Group 24 - Fuel System - Electronic Injection

Location	Description	Type	Basic value	Tolerance 1
Intake-air distributor to cylinder head	External Torx screw, M6 x 35	Tightening torque	13 Nm (9.5 ftlb.)
Clamp securing resonance tube	External Torx screw, M6 x 30	Tightening torque	3 Nm (2 ftlb.)
Line bracket to intake-air distributor	External Torx screw, M6 x 12	Tightening torque	13 Nm (9.5 ftlb.)
Vacuum unit to resonance tube	Self-tapping screw, internal Torx	Tightening torque	5 Nm (3.5 ftlb.)
Tank vent valve holder to intake-air distributor	External Torx screw, M6 x 12 (2x)	Tightening torque	13 Nm (9.5 ftlb.)
Intake manifold pressure sensor to intake-air distributor	Oval-head screw, 6.0 x 15	Tightening torque	3 Nm (2 ftlb.)
Throttle housing to intake-air distributor	External Torx screw, M6 x 50	Tightening torque	10 Nm (7.5 ftlb.)
Cable duct to intake-air distributor	External Torx screw, M6 x 16	Tightening torque	13 Nm (9.5 ftlb.)
Rubber shroud to throttle housing	Screw-type clamp	Tightening torque	3 Nm (2 ftlb.)
Air cleaner housing to body	Hexagon-head bolt with washer, M6 x 25	Tightening torque	7 Nm (5 ftlb.)
Air cleaner housing cover	Tapping screws	Tightening torque	3 Nm (2 ftlb.)
DME control unit holder to body	M6 collar nut	Tightening torque	9 Nm (6.5 ftlb.)
Oxygen sensors for pre-and post-catalytic converters	M18 x 1.5 thread - grease with Optimol Paste MF	Tightening torque	50 Nm (37 ftlb.)	+/-8 Nm (+/-6 ftlb.)
High-pressure pump to cylinder head	External Torx screw, M6 x 25	Initial tightening	7 Nm (5 ftlb.)
High-pressure pump to cylinder head	External Torx screw, M6 x 25	Final tightening torque angle	30°	+/-3°
Union nut for high-pressure line	Coat thread with OKS 1710 and leave to dry off	Tightening torque	25 Nm (19 ftlb.)
Fuel line holding clamp to holder	External Torx screw, M6 x 12	Tightening torque	10 Nm (7.5 ftlb.)
High-pressure sensor to fuel collection pipe	M10 - grease thread and cone with MicroGleitDF 977 S	Tightening torque	22 Nm (16 ftlb.)
Fuel collection pipe to cylinder head	External Torx screw, M6 x 16	Tightening torque	13 Nm (9.5 ftlb.)
Low-pressure fuel line holder to intake-air distributor	External Torx screw, M8 x 12	Tightening torque	12 Nm (9 ftlb.)
Holder for exhaust flap control valve to intake-air distributor	External Torx screw, M6 x 12	Tightening torque	13 Nm (9.5 ftlb.)
Holder for vacuum reservoir on cylinder bank 4-6	Cheese head bolt, M6 x 12	Tightening torque	10 Nm (7.5 ftlb.)
Secondary-air pump holder to intake-air distributor for bank 1-3	Screw, M6 x 16	Tightening torque	13 Nm (9.5 ftlb.)
Rear air guide to body	Hexagon nut, M6	Tightening torque	10 Nm (7.5 ftlb.)
Air guide to air cleaner housing	Screw-type clamp	Tightening torque	3 Nm (2 ftlb.)
Air guide in rear wheel housing	M6 screw	Tightening torque	10 Nm (7.5 ftlb.)
Connecting piece for air guide in side panel	Tapping screw	Tightening torque	3 Nm (2 ftlb.)