavy with the box claiming 15kg.
    After fitting the seat I was unable to unlock the swivel action. The release buttons didn’t work and after an hour of trouble shooting I asked for help. After pushing the seat hard towards the front of the car the lock released and the swivel was freely moving. That was until a 10 minute drive locked it back into place and the same issue again. Easy return process with Amazon collecting the item. Just a shame they couldn’t send an exchange rather than having to order again and wait for a refund. Will give the new seat another chance as it’s a great looking item with good reviews.

Add a review

Your email address will not be published. Required fields are marked *

ℹ️ Customer reviews are sourced from third-party websites. We cannot guarantee their authenticity or accuracy. ×