Car Model Guide/ Issues/ EGR cooler leak

EGR cooler leak

Attaches to egr-cooler at component level · Emissions · carried by 54 variants across 18 chassis

Overview

EGR cooler leak is a occasional fault recorded against egr-cooler at component level, typically from 120–250k km. It shows up as coolant loss with no visible external leak, white smoke, sweet smell. Where it's documented, the repair runs €400–€1,000 (cooler replacement at an independent, costs dated 2026-07), and it can be partly checked before you buy. 54 variants across 18 chassis in this database inherit it.

€400 – €1,000
cooler replacement at an independent · costs dated
Likelihoodoccasional
Typical onset120–250k km
Detectablepartially
Walk awayno
Evidencemanufacturer

What happens

Symptom. Coolant loss with no visible external leak, white smoke, sweet smell.

Cause. The EGR cooler cracks internally and leaks coolant into the intake. BMW recalled affected diesels over a fire risk from glycol deposits igniting.

Sources. EU-wide recall covering N47 and N57 EGR coolers

How to check it

Paperwork

Check coolant level and look for unexplained top-ups in the service history. Verify the recall was carried out. It's free and searchable by VIN.

On these cars the folder is most of the value.

EmissionsoccasionalPartly detectableevidence: manufacturer120250k km

Every variant that carries this

VariantChassisBodyYearsRiskGood buyCost as % of good buy
316d N47E90sedan2009–2011R5€4,20017%
316d N47E91wagon2009–2011R5€4,45016%
318d N47E90sedan2007–2011R5€4,10017%
318d N47E91wagon2007–2011R5€4,35016%
320d N47E90sedan2007–2011R5€4,40016%
320d N47E91wagon2007–2012R5€4,65015%
320d N47E92coupe2007–2013R5€5,05014%
320d N47E93convertible2007–2013R5€4,95014%
325d N57E90sedan2010–2011R3€7,20010%
325d N57E91wagon2010–2012R3€7,6509%
325d N57E92coupe2010–2013R3€8,3008%
330d N57E90sedan2008–2011R3€8,5008%
330d N57E91wagon2008–2012R3€9,0508%
330d N57E92coupe2008–2013R3€9,0008%
330d N57E93convertible2008–2013R3€8,7508%
2.0 TDI CJCAB8sedan2008–2015R3€5,20013%
2.0 TDI CJCAB8 Avantwagon2008–2016R3€5,50013%
3.0 TDI CCWAB8sedan2008–2015R4€7,5009%
3.0 TDI CCWAB8 Avantwagon2008–2016R4€7,9009%
C 220 CDI OM651W204sedan2009–2014R3€5,70012%
C 220 CDI OM651S204wagon2009–2014R3€6,00012%
C 320 CDI OM642W204sedan2007–2011R3€6,60011%
C 320 CDI OM642S204wagon2008–2011R3€6,95010%
1.6 TDI CAYCMk6hatchback2009–2013R3€5,35013%
116d N47E87hatchback2009–2011R4€4,05017%
116d N47E81hatchback2009–2011R4€3,60019%
118d N47E87hatchback2007–2011R4€4,60015%
118d N47E81hatchback2007–2012R4€4,10017%
118d N47E82coupe2007–2013R4€4,70015%
118d N47E88convertible2008–2013R4€4,95014%
120d N47E87hatchback2007–2011R4€5,15014%
120d N47E81hatchback2007–2012R4€4,60015%
120d N47E82coupe2007–2013R4€5,25013%
120d N47E88convertible2008–2013R4€5,55013%
123d N47SE87hatchback2007–2011R4€6,45011%
123d N47SE81hatchback2007–2012R4€5,75012%
123d N47SE82coupe2007–2013R4€6,65011%
123d N47SE88convertible2008–2013R4€6,95010%
2.0 TDI BKD8Phatchback2003–2008R3€3,30021%
2.0 TDI BKD8PAhatchback2004–2008R3€3,40021%
2.0 TDI CBAB8Phatchback2008–2013R4€4,70015%
2.0 TDI CBAB8PAhatchback2008–2013R4€4,80015%
2.0 TDI CBAB8P7convertible2008–2013R4€4,95014%
1.6 TDI CAYC8Phatchback2009–2013R3€4,15017%
1.6 TDI CAYC8PAhatchback2009–2013R3€4,25016%
1.6 TDI CAYC8P7convertible2009–2013R3€4,40016%
E 220 CDI OM651W212sedan2009–2016R3€6,30011%
E 220 CDI OM651S212wagon2009–2016R3€6,65011%
E 200 CDI OM651W212sedan2010–2016R3€5,50013%
E 200 CDI OM651S212wagon2010–2016R3€5,80012%
E 250 CDI OM651W212sedan2009–2016R3€7,30010%
E 250 CDI OM651S212wagon2009–2016R3€7,7009%
E 350 CDI OM642W212sedan2009–2016R3€8,7508%
E 350 CDI OM642S212wagon2009–2016R3€9,2008%

The last column is the point. The same repair is an inconvenience on one variant and a reason to scrap the car on another. A failure costing a quarter of the vehicle's value changes the purchase decision regardless of how rare it is.