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N55 ignition coils (all six): what owners actually paid
N55 (3.0L turbo 6-cyl)
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Fair-price range (from sourced prices)
How this is derived: the middle 50% (25th–75th percentile) of the USD prices in the table below for that shop type, using full-job totals only. Labor-only, customer-supplied-parts, warranty cost-share, bundled-extra-work and non-USD prices are shown but excluded. A range is only published with at least 3 usable prices. Scope differs between quotes, so read the notes.
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Symptoms
- Flashing check-engine light and a misfire you can feel, often under load or on cold starts
- Misfire fault codes for one cylinder (BMW codes 29CD–29D2, OBD P0301–P0306)
- Rough or shaky idle
- Engine power reduced message after a misfire
- The misfire follows the coil when it is swapped to another cylinder
Which cars are affected
2011–2016 F30 335i, F32 435i, F10 535i, E90/E92 335i (2011+), F25 X3 35i, F15 X5 35i and other N55 cars. Priced here for the F30 335i.
F30 · 3 Series 2012–2019 F32 · 4 Series 2014–2020 E90 · 3 Series 2006–2013 F10 · 5 Series 2011–2016 F25 · X3 2011–2017 F15 · X5 2014–2018
Price is for all six coils, which is how most shops and dealers do it once one has failed. The current genuine coil is 12135A06753 (it replaced 12138657273; older Bosch and Delphi numbers are superseded too). Spark plugs are often replaced at the same visit and are not included here. Don't mix coil brands on one engine.
→ Genuine coil 12135A06753, replaces 12138657273 (BMW Parts Deal)
→ Eldor OEM coil 12138657273, superseded Bosch/Delphi numbers (OEM Bimmer Parts)
Service bulletins
- SIB 12 24 05 Ignition coils misfire Ignition coils misfire on BMW E90/E92/E93 models (2007–2010); BMW explains the cause and the approved repair. Service bulletin · Nov 2010
BMW service bulletins and warranty extensions filed with NHTSA. A bulletin isn't a recall and doesn't mean your car has the problem. All service bulletins →
Sourced price points (0)
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Parts cross-reference
Genuine BMW part numbers cited in our parts-price sources for this job, checked against a public BMW parts catalog on 2026-10-17. "Supersedes" lists older numbers this part replaced. Confirm fitment for your VIN before ordering; numbers can differ by production date and drivetrain.
| BMW part number | Part | Supersedes | Search it at |
|---|---|---|---|
| 12 13 5 A06 753 12135A06753 | Ignition Coil | 12 13 8 657 273 | ECS Tuning · Turner · Pelican · FCP Euro |
| 12 13 8 657 273 12138657273 | Ignition Coil | none listed Now replaced by 12 13 5 A06 753 | ECS Tuning · Turner · Pelican · FCP Euro |
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Before you pay: check your VIN for recalls
Some failures are covered by a safety recall or a warranty extension. Our free recall check lists NHTSA recalls for your car's model and year.
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