BMWReady to use
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.
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REPAIR GUIDES
38 guides
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BMWReady to use
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 →BMWReady to use
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 →BMWReady to use
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 →BMWReady to use
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 →BMWReady to use
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 →BMWReady to use
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 →BMWReady to use
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 →BMWReady to use
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 →BMW3/11 steps ready
BMW / E91 LCI / 320i / N43B20
N43B20 engine replacement
Source-backed N43B20 engine replacement workflow with readiness gates, dependency mapping and workshop progress tracking.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
N43 engine air-filter replacement
N43 air-filter evidence pack covering competing exact-application records and the need to identify the installed air-box before the sequence can be released.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
N43 spark-plug replacement
N43-specific angled spark-plug/tool evidence plus an E91 source guide, held until the exact plug, torque and access sequence are reconciled.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
N43 ignition-coil diagnosis and replacement
A diagnosis-first N43 ignition-coil research pack that keeps coil swapping, fault evidence and part fitment separate.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 battery replacement and registration
Battery type, safe isolation, physical replacement and BMW registration/coding decision mapped as one end-to-end research journey.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
N43 alternator drive-belt replacement
Historical N43 belt sequence and tensioner/tool relationship mapped pending current belt fitment, routing and technical review.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 front brake-pad wear-sensor replacement
Front wear-sensor routing, connector and CBS implications mapped separately from the pad job.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 rear brake-pad wear-sensor replacement
Rear wear-sensor source map keeping physical routing and CBS reset as distinct evidence gates.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 front anti-roll-bar link replacement
Front link fitment, counter-hold and paired-side validation mapped pending exact fastener data.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 rear anti-roll-bar link replacement
Rear link source map separated from the front procedure so applicability and fasteners can be reviewed independently.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
N43 coolant-pump replacement
Coolant-pump dependency, refill, vent and leak-check research pack for the N43 pilot.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
N43 coolant-thermostat replacement
Cold-engine safety, coolant handling, thermostat replacement and leak-check dependencies mapped without publishing historical values as current.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
N43 cooling-system fill, vent and leak check
A dedicated N43 post-cooling-work validation pack, separated from pump or thermostat replacement so the evidence can be reviewed independently.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
N43 timing-chain replacement
A multi-stage N43 timing-chain evidence map covering special tools, rails, tensioning, timing verification and post-repair validation.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
N43 direct-injection injector replacement
High-pressure fuel, extraction, PTFE sealing, decoupling element and injector-adjustment dependencies mapped but deliberately blocked from execution.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 front brake-pad replacement
E91 front pad source pack held until brake option, parts, fasteners, wheel torque and pedal/road validation are authoritative.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 rear brake-pad replacement
Rear-pad procedure source pack with parking-brake and wear-sensor dependencies visible but unreleased.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 front brake-disc and pad replacement
Front disc/pad research journey covering paired replacement, hub preparation, runout risks and safety validation.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 rear brake-disc and pad replacement
Rear disc/pad source pack with the drum-in-hat parking-brake relationship held as a critical release dependency.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 rear shock-absorber replacement
A 56-step E91 source guide distilled into a blocked research map for support, paired replacement and loaded-position tightening review.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 front suspension-strut replacement
Front-strut removal, spring compression and alignment dependencies mapped with a hard workshop-release gate.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 rear coil-spring replacement
Rear spring, pad orientation and controlled arm-support dependencies mapped without releasing stored-energy work from one specialist source.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 front lower-control-arm replacement
Control-arm, ball-joint, bushing preload and alignment research journey.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 track-rod-end replacement
Track-rod measurement, taper separation, boot protection and mandatory alignment dependencies mapped.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 front wheel-bearing replacement
Hub/bearing, ABS relationship and safety-critical fastener evidence map.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 front ABS wheel-speed-sensor diagnosis and replacement
Diagnosis-first ABS sensor, wiring, encoder-ring and fault-validation research journey.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 rear upper-control-arm replacement
Rear arm, support, bushing preload and alignment dependencies mapped.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 front strut-mount replacement
Front top-mount and bearing research pack tied to the full spring/strut stored-energy workflow.
Open guide →BMW0/5 steps ready
BMW / E91 LCI / 320i / N43B20
E91 rear shock top-mount replacement
Rear top-mount access, stack orientation and paired shock inspection mapped as a dedicated research pack.
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