BMWAll steps released
BMW / E91 LCI / 320i / N43B20
Complete N43 minor service
N43 minor-service workflow covering the evidence-backed oil and filter service path plus validation steps.
Open guide →REPAIR GUIDES
Guides for BMW 320i
Start with the chassis and engine. See exactly what our workshop covers.
Confirm your exact vehicle.Check the guide’s applicability and safety information before you start.
COVERAGE FOR THIS MODEL NAME
Choose a guide vehicle.
A model name can span generations. WrenchGuide procedures use an exact chassis and engine context. Manufacturer references use catalogue listings and require a separate fitment check.
Browsing: BMW 320i · E91 LCI · N43B20. This selects guide content; it does not confirm your car’s fitment.
Browse all repair guides →Every step in these guides is released. Confirm vehicle applicability and read the safety checks before starting.
REPAIR GUIDES
9 guides
Showing guide content for BMW 320i · E91 LCI · N43B20. Each guide still has its own applicability checks.
BMWAll steps released
BMW / E91 LCI / 320i / N43B20
E91 front wiper-blade replacement
A complete novice journey for putting the E91 wipers in service position, replacing both front blades without striking the glass, and validating sweep and clearance.
Open guide →BMWAll steps released
BMW / E91 LCI / 320i / N43B20
E91 heated mirror-glass replacement
A careful low-risk guide to removing one exterior mirror glass, transferring the heater connections, locking the replacement into the carrier and testing adjustment and heat-related wiring.
Open guide →BMWAll steps released
BMW / E91 LCI / 320i / N43B20
BMW VIN, owner's guide and recall check
A complete digital journey for finding the VIN safely, opening the correct BMW operating guide, checking official recall/technical-action status and saving an evidence snapshot.
Open guide →BMWAll steps released
BMW / E91 LCI / 320i / N43B20
E91 workshop identity baseline
A novice-friendly process for separating registration data from workshop-critical chassis, engine, transmission, build and VIN evidence before ordering parts or opening a repair guide.
Open guide →BMWAll steps released
BMW / E91 LCI / 320i / N43B20
BMW fault-code and symptom baseline
A non-destructive diagnostic tutorial for recording symptoms, voltage context, control-unit fault codes and freeze-frame/live observations before any code is cleared or part is replaced.
Open guide →BMWAll steps released
BMW / E91 LCI / 320i / N43B20
E91 pre-drive safety inspection
A complete walk-around and cockpit inspection that teaches a novice how to spot visibility, tyre, fluid-leak, lighting and warning-state problems before committing the car to a road test.
Open guide →BMWAll steps released
BMW / E91 LCI / 320i / N43B20
Post-repair evidence and recheck pack
A complete learning journey for photographing disturbed areas, reconciling tools and fasteners, checking leaks and functions, and scheduling the first re-inspection after a DIY repair.
Open guide →BMWAll steps released
BMW / E91 LCI / 320i / N43B20
E91 cabin microfilter replacement
Complete E91 cabin-microfilter replacement with current MANN fitment evidence, preparation inventory and post-install airflow checks.
Open guide →