I only had a few minor complaints. If you look in the Wildwood section in this forum you can find the 356qbq threads. The Dometic 300 toilets were replaced within the first week due to one of them failing and holding water. Replaced with no issue from Dometic and upgraded to the 310 model (both bathrooms) and no problems since. The front sewer handles were backwards, labeled right on exterior but handles were mixed up, found out quickly, lol. Dealer fixed that. The only other issue mine had was the left taillight was screwy. Turns out someone forced the bulb in backwards and was drawing weird current and dimming all lights when brakes applied. I bought and replaced the whole housing with LED because I wanted them. So that was fixed. Other than that, if highly suggest using BAL lock-arms or JT strong arms to reduce front sway when landing gear is down. I use the BAL and what a difference in the reduction of movement while setup. It's a great trailer, purchased mine in 6/2013. We have 2 kids, 3/6 year old. They love the bedrooms and the separate bath is really nice. Plenty of space with the opposing slides. We had several trips last summer with 8 people, 4 kids and 4 adults total and wasn't bad at all. Kids are already itching to go this year if winter decides to stop. Just do a thorough PDI, check on those minor issues before you take it home. Every HG 356qbq I've found had the same except the taillight issue. Enjoy the new 5er. Sorry this was a long post.
2016 Forester 3171DS Class C Motorhome
2016 Jeep Wrangler Unlimited Sport - Toad
1993 Mustang 5.0 Notch 5-speed