BMW
M340i / X3 M40i / X4 M40i G20 / G01 / G02
The B58. A valved catback is the whole upgrade path for most owners.
2 parts listed
D.R.P
Built for the M340i / X3 M40i / X4 M40i
Platform reference, not a fitment guarantee — year and facelift change what fits on several of these cars. Message us with your chassis and year and we'll confirm before you order.
Check your fitment
