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What's the view on diesel tuning chips claiming improved efficiency?

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  • vikingaero
    vikingaero Posts: 10,920 Forumite
    Part of the Furniture 10,000 Posts Combo Breaker
    The main reasons manufacturers don't generally do it is emissions and then reliability. Emissions are the key, especially on a fleet repmobile, as the wrong % CO2 can hurt sales not only due to emissions but company car tax.

    If you must remap then a tuning box seems the sensible way to go. You can unplug it for servicing and it won't get wiped by a dealer.

    Insurance is a small issue for most people in their 30s upwards. If you can afford the tuning box you can afford to pay a few quid for the increased premium. Just don't forget to tell your insurers - if you're lying in hospital with no way of removing a tuning box and the assessor turns up then you could get refused cover for replacing/repairing your car.
    The man without a signature.
  • What a lot of people forget that chipping the engine will increase insurance premiums

    I never bothered telling my ins company. Neither did the guy who I sold the Audi too.
  • vikingaero wrote: »
    The main reasons manufacturers don't generally do it is emissions and then reliability. Emissions are the key, especially on a fleet repmobile, as the wrong % CO2 can hurt sales not only due to emissions but company car tax.

    If you must remap then a tuning box seems the sensible way to go. You can unplug it for servicing and it won't get wiped by a dealer.

    Insurance is a small issue for most people in their 30s upwards. If you can afford the tuning box you can afford to pay a few quid for the increased premium. Just don't forget to tell your insurers - if you're lying in hospital with no way of removing a tuning box and the assessor turns up then you could get refused cover for replacing/repairing your car.

    A very sensible post with good advice :T
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