Rear Floor & Rails for 2018 BMW 540i
No.
Part # / Description / Price
Price
2
Inner Rail 
BMW
BMW Positions: Left
Notes: PARTS: Part included with rear rail assembly.
Description: Rail assembly.
2
Inner Rail BMW
BMW Positions: Right
Notes: PARTS: Part included with rear rail assembly.
Description: Rail assembly.
3
Side Extension BMW
BMW Positions: Left
Notes: PARTS: Part included with inner rail.
Description: Floor & crossmembers. With touring, rail assembly.
MSRP $34.44
$25.94
MSRP $34.44
$25.94
3
Side Extension BMW
BMW Positions: Right
Notes: PARTS: Part included with inner rail.
Description: Floor & crossmembers. With touring, rail assembly.
MSRP $34.44
$25.94
MSRP $34.44
$25.94
4
Lower Extension BMW
BMW Positions: Left
Notes: PARTS: Part included with inner rail.
Description: Rail assembly.
4
Lower Extension BMW
BMW Positions: Right
Notes: PARTS: Part included with inner rail.
Description: Rail assembly.
5
Lower Extension Bracket BMW
BMW Positions: Left
Notes: PARTS: Part included with lower extension.
Description: Rail assembly. Floor & crossmembers.
MSRP $103.59
$85.20
MSRP $103.59
$85.20
5
Lower Extension Bracket BMW
BMW Positions: Right
Notes: PARTS: Part included with lower extension.
Description: Rail assembly. Floor & crossmembers.
MSRP $103.59
$85.20
MSRP $103.59
$85.20
6
Rear Floor Pan BMW
BMW Notes: PARTS: Part included with rear rail assembly.
Description: Coupe, rail assembly.
MSRP $469.53
$338.42
MSRP $469.53
$338.42
8
MSRP $112.65
$82.06
9
MSRP $327.21
$266.27
10
Rear Extension BMW
BMW Positions: Right
Notes: PARTS: Part included with outer rail.
Description: Without touring, rail assembly. Outer.
10
Rear Extension BMW
BMW Positions: Left
Notes: PARTS: Part included with outer rail.
Description: Without touring, rail assembly. Outer.
No.
Part # / Description / Price
Price
1
Floor Pan BMW
BMW Description: Coupe, floor & crossmembers. Without touring, floor & crossmembers. Without hybrid.
3
Lower Extension Bracket BMW
BMW Positions: Right
Description: Rail assembly. Floor & crossmembers.
MSRP $103.59
$85.20
MSRP $103.59
$85.20
3
Lower Extension Bracket BMW
BMW Positions: Left
Description: Rail assembly. Floor & crossmembers.
MSRP $103.59
$85.20
MSRP $103.59
$85.20
4
Side Extension BMW
BMW Positions: Right
Description: Floor & crossmembers. With touring, rail assembly.
MSRP $34.44
$25.94
MSRP $34.44
$25.94
4
Side Extension BMW
BMW Positions: Left
Description: Floor & crossmembers. With touring, rail assembly.
MSRP $34.44
$25.94
MSRP $34.44
$25.94
6
Cross-Member BMW
BMW Description: Without touring, floor & crossmembers. With touring, floor & crossmembers, rear.
MSRP $109.81
$90.32
MSRP $109.81
$90.32
7
MSRP $243.92
$175.80
8
MSRP $442.92
$319.23
8
MSRP $438.63
$316.14
Related Parts
Part # / Description / Price
Price
Torsion Bar Bolt BMW
BMW Positions: Left
Description: Floor & crossmembers. Seat cushion.
MSRP $8.02
$7.03
MSRP $8.02
$7.03