Metric Mechanic Engine Heads

4 Cylinder - M10

2002, 320i, 318i ≥’85
ItemPriceCore Deposit
Sport Head$2,295$300
Race Head$2,795-2,995$300
Stock Head$1,795$300

6 Cylinder - M30

3.0cs, Bavaria, 5, 6, & 7 Series ≥’93
ItemPriceCore Deposit
Sport Head$2,695$500
Stock Head$2,195$500

Baby Six - M20

325i/e, 528e, 525i ≥’91
ItemPriceCore Deposit
Sport Head$2,495$500
Rally Head$2,695$500
Stock Head$1,995$500

M3 - S14

M3 ’88-’91
ItemPriceCore Deposit
Sport Head (29.5mm Ports)$2,295Core*
- Options: Adjusting Shim Pads$400
Rally Head (31mm Ports)$2,495Core*
- Options: Rally Camshaft$750
- Options: Clearance Cam Box for Rally Cam$150
- Options: Adjusting Shim Pads$400
- Options: EVO Intake Gaskets$220
- Options: Ported Intake Manifolds$600
Race Head (31mm Ports)$2,495Core*
- Options: Race Camshafts (2)$1,500
- Options: Clearance Cam Box for Race Cam$150
- Options: Adjusting Shim Pads$400
- Options: EVO Intake Gaskets$220
- Options: Ported Intake Manifolds/Throttle Body$850
Stock Head$1,995Core*
- Options: Adjusting Shim Pads$400

M5 & M6 - S38 / S88

M5 & M6 ’85-’93
ItemPriceCore Deposit
Sport Head, 29.5mm Ports$2,995Core*
- Options: Adjusting Shim Pads$500
Rally Head (31mm Ports)$3,295Core*
- Options: Rally Camshaft$1,000$500
- Options: Clearance Cam Box for Rally Cam$200
- Options: Adjusting Shim Pads$500
- Options: Ported Intake Manifolds$900
Stock Head$2,295Core*
- Options: Adjusting Shim Pads$500

M42 & M44 Engines

M42: (E30 ‘90-’91), (E36 ‘92-’95), (Z3 ‘95), M44: (E36/5 318ti ‘96-’98), (E36 318i ‘96-’98), (Z3 ‘96-’98)
ItemPriceCore Deposit
Sport or Rally Head, M42$1,795$750
Head Upgrade, from 7mm to 6mm Valvetrain$350
Rally Head (31mm Ports)$1,995$750

M50/M50tu/S50/S52/M52/M52tu/M54

M50 Non-Vanos: 325i, 525i ‘91-’92
M50tu: 325i, 525i ‘93-’95
M52: 328i, 528i ‘96-’97
M52tu: 232i, 328i, 528i, Z3 2.3 & 2.8 ‘99 -’2000
M54: 325i, 230i ‘01-’06
S50: M3 ‘95
S52: M3 ‘96-’99
ItemPriceCore Deposit
Sport or Rally Head$1,795$1,000
Includes 6% Flow Increase,
Surface Turbulence Valves,
Manganese Valve Guides,
MM “Bee HIve” Valve Springs & Lightweight Retainers
Stock Head$2,195
Stock Head: cleaned, glass beaded, 3 angle valve job,
reconditioned valves, manganese bronze valve guides, “Bee Hive” valve springs, & retainers