So I bought a 328is to convert into a racecar and my Audi S4 won't cut it for towing. Found a 2006 X5 4.8is with 100,100kms for $18k.



Its a decent deal, but it has some problems which brought the price down and I purchased it as-is from a dealer. The managers were getting pretty flustered the more stuff I found and offered less and less.

• Sunroof doesn't open or even action the cover back,
• parking sensors do not work,
• the LP line on the power steering pump is leaking,
• there is a permanently mounted battery charger in the engine compartment.
• This makes me think it has drain issues.
• The all seasons that are on it are like iceskates.

How much of a headache will those things be to fix? Any special tools I should buy? Whats the best electronic interface to buy to monitor / modify the systems on the X?