Spark Plug and Ignition Coil Service for BMW E90 E92 E93 M3 S65 Engine

[Errata] Bank 1, consisting of cyl. 1-4, is on the RIGHT side.

DIY spark plug and ignition coil service for BMW E90 E92 E93 M3 S65 engine. This is a complete walkthrough for disassembling the cabin microfilter housing trim, the intake muffler and the service of spark plugs and ignition coils. Please pay extra attention to the specified tightening torque of the spark plug of S65 engines. It is 23±3 Nm. The aluminum alloy engine could get damaged if over tightening the plugs.

**Required Parts**
Spark Plug NGK LKR8AP
Ignition Coil 12 13 7 841 754

**Tools required**
6 mm socket (intake hose clamp)
8 mm socket (trims)
10 mm socket (intake muffler base)
16 mm magnetic long socket (spark plugs) universal joint for the sockets
socket wrench
extension rods
T25 Torx screwdriver (intake muffler lid)
Flat head screwdriver (to pry ignition coils)

**Chapters **
0:00 Opening
0:13 DIY Overview
—Disassembly—
1:03 Removing Air Intake and Cabin Filters
2:04 Removing Ignition Coils
3:32 Removing Spark Plugs
—Assembly—
5:19 Installing Spark Plugs
7:02 Installing Ignition Coils
11:40 Installing Air Intake
12:41 Installing Cabin Filters
—Summary—
16:44 Remarks

Camera/Music: Christy Hsu

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