Customers at GSF Car Parts London appreciate the helpful and supportive staff, with many highlighting exceptional service from individuals like Nimesh Kalyan and Ash. The click and collect service is also well-regarded for being free and efficient, unlike some competitors. Guests note the convenience of the location and the willingness of staff to go above and beyond, such as fitting windscreen wipers. However, there are occasional issues with pricing discrepancies and wait times, though these are often resolved by knowledgeable colleagues. Overall, the positive interactions and value for money make it a recommended destination for auto parts.