Many drivers believe they must use a franchised main dealer for servicing to keep their car warranty valid — but this is a common myth. The Block Exemption Regulation gives you the legal right to have your car serviced or repaired at any qualified independent garage without affecting your manufacturer warranty. Understanding this regulation can save you hundreds of pounds every year.
What Is the Block Exemption Regulation?
The Block Exemption Regulation (BER) is a set of competition rules that governs the sale and servicing of motor vehicles in the UK and EU. For consumers, the most important provision is that a manufacturer cannot void your warranty simply because you used an independent garage for servicing or repairs, provided certain conditions are met.
This has been UK law since the EU Block Exemption Regulation came into force, and the UK retained these protections after leaving the EU. Dealers sometimes imply or state outright that using any garage other than their own will void your warranty — this is legally incorrect and, where false, potentially a breach of consumer protection regulations.
Conditions That Must Be Met
To maintain your warranty when using an independent garage, three conditions must be satisfied:
- Manufacturer-approved parts and fluids: The garage must use parts and fluids that meet the manufacturer's specification. This does not mean they must be genuine branded parts — quality aftermarket parts that meet the OE specification are acceptable.
- Correct service schedule: The service must follow the manufacturer's recommended schedule and cover all required checks and replacements for the relevant service interval.
- A proper service record: The service must be properly documented — either in a stamped physical service book or as a digital service record. Keep all invoices and any record of the parts used.
If these conditions are met, the manufacturer has no legal grounds to invalidate your warranty based on which garage carried out the work.
What Proof Should You Keep?
Documentation is your protection if a manufacturer or dealer ever challenges whether a service was carried out correctly. After each service at an independent garage, ensure you obtain and retain:
- A full itemised invoice showing the date, mileage, all work completed, and parts used with part numbers where possible
- A stamp in your service book (or confirmation of a digital record update)
- Evidence that approved-specification oil and fluids were used (the garage should be able to specify these on request)
Store these documents with your vehicle history. If you sell the car, a full documented independent service history is nearly as valuable as a main dealer history for most buyers.
When the Block Exemption Does Not Protect You
There are some situations where using an independent garage may still affect your warranty:
- Software updates and recalls: Some warranty-covered software updates or safety recalls can only be carried out by authorised dealers using manufacturer-specific diagnostic equipment. Independent garages may not have access to these systems.
- Specialist or performance variants: Manufacturers of high-performance or prestige vehicles sometimes include conditions requiring dealer servicing. Read your warranty terms carefully.
- Extended dealer warranties: A warranty sold by the dealer as an extra (not the standard manufacturer warranty) may include dealer-only servicing requirements. Check the small print.
In all cases, read your warranty documentation carefully. If a dealer claims your warranty has been voided due to independent servicing, ask them to cite the specific clause and take independent advice if you believe the claim is unfounded.