Popular repairs
N20 timing chain replacement
N20 / N26 (2.0L turbo 4-cyl)Indie $2,375–$2,832Dealer $3,550–$5,000 8 sourced prices
B58 / B48 oil filter housing (coolant leak)
B58 (3.0L 6-cyl) and B46/B48 (2.0L 4-cyl)Indie $1,800–$3,300Dealer $2,825–$3,950 21 sourced prices
N55 oil filter housing gasket (OFHG)
N55 (3.0L turbo 6-cyl)Indie $648–$763 15 sourced pricesThin data
N55 valve cover / valve cover gasket (PCV)
N55 (3.0L turbo 6-cyl)Indie $930–$1,625Dealer $1,450–$2,076 14 sourced prices
B58 valve cover / PCV failure
B58 (3.0L 6-cyl); one B46/B48 point included and labeledDealer $3,049–$4,450 4 sourced pricesThin data
N52 / N54 / N55 electric water pump + thermostat
N52, N54, N55 (3.0L 6-cyl)8 sourced pricesThin data
N55 oil pan gasket
N55 (3.0L turbo 6-cyl)Indie $1,588–$1,900 7 sourced pricesThin data
VANOS solenoids (intake / exhaust)
N20, N52, N54, N55, B46/B48, B581 sourced pricesThin data
Front control arms / thrust arms (F30/F32 3 & 4 Series)
All F30/F31/F32/F34/F36 (chassis job, not engine-specific)2 sourced pricesThin data
N63 valve stem seals (oil burning / blue smoke)
N63 / N63TU (4.4L twin-turbo V8)6 sourced pricesThin data
N63 turbo coolant lines (coolant leak in the hot V)
N63 / N63TU (4.4L twin-turbo V8)Dealer $2,000–$3,202 9 sourced pricesThin data
N63 valve cover gaskets (both banks)
N63 / N63TU (4.4L twin-turbo V8)1 sourced pricesThin data
Engine mounts (F30 335i N55)
N55 (3.0L turbo 6-cyl), F30 335i RWD and xDrive3 sourced pricesThin data
B58 oil pump replacement
B58 (3.0L turbo 6-cyl), mainly 2019–2020 buildsIndie $2,865–$3,600 8 sourced pricesThin data
How it works
1. Every price is from a public owner post (Reddit, Bimmerpost, BimmerFest…) and links to it. 2. Fair ranges are the middle 50% of those prices, split by dealer and independent shop. 3. Owners submit what they paid, and the ranges get sharper every week.
Weekly: what BMW owners actually paid
New price reports, recalls and warranty extensions, once a week. Free.